Caldwell County, TX — Planting Guide
Your June game plan for Caldwell County, Texas
Your garden in Caldwell County, Texas is working on a schedule, even when you're not. Here's where you should be this June.
-
It's harvest week for basil, cucumber, and green beans
The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.
Looking ahead to July
- First harvests: basil, peppers, and thai basil
Caldwell County is in USDA Zone 9a. The average last spring frost is February 27 and the first fall frost is December 1, giving you a growing season of approximately 278 days.
At an elevation of 3,482 ft, Caldwell County receives approximately 60.8 in of rainfall annually. Summer highs average 90°F with winter lows around 40°F. The predominant soil type is Clay.
Based on 31 years of NOAA climate station data, the last frost date here varies by 55 days year to year — ranging from January 26 in warm years to March 22 in cold years. The growing season is trending longer by about 4.16 days per decade. Caldwell County scores 32/100 (Challenging) on the Microclimate Index.
🌡️ Zone
9a (20°F to 25°F min)
❄️ Last Frost
February 27
🍂 First Frost
December 1
📅 Growing Season
278 days
⛰️ Elevation
3,482 ft
🌧️ Annual Rainfall
60.8 in
Monthly Watering Calendar for Caldwell County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
For new gardeners: Plants need different amounts of water at different growth stages — heavy at flowering and fruit-set, lighter at establishment. Caldwell County's 61" annual rainfall is your starting math; the timing tells you when natural rain will cover you and when you need to step in.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.4 in | 4 days | — | None |
| Feb | 2.1 in | 5 days | 2.2 in | High |
| Mar | 4.1 in | 5 days | 0.2 in | Low |
| Apr | 6 in | 8 days | — | Low |
| May | 9.9 in | 10 days | — | Low |
| Jun | 9.2 in | 8 days | — | Low |
| Jul | 7.5 in | 9 days | — | Low |
| Aug | 7.9 in | 6 days | — | Low |
| Sep | 5.6 in | 6 days | — | Low |
| Oct | 3.8 in | 5 days | 0.5 in | Low |
| Nov | 1.8 in | 4 days | 2.5 in | High |
| Dec | 1.5 in | 4 days | — | None |
Annual total: 60.8 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.
Caldwell County Soil Profile
Soil Type
Clay
Soil pH
6.8-8.1
Drainage
Well Drained
Frost Risk Probability
Based on 31 years of NOAA weather station data from 3 stations
Beginners: Plant frost-sensitive crops (tomatoes, peppers, squash) after the "Safe" date on the left. Harvest or cover them before the "Protect by" date on the right. Hardy crops (lettuce, peas, kale) can go in the yellow transition zones.
How to read this table: "Conservative" means you're safe from frost 9 out of 10 years — best for beginners and frost-sensitive crops. "Average year" is the typical date. "Aggressive" means only 1 in 10 years is that warm — experienced gardeners with frost protection can try these dates.
| Planting Strategy | Last Spring Frost | First Fall Frost | Frost-Free Days |
|---|---|---|---|
| Conservative (safest) | Mar 22 | Dec 13 | 266 days |
| Cautious | Mar 7 | Dec 7 | 275 days |
| Average year | Feb 27 | Dec 1 | 277 days |
| Optimistic | Feb 13 | Nov 19 | 279 days |
| Aggressive (risky) | Jan 26 | Nov 11 | 289 days |
Not very — frost dates can vary by ±55 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Yes — growing seasons are getting longer here (about 4.2 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Caldwell County has challenging growing conditions. Season extension and careful variety selection are essential.
Local Gardening Help in Caldwell County
Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Caldwell County's climate and soil.
County Extension Office
Caldwell County Texas A&M AgriLife Extension Extension Office
Phone: 979-845-7800
Visit Extension Office Website →
Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.
Master Gardener Program
Free gardening help from trained volunteers
Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.
Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.
Soil Testing
Available through your extension office
Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.
Services Available in Caldwell County
Finding local nurseries & garden centers in Caldwell County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Caldwell County's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.
How to Find Them
Search for "nurseries near Caldwell County TX" or "garden center Caldwell County" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.
Community gardens & gardening groups
Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Caldwell County TX" or check your extension office and local parks department. Facebook groups like "Caldwell County Gardeners" or "Texas Gardening" are also excellent for local advice and plant swaps.
What to Plant After Your Harvest
After your first crops finish, use the remaining frost-free days to grow a second round.
