Trinity County, TX — Planting Guide
June in the garden — Trinity County, Texas
Welcome to June in Zone 9a. These are the moves that will have the biggest impact on your growing season.
-
Collect basil, cucumber, and green beans at their peak
This is the payoff month. Bring a basket, bring a friend, and get into the beds.
July prep starts now
- First harvests: basil, peppers, and thai basil
Trinity County is in USDA Zone 9a. The average last spring frost is March 2 and the first fall frost is November 23, giving you a growing season of approximately 266 days.
At an elevation of 311 ft, Trinity County receives approximately 63.4 in of rainfall annually. Summer highs average 97°F with winter lows around 35°F. The predominant soil type is Sandy Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 48 days year to year — ranging from February 7 in warm years to March 26 in cold years. The growing season is trending longer by about 1.2 days per decade. Trinity County scores 52/100 (Moderate) on the Microclimate Index.
🌡️ Zone
9a (20°F to 25°F min)
❄️ Last Frost
March 2
🍂 First Frost
November 23
📅 Growing Season
266 days
⛰️ Elevation
311 ft
🌧️ Annual Rainfall
63.4 in
Monthly Watering Calendar for Trinity County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Why this matters: Over-watering kills more plants than under-watering. Trinity County's 63" annual rainfall changes the gardening playbook — humid-region gardeners often water by the calendar when they should water by the soil moisture.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.8 in | 4 days | — | None |
| Feb | 2.4 in | 4 days | 1.9 in | High |
| Mar | 3.4 in | 6 days | 0.9 in | Moderate |
| Apr | 5.9 in | 8 days | — | Low |
| May | 10.1 in | 10 days | — | Low |
| Jun | 10.8 in | 8 days | — | Low |
| Jul | 6.8 in | 8 days | — | Low |
| Aug | 8.4 in | 6 days | — | Low |
| Sep | 5.6 in | 6 days | — | Low |
| Oct | 4.4 in | 4 days | — | Low |
| Nov | 2.2 in | 4 days | 2.1 in | High |
| Dec | 1.6 in | 3 days | — | None |
Annual total: 63.4 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.
Trinity County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.7-6.7
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 26 | Dec 11 | 260 days |
| Cautious | Mar 9 | Dec 1 | 267 days |
| Average year | Mar 2 | Nov 23 | 266 days |
| Optimistic | Feb 17 | Nov 14 | 270 days |
| Aggressive (risky) | Feb 7 | Nov 2 | 268 days |
Not very — frost dates can vary by ±48 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 1.2 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Trinity County presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Trinity 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 Trinity County's climate and soil.
County Extension Office
Trinity 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 Trinity County
Finding local nurseries & garden centers in Trinity County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Trinity 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 Trinity County TX" or "garden center Trinity 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 Trinity County TX" or check your extension office and local parks department. Facebook groups like "Trinity 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 Trinity County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Quick context: You can't change the sun. Picking the right day-length-matched varieties for Trinity County matters more than any other "fix" you make — and the seed packet tells you (look for "long-day," "short-day," "day-neutral").
Longest Day
14 hours
Summer solstice daylight
Shortest Day
10 hours
Winter solstice daylight
Peak Sun Hours
9.9 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: Day-neutral onion varieties like Candy, Cabernet, and Sierra Blanca perform best in your day-length range.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 10.2 hr | 5.8 hr | Short day |
| February | 10.9 hr | 6.5 hr | Short day |
| March | 11.8 hr | 7.4 hr | Short day |
| April | 12.8 hr | 7.8 hr | Neutral |
| May | 13.6 hr | 8 hr | Neutral |
| June | 14 hr | 9.9 hr | Long day |
| July | 13.8 hr | 9.6 hr | Neutral |
| August | 13.1 hr | 9.5 hr | Neutral |
| September | 12.2 hr | 8.6 hr | Neutral |
| October | 11.2 hr | 7.3 hr | Short day |
| November | 10.4 hr | 6.2 hr | Short day |
| December | 10 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 Trinity County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
What this means for you: Soil heats slower than air in spring and cools slower in fall. That's why "warm" April air doesn't mean "plant tomatoes" — soil still trails by weeks. Trinity County's monthly soil curve makes the lag visible.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Apr through Nov.