Show 6 more succession options
Sunlight & Day Length in Caldwell County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Why it matters: Onions are a great example of why day length matters. They "bulb up" only when daylight hits a specific number of hours — plant the wrong variety (short-day in the north, long-day in the south) and you'll get tiny bulbs no matter how well you grow them. Caldwell County's latitude determines which onion varieties succeed.
Longest Day
13.9 hours
Summer solstice daylight
Shortest Day
10.1 hours
Winter solstice daylight
Peak Sun Hours
9.7 hr/day peak (summer)
Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.
Onion tip: Your shorter days favor short-day onion varieties like Vidalia, Texas 1015, and Red Creole. Plant in fall for best results.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 10.3 hr | 5.5 hr | Short day |
| February | 11 hr | 6.5 hr | Short day |
| March | 11.8 hr | 7.1 hr | Short day |
| April | 12.7 hr | 8.2 hr | Neutral |
| May | 13.5 hr | 8.5 hr | Neutral |
| June | 13.9 hr | 9.4 hr | Neutral |
| July | 13.7 hr | 9.7 hr | Neutral |
| August | 13.1 hr | 9.4 hr | Neutral |
| September | 12.2 hr | 8.6 hr | Neutral |
| October | 11.3 hr | 7.4 hr | Short day |
| November | 10.5 hr | 6 hr | Short day |
| December | 10.1 hr | 5.5 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Caldwell County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
For new gardeners: Cold soil = stunted starts. A bean seed planted in 55°F soil rots before it germinates. Same seed in 65°F soil sprouts in 5 days. Caldwell County's soil temperature pattern shows you the difference month to month.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from May through Oct.
Best Month to Compost
May
Microbial activity peaks when soil is warm.
Active Composting
8 months
Nearly year-round composting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 36°F | 44°F | ❄️ Dormant | ~36 weeks |
| Feb | 38°F | 44°F | ❄️ Dormant | ~36 weeks |
| Mar | 46°F | 47°F | 🐢 Slow | ~24 weeks |
| Apr | 54°F | 55°F | ♻️ Active | ~14 weeks |
| May | 66°F | 62°F | 🔥 Peak | ~8 weeks |
| Jun | 74°F | 70°F | 🔥 Peak | ~8 weeks |
| Jul | 82°F | 78°F | 🔥 Peak | ~8 weeks |
| Aug | 85°F | 79°F | 🔥 Peak | ~8 weeks |
| Sep | 77°F | 77°F | 🔥 Peak | ~8 weeks |
| Oct | 66°F | 70°F | 🔥 Peak | ~8 weeks |
| Nov | 51°F | 59°F | ♻️ Active | ~14 weeks |
| Dec | 42°F | 51°F | 🐢 Slow | ~24 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Caldwell County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
What this means for you: In Caldwell County's climate, pest pressure shapes which crops are easy and which are heartbreak. Tomatoes are easy in dry mountain air, hard in humid coast — same plant, completely different gardening experience.
Insect Pest Pressure
High — expect multiple pest generations. Preventative measures essential.
Disease Risk
High fungal/bacterial risk. Space plants for airflow, water at soil level.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | High | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| Squash vine borers | High | May, Jun, Jul |
| Stink bugs | High | Apr, May, Jun, Jul, Aug, Sep, Oct |
| Whiteflies | Moderate | May, Jun, Jul, Aug, Sep, Oct |
| Spider mites | Moderate | Jun, Jul, Aug, Sep |
| Fire ants | Moderate | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
Organic pest management tips
- Install physical barriers: floating row covers, copper tape for slugs, mesh netting
- Apply Bt (Bacillus thuringiensis) for caterpillar control — safe for beneficial insects
- Use kaolin clay spray to deter a wide range of insects on fruiting crops
- Release beneficial insects: ladybugs for aphids, parasitic wasps for caterpillars
- Apply neem oil weekly during high-pressure months
- Mulch heavily (3-4 inches) to reduce soil-borne disease splash
Cover Crops for Caldwell County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
What this means for you: A fall-planted cover crop in Caldwell County is the closest thing to free soil amendment. Plant cereal rye or hairy vetch after harvest; chop it down before it flowers in spring; the soil it leaves behind out-grows any store-bought compost.
Spring Cover Crops (4 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Mar 11 | Sep 29 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Cowpeas (southern peas) | Mar 3 | Oct 6 | ✓ Yes | Excellent nitrogen fixer for warm climates, edible |
| Sorghum-sudan grass | Mar 8 | Sep 29 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Feb 1 | Sep 22 | ✓ Yes | Living mulch, fixes nitrogen, permanent ground cover |
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Sunflowers | Mar 23 | Nov 10 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (7 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Oct 2 | Feb 6 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Sep 20 | Feb 6 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Oct 11 | Feb 13 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Sep 10 | Feb 6 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Nov 3 | Feb 13 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Sep 2 | Feb 13 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Sep 2 | Feb 6 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Caldwell County
Why it matters: Wind is the silent water thief. Every breeze pulls moisture from leaves and soil. Caldwell County's 13.3 mph average is one piece of the watering math: rainfall + irrigation must exceed evaporation + transpiration, and wind boosts both losses.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 17 mph Summer: 13 mph
Fall: 14 mph Winter: 18 mph
Prevailing wind: S. Windy area — plant a windbreak hedge on the S side of your garden.
Windbreak Benefit
9.2/10
Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.
Frost Pocket Risk
Low
Relatively flat terrain (248 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Caldwell County
How much water you can collect, when to collect it, and what size system you need for your garden.
The practical takeaway: Building a rainwater system is mostly about doing the math: roof area × annual rainfall × 0.6 = gallons you could realistically capture. For Caldwell County, that's your 61" times your roof.
Annual Collection
30,302 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
6 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 1,500 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
May, Jun, Jul, Aug
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Jan, Nov, Dec
Dry months when you'll rely on stored water — size your storage for this gap.
Rainwater collection tips for your area
- Your county receives approximately 60.8 inches of rain per year
- A 1,000 sq ft roof can collect roughly 30,302 gallons annually
- Rainwater harvesting is fully legal in your state
- Your area gets ample rainfall — even small barrels make a big difference
- Consider a rain garden to handle overflow during heavy rainfall months
Soil & Growing Conditions in Caldwell County
Soil Type
Clay
Soil pH 6.8–8.1 · Moderately Well Drained drainage
Raised beds strongly recommended here — native soil drainage or texture limits in-ground options.
Watering Needs
Drought stress: 5.5/10
Moderate drought pressure. Drip irrigation and mulching are highly recommended to maintain soil moisture through summer.
Season Tips
278-day frost-free season
Your long season supports multiple successions and heat-demanding crops like melons, sweet potatoes, and peppers. Plant warm-season crops as soon as soil warms.
Your Free Printable Garden Planner
Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.
Recommended for Your Garden
Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.
Cedar raised bed kit — ideal for poor soil, clay, or small-space gardening.
Improve drainage and aeration in heavy clay soils with horticultural perlite.
🥬 Vegetables to Grow in Caldwell County
114 vegetables that grow well in Zone 9a with planting dates for Caldwell County.
Show all 114 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Jan 30 | Feb 27 | Mar 6 | — | May 29 – Jul 3 | 80–100 |
| Amaranth | Jan 16 | Feb 27 | Mar 6 | — | Jun 5 – Jul 24 | 90–120 |
| Artichoke | — | — | Mar 13 | — | Jul 17 – Sep 25 | 120–180 |
| Arugula | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – Jun 5 | 30–50 |
| Asparagus | — | — | Mar 13 | — | — | 730–1095 |
| Beets | — | Feb 6 | — | Oct 6 | Apr 3 – May 1 | 50–70 |
| Belgian Endive | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Jun 19 – Aug 14 | 110–150 |
| Bitter Melon | Jan 16 | Feb 27 | Mar 6 | — | May 8 – Jun 19 | 60–90 |
| Black Beans | — | Mar 6 | — | — | Jun 5 – Jul 24 | 90–120 |
| Bok Choy | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 10 – May 15 | 40–60 |
| Broccoli | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 1 – Jun 12 | 60–90 |
| Broccoli Rabe | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 10 – May 15 | 40–60 |
| Brussels Sprouts | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 29 – Jul 24 | 90–130 |
| Butternut Squash | Jan 30 | Feb 27 | Mar 6 | — | Jun 5 – Jul 10 | 85–110 |
| Cabbage | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 1 – Jun 26 | 60–100 |
| Calabash | Jan 16 | Feb 27 | Mar 6 | — | May 29 – Jul 24 | 80–120 |
| Cardoon | — | — | Mar 13 | — | Jul 17 – Aug 28 | 120–150 |
| Carrots | — | Feb 6 | — | Oct 6 | Apr 10 – May 15 | 60–80 |
| Cauliflower | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – Jun 26 | 55–100 |
| Celeriac | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Jun 12 – Jul 17 | 100–120 |
| Celery | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 22 – Jul 17 | 80–120 |
| Celtuce | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 1 – Jun 12 | 60–90 |
| Chard | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – Jun 12 | 50–60 |
| Chayote | Jan 16 | Feb 27 | Mar 6 | — | Jul 10 – Sep 18 | 120–180 |
| Chickpeas | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 22 – Jul 3 | 80–110 |
| Chicory | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 1 – Jun 12 | 60–85 |
| Chinese Cabbage | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – May 22 | 50–70 |
| Christmas Lima Beans | Jan 16 | Feb 27 | Mar 6 | — | May 29 – Jul 3 | 80–100 |
| Collard Greens | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – Jun 26 | 55–75 |
| Corn | — | Mar 6 | — | — | May 8 – Jul 3 | 60–100 |
| Cowpeas | — | Mar 6 | — | — | May 8 – Jun 19 | 60–90 |
| Cress | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Mar 13 – Apr 3 | 14–21 |
| Crookneck Squash | Jan 30 | Feb 27 | Mar 6 | — | Apr 24 – May 22 | 45–60 |
| Crosne | — | Feb 6 | — | Oct 6 | Jul 10 – Sep 11 | 150–200 |
| Cucumber | Jan 30 | Feb 27 | Mar 6 | — | May 1 – Jun 26 | 50–70 |
| Daikon | — | Feb 6 | — | Oct 6 | Apr 3 – May 1 | 50–70 |
| Delicata Squash | Jan 30 | Feb 27 | Mar 6 | — | May 29 – Jul 3 | 80–100 |
| Edamame | — | Mar 6 | — | — | May 22 – Jul 3 | 75–100 |
| Eggplant | Jan 16 | Feb 27 | Mar 6 | — | May 15 – Jul 17 | 65–85 |
| Endive | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 17 – May 22 | 45–65 |
| Escarole | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – May 22 | 50–70 |
| Fava Beans | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 15 – Jun 26 | 75–100 |
| Fennel | Jan 16 | Feb 27 | Mar 6 | — | May 8 – Jun 19 | 60–90 |
| Garlic | — | — | — | Oct 20 | Jan 19 – Jul 6 | 90–240 |
| Ginger | Jan 16 | Feb 27 | Mar 6 | — | Nov 6 – Jan 1 | 240–300 |
| Green Beans | — | Mar 6 | — | — | May 1 – Jun 26 | 50–65 |
| Horseradish | — | — | Mar 13 | — | Jul 17 – Sep 25 | 120–180 |
| Hot Peppers | Jan 16 | Feb 27 | Mar 6 | — | May 15 – Aug 21 | 70–120 |
| Hubbard Squash | Jan 30 | Feb 27 | Mar 6 | — | Jun 19 – Jul 24 | 100–120 |
| Jicama | Jan 16 | Feb 27 | Mar 6 | — | Jul 10 – Sep 18 | 120–180 |
| Kabocha | Jan 30 | Feb 27 | Mar 6 | — | Jun 5 – Jul 3 | 85–100 |
| Kai Lan | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 17 – May 15 | 45–60 |
| Kale | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – Jun 19 | 50–70 |
| Kidney Beans | — | Mar 6 | — | — | Jun 5 – Jul 10 | 85–110 |
| Kohlrabi | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 17 – May 22 | 45–65 |
| Komatsuna | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – May 8 | 35–50 |
| Leeks | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 29 – Aug 14 | 90–150 |
| Lentils | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 22 – Jul 3 | 80–110 |
| Lettuce | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – Jun 12 | 30–60 |
| Lima Beans | — | Mar 6 | — | — | May 8 – Jun 19 | 60–90 |
| Loofah | Jan 16 | Feb 27 | Mar 6 | — | Jun 19 – Aug 21 | 100–150 |
| Luffa | Jan 16 | Feb 27 | Mar 6 | — | Jun 5 – Aug 21 | 90–150 |
| Mache | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 10 – May 15 | 40–60 |
| Malabar Spinach | Jan 16 | Feb 27 | Mar 6 | — | May 1 – May 29 | 55–70 |
| Melon | Jan 30 | Feb 27 | Mar 6 | — | May 15 – Jul 3 | 70–100 |
| Microgreens | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Mar 6 – Apr 3 | 7–21 |
| Mitsuba | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 17 – Jun 12 | 50–70 |
| Mizuna | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – May 1 | 30–45 |
| Mustard Greens | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – Jun 5 | 30–50 |
| Napa Cabbage | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – May 29 | 55–75 |
| New Zealand Spinach | Jan 16 | Feb 27 | Mar 6 | — | May 1 – May 29 | 55–70 |
| Okra | Jan 16 | Feb 27 | Mar 6 | — | May 1 – Jun 26 | 50–65 |
| Onion | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 29 – Jul 17 | 90–120 |
| Pac Choi | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 10 – May 8 | 40–55 |
| Parsnip | — | Feb 6 | — | Oct 6 | May 22 – Jul 3 | 100–130 |
| Patty Pan Squash | Jan 30 | Feb 27 | Mar 6 | — | Apr 24 – May 22 | 45–60 |
| Peas | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – Jun 19 | 55–70 |
| Peppers | Jan 16 | Feb 27 | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Pole Beans | Jan 16 | Feb 27 | Mar 6 | — | May 1 – Jun 26 | 55–70 |
| Potatoes | Jan 16 | Feb 27 | Mar 6 | — | May 15 – Jul 24 | 70–120 |
| Pumpkin | Jan 30 | Feb 27 | Mar 6 | — | Jun 5 – Jul 24 | 85–120 |
| Purslane | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 10 – May 15 | 40–60 |
| Radicchio | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 1 – Jun 5 | 60–80 |
| Radish | — | Feb 6 | — | Oct 6 | Mar 6 – Mar 27 | 22–35 |
| Romanesco | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 15 – Jun 26 | 75–100 |
| Rutabaga | — | Feb 6 | — | Oct 6 | May 1 – Jun 5 | 80–100 |
| Salsify | — | Feb 6 | — | Oct 6 | May 22 – Jul 3 | 100–130 |
| Savoy Cabbage | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 8 – Jul 3 | 70–110 |
| Scallions | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – May 22 | 50–70 |
| Scarlet Runner Beans | Jan 16 | Feb 27 | Mar 6 | — | May 8 – Jun 12 | 60–80 |
| Shallot | Jan 30 | Feb 6 | Feb 27 | Oct 6 | May 29 – Jul 17 | 90–120 |
| Shiso | Jan 16 | Mar 6 | Mar 6 | — | May 1 – Jun 26 | 50–70 |
| Snap Peas | Jan 16 | Feb 27 | Mar 6 | — | May 1 – Jun 26 | 55–70 |
| Snow Peas | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 24 – Jun 19 | 50–65 |
| Soybeans | — | Mar 6 | — | — | May 29 – Jul 24 | 80–120 |
| Spaghetti Squash | Jan 30 | Feb 27 | Mar 6 | — | Jun 5 – Jul 3 | 85–100 |
| Spinach | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – Jun 5 | 35–50 |
| Squash (Summer) | Jan 30 | Feb 27 | Mar 6 | — | Apr 24 – Jun 26 | 45–65 |
| Squash (Winter) | Jan 30 | Feb 27 | Mar 6 | — | May 29 – Jul 24 | 80–120 |
| Sunchoke | — | — | Mar 13 | — | Jul 3 – Aug 28 | 110–150 |
| Sweet Corn | — | Mar 6 | — | — | May 8 – Jun 19 | 60–90 |
| Sweet Potatoes | Jan 16 | Feb 27 | Mar 6 | — | Jun 5 – Jul 24 | 90–120 |
| Tatsoi | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 3 – May 8 | 35–50 |
| Tomatillo | Jan 16 | Feb 27 | Mar 6 | — | May 8 – Jul 17 | 60–85 |
| Tomatoes | Jan 16 | Feb 27 | Mar 6 | — | May 8 – Jul 17 | 60–85 |
| Turmeric | Jan 16 | Feb 27 | Mar 6 | — | Nov 6 – Jan 1 | 240–300 |
| Turnip | — | Feb 6 | — | Oct 6 | Mar 20 – Apr 24 | 40–60 |
| Watercress | Jan 30 | Feb 6 | Feb 27 | Oct 6 | Apr 10 – May 15 | 40–60 |
| Watermelon | Jan 30 | Feb 27 | Mar 6 | — | May 15 – Jul 3 | 70–100 |
| Wax Beans | — | Mar 6 | — | — | May 1 – Jun 26 | 50–65 |
| Winter Melon | Jan 16 | Feb 27 | Mar 6 | — | Jun 5 – Jul 24 | 90–120 |
| Yam | Jan 16 | Feb 27 | Mar 6 | — | Sep 4 – Jan 1 | 180–330 |
| Yard Long Beans | Jan 16 | Feb 27 | Mar 6 | — | May 1 – Jun 12 | 55–80 |
| Zucchini | Jan 30 | Feb 27 | Mar 6 | — | Apr 24 – Jun 19 | 45–60 |
🍓 Fruits to Grow in Caldwell County
24 fruits that grow well in Zone 9a with planting dates for Caldwell County.
Show all 24 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Mar 13 | — | Jun 12 – Sep 25 | 90–180 |
| Blackberries | — | — | Mar 13 | — | — | 365–730 |
| Boysenberries | — | — | Mar 13 | — | — | 365–730 |
| Cantaloupe | — | — | Mar 13 | — | May 22 – Jun 26 | 70–90 |
| Che Fruit | — | — | Mar 13 | — | — | 1095–1825 |
| Dragon Fruit | — | — | Mar 13 | — | — | 365–730 |
| Elderberries | — | — | Mar 13 | — | — | 730–1095 |
| Figs | — | — | Mar 13 | — | — | 730–1825 |
| Goji Berries | — | — | Mar 13 | — | — | 730–1095 |
| Grapes | — | — | Mar 13 | — | — | 730–1095 |
| Ground Cherry | — | — | Mar 13 | — | May 22 – Jul 17 | 65–80 |
| Guava | — | — | Mar 13 | — | — | 365–730 |
| Honeydew | — | — | Mar 13 | — | Jun 5 – Jul 17 | 80–110 |
| Kiwi | — | — | Mar 13 | — | — | 1095–1825 |
| Loquat | — | — | Mar 13 | — | — | 730–1825 |
| Mulberries | — | — | Mar 13 | — | — | 730–1825 |
| Passion Fruit | — | — | Mar 13 | — | — | 365–545 |
| Pawpaw | — | — | Mar 13 | — | — | 1095–2555 |
| Persimmon | — | — | Mar 13 | — | — | 1095–2555 |
| Pomegranate | — | — | Mar 13 | — | — | 730–1095 |
| Quince | — | — | Mar 13 | — | — | 1095–1825 |
| Raspberries | — | — | Mar 13 | — | — | 365–730 |
| Serviceberries | — | — | Mar 13 | — | — | 730–1095 |
| Strawberries | — | — | Mar 13 | — | Jun 12 – Jan 8 | 90–365 |
🌿 Herbs to Grow in Caldwell County
37 herbs that grow well in Zone 9a with planting dates for Caldwell County.
Show all 37 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Anise | Jan 30 | Feb 6 | Feb 20 | Oct 6 | May 22 – Aug 7 | 90–120 |
| Basil | Jan 16 | Mar 6 | Mar 6 | — | May 1 – Jul 3 | 50–75 |
| Bee Balm | — | — | Mar 6 | — | Jun 5 – Aug 21 | 90–120 |
| Borage | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 17 – Jun 5 | 50–60 |
| Caraway | Jan 30 | Feb 6 | Feb 20 | Oct 6 | — | 365–450 |
| Catnip | — | — | Mar 6 | — | May 8 – Jul 10 | 60–80 |
| Chamomile | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 24 – Jul 3 | 60–90 |
| Chervil | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 3 – Jun 5 | 40–60 |
| Chives | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Cilantro | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 3 – Jun 5 | 40–60 |
| Comfrey | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Cumin | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Jun 5 – Aug 7 | 100–120 |
| Dill | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 3 – Jun 5 | 40–60 |
| Epazote | Jan 16 | Mar 6 | Mar 6 | — | Apr 24 – Jun 19 | 45–60 |
| Fennel (herb) | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 24 – Jul 3 | 60–90 |
| Feverfew | — | — | Mar 6 | — | Jun 5 – Aug 21 | 90–120 |
| Garlic Chives | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Horehound | — | — | Mar 6 | — | May 22 – Jul 17 | 75–90 |
| Hyssop | — | — | Mar 6 | — | May 15 – Jul 17 | 70–90 |
| Lemon Balm | — | — | Mar 6 | — | May 8 – Jun 26 | 60–70 |
| Lemon Thyme | — | — | Mar 6 | — | May 15 – Jul 17 | 70–90 |
| Lemon Verbena | Jan 16 | Mar 6 | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Lemongrass | Jan 16 | Mar 6 | Mar 6 | — | May 22 – Aug 21 | 75–120 |
| Marjoram | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Mint | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Oregano | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Parsley | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 24 – Jun 26 | 60–80 |
| Rosemary | — | — | Mar 6 | — | May 29 – Oct 16 | 80–180 |
| Rue | — | — | Mar 6 | — | May 15 – Jul 17 | 70–90 |
| Sage | — | — | Mar 6 | — | May 22 – Jul 17 | 75–90 |
| Savory | — | — | Mar 6 | — | May 1 – Jun 26 | 50–70 |
| Sorrel | Jan 30 | Feb 6 | Feb 20 | Oct 6 | Apr 3 – Jun 5 | 40–60 |
| Stevia | Jan 16 | Mar 6 | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Tarragon | — | — | Mar 6 | — | May 8 – Jul 17 | 60–90 |
| Thai Basil | Jan 16 | Mar 6 | Mar 6 | — | May 1 – Jul 3 | 50–75 |
| Thyme | — | — | Mar 6 | — | May 15 – Jul 17 | 70–90 |
| Valerian | — | — | Mar 6 | — | Jul 10 – Oct 16 | 120–180 |
🌸 Flowers to Grow in Caldwell County
49 flowers that grow well in Zone 9a with planting dates for Caldwell County.
Show all 49 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Jan 16 | Feb 13 | Feb 13 | — | Apr 10 – Sep 25 | 60–75 |
| Alliums | — | — | — | Nov 3 | Dec 1 – Dec 22 | 28–42 |
| Anemones | — | — | — | Oct 6 | Oct 13 – Nov 10 | 90–120 |
| Bachelor's Button | — | Jan 2 | Jan 30 | Sep 22 | Mar 27 – Jul 17 | 60–90 |
| Begonias | Dec 19 | — | Feb 6 | — | Apr 17 – Oct 16 | 70–90 |
| Black-eyed Susan | Jan 2 | Feb 13 | Feb 13 | — | Apr 24 – Sep 11 | 60–80 |
| Bleeding Hearts | Jan 2 | — | Feb 13 | — | Apr 3 – Apr 24 | 60–90 |
| Calendula | — | Jan 2 | Jan 30 | Sep 8 | Mar 13 – Jul 17 | 50–70 |
| California Poppy | — | — | — | Sep 8 | Nov 17 – Mar 23 | 60–90 |
| Celosia | Jan 30 | Feb 13 | Feb 13 | — | Apr 17 – Oct 23 | 60–90 |
| Columbine | Jan 2 | Feb 13 | Feb 13 | — | Apr 3 – Apr 24 | 70–100 |
| Coreopsis | Jan 2 | Feb 13 | Feb 13 | — | Apr 10 – Sep 11 | 60–80 |
| Cosmos | Jan 30 | Jan 30 | Jan 30 | — | Apr 10 – Sep 25 | 60–90 |
| Daffodils | — | — | — | Nov 3 | Oct 20 – Nov 10 | 20–40 |
| Dahlias | — | Feb 27 | Feb 27 | — | May 8 – Nov 6 | 70–120 |
| Daylily | Jan 2 | — | Feb 13 | — | Apr 24 – Oct 9 | 60–90 |
| Dianthus | Jan 2 | Jan 2 | Jan 2 | — | Feb 20 – Apr 24 | 60–80 |
| Echinacea (Purple Coneflower) | Jan 2 | Feb 13 | Feb 13 | — | Apr 24 – Sep 11 | 70–90 |
| Foxglove | Jan 2 | Feb 13 | Feb 13 | — | Apr 3 – Apr 24 | 80–120 |
| Freesia | — | — | — | Oct 20 | Nov 3 – Dec 1 | 84–112 |
| Gaillardia (Blanket Flower) | Jan 16 | Feb 13 | Feb 13 | — | Apr 24 – Oct 23 | 70–100 |
| Geraniums | Dec 19 | — | Feb 6 | — | Apr 17 – Oct 16 | 70–100 |
| Gladiolus | — | Feb 27 | Feb 27 | — | May 8 – Nov 6 | 70–100 |
| Hostas | Jan 2 | — | Feb 13 | — | Apr 24 – Aug 14 | 60–90 |
| Hyacinths | — | — | — | Nov 3 | Nov 3 – Nov 24 | 14–28 |
| Hydrangeas | Jan 2 | — | Feb 13 | — | Apr 24 – Aug 14 | 90–150 |
| Impatiens | Jan 2 | — | Feb 13 | — | Apr 24 – Oct 9 | 60–75 |
| Irises | — | Division | Feb 13 | — | Apr 3 – May 8 | 60–100 |
| Larkspur | — | — | — | Sep 22 | Dec 1 – Mar 23 | 60–90 |
| Lavender | Jan 2 | — | Feb 13 | — | Apr 24 – Jul 31 | 90–120 |
| Lilies | — | Division | Feb 13 | — | Apr 24 – Jul 31 | 70–120 |
| Lobelia | Jan 2 | — | Jan 2 | — | Feb 27 – Mar 27 | 70–80 |
| Marigolds | Jan 23 | Feb 13 | Feb 13 | — | Apr 10 – Sep 11 | 50–70 |
| Nasturtium | Jan 30 | Feb 6 | Feb 6 | — | Apr 3 – Oct 2 | 55–65 |
| Pansy | Dec 19 | — | Jan 30 | Sep 8 | Mar 20 – Jun 19 | 70–90 |
| Petunia | Jan 2 | — | Feb 13 | — | Apr 24 – Sep 25 | 70–90 |
| Phlox | Jan 2 | Feb 13 | Feb 13 | — | Apr 24 – Jun 19 | 80–110 |
| Portulaca | Jan 30 | Feb 13 | Feb 13 | — | Apr 3 – Oct 9 | 50–70 |
| Ranunculus | — | — | — | Oct 6 | Oct 20 – Nov 17 | 90–120 |
| Roses | Jan 2 | — | Feb 13 | — | Apr 24 – Oct 9 | 90–180 |
| Salvia | Jan 2 | — | Feb 6 | — | Apr 17 – Oct 2 | 70–90 |
| Sedum (Stonecrop) | Jan 2 | — | Feb 13 | — | Jun 5 – Aug 14 | 60–90 |
| Snapdragon | — | Jan 2 | Jan 30 | Sep 8 | Apr 3 – Jul 31 | 70–100 |
| Sunflower | Feb 6 | Feb 6 | Feb 6 | — | May 1 – Oct 2 | 70–100 |
| Sweet Alyssum | — | Jan 2 | Jan 30 | Sep 22 | Mar 6 – Jun 19 | 45–60 |
| Sweet Pea | — | — | — | Sep 22 | Dec 1 – Jan 26 | 65–85 |
| Vinca (Annual) | Dec 19 | — | Feb 6 | — | Apr 17 – Oct 16 | 70–90 |
| Yarrow | Jan 2 | Feb 13 | Feb 13 | — | Apr 10 – Aug 28 | 60–90 |
| Zinnia | Jan 30 | Feb 6 | Feb 6 | — | Apr 17 – Oct 2 | 60–70 |
Monthly Planting Guide for Caldwell County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Caldwell County.
Frequently Asked Questions
What planting zone is Caldwell County, TX?
Caldwell County is in USDA Hardiness Zone 9a. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.
When is the last frost in Caldwell County, TX?
Based on 31 years of NOAA weather station data, the median last spring frost in Caldwell County falls around February 27. In 8 out of 10 years, last frost lands between January 26 and March 22 — a 55-day window of variability. Use March 22 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Caldwell County, TX?
The median first fall frost in Caldwell County arrives around December 1. In cold years it can arrive as early as November 11; in mild years as late as December 13. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Caldwell County?
Caldwell County has a frost-free growing season of approximately 278 days. This long season supports multiple succession plantings and warm-season crops that need extended heat, like sweet potatoes and melons. Climate records show the growing season is trending longer by about 4.16 days per decade.
What is the soil like in Caldwell County for gardening?
Caldwell County has predominantly Clay soil with a pH range of 6.8–8.1 and Moderately Well Drained drainage. The native soil conditions make raised beds a particularly good investment here — they let you control drainage and fertility independent of the ground soil.
What is grown commercially in Caldwell County?
Caldwell County has commercial agriculture that includes Cotton, Cattle, Sorghum, Wheat. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Caldwell County a good location for home gardening?
Caldwell County scores 32/100 (Challenging) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Gardening here benefits from close attention to frost timing and season extension due to the challenging microclimate factors.
Your Caldwell County Garden Planner — Free
A 22-page printable planner built for Caldwell County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
- Full seed-starting + planting schedule with timing and spacing
- Bonus: square-foot gardening guide + printable seasonal planners
Seed Saving & Storage Guide
Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.
- 200 plants, step-by-step: life cycle, pollination type, isolation
- Exact temperature + humidity ranges that keep seeds viable
- Bonus: searchable Google Sheets tracker + custom GPT assistant
Composting Guide for Homesteaders
Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.
- 14 sections on composting methods, soil science, and troubleshooting
- The 7-step hot-compost system from start to finish
- Bonus tools: troubleshooting chart, safety guide, monitoring log