Best Month to Compost
May
Microbial activity peaks when soil is warm.
Active Composting
10 months
Nearly year-round composting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 47°F | 53°F | 🐢 Slow | ~24 weeks |
| Feb | 49°F | 51°F | 🐢 Slow | ~24 weeks |
| Mar | 51°F | 57°F | ♻️ Active | ~14 weeks |
| Apr | 62°F | 64°F | ♻️ Active | ~14 weeks |
| May | 74°F | 71°F | 🔥 Peak | ~8 weeks |
| Jun | 84°F | 79°F | 🔥 Peak | ~8 weeks |
| Jul | 89°F | 86°F | 🔥 Peak | ~8 weeks |
| Aug | 94°F | 87°F | 🔥 Peak | ~8 weeks |
| Sep | 86°F | 86°F | 🔥 Peak | ~8 weeks |
| Oct | 76°F | 77°F | 🔥 Peak | ~8 weeks |
| Nov | 62°F | 67°F | ♻️ Active | ~14 weeks |
| Dec | 51°F | 57°F | ♻️ Active | ~14 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Trinity County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Why this matters: Warm humid regions cycle through pest generations 3-5x faster than cold dry regions. Trinity County's pest score is your early-warning system: high score means commit to disease-resistant varieties and accept some crop loss to bugs.
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 | Moderate | May, Jun, Jul |
| Stink bugs | High | Apr, May, Jun, Jul, Aug, Sep, Oct |
| Whiteflies | High | 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 Trinity County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
For new gardeners: Cover crops protect microbial life through winter and summer. Bare soil bakes; covered soil stays cooler, moister, and biologically active. The difference shows up in next year's crops.
Spring Cover Crops (4 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Mar 11 | Sep 14 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Cowpeas (southern peas) | Mar 13 | Sep 14 | ✓ Yes | Excellent nitrogen fixer for warm climates, edible |
| Sorghum-sudan grass | Mar 6 | Sep 14 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Jan 30 | Sep 14 | ✓ 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 | Apr 2 | Oct 26 | — | 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 | Sep 28 | Feb 9 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Sep 25 | Feb 9 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Oct 1 | Feb 9 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Sep 12 | Feb 16 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Oct 20 | Feb 9 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Aug 14 | Feb 9 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Aug 20 | Feb 9 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Trinity County
What this means for you: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Trinity County averages 12.5 mph. If you garden near coast, ridge, or open plains, you're likely above that — plan for it.
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: 15 mph
Prevailing wind: S. Windy area — plant a windbreak hedge on the S side of your garden.
Windbreak Benefit
8.5/10
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 (361 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Trinity County
How much water you can collect, when to collect it, and what size system you need for your garden.
Why it matters: Even in arid regions, rainwater harvesting works — you just need bigger storage and patience. In wet regions like Trinity County (63" annually), you're mostly limited by how much water you can store between storms.
Annual Collection
31,598 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 1,250 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 63.4 inches of rain per year
- A 1,000 sq ft roof can collect roughly 31,598 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 Trinity County
Soil Type
Sandy Loam
Soil pH 5.7–6.7 · Excessively Drained drainage
Native soil is well-suited to most vegetables and herbs with regular compost additions.
Watering Needs
Drought stress: 3.5/10
Low-to-moderate drought stress. Plan to water 1–2 times per week during peak summer. (63.4 in. annual rainfall)
Season Tips
266-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.
Retain moisture and nutrients in sandy soils with expanded vermiculite.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
🥬 Vegetables to Grow in Trinity County
114 vegetables that grow well in Zone 9a with planting dates for Trinity County.
Show all 114 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 1 – Jul 6 | 80–100 |
| Amaranth | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 90–120 |
| Artichoke | — | — | Mar 16 | — | Jul 20 – Sep 28 | 120–180 |
| Arugula | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – Jun 8 | 30–50 |
| Asparagus | — | — | Mar 16 | — | — | 730–1095 |
| Beets | — | Feb 9 | — | Sep 28 | Apr 6 – May 4 | 50–70 |
| Belgian Endive | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Jun 22 – Aug 17 | 110–150 |
| Bitter Melon | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jun 22 | 60–90 |
| Black Beans | — | Mar 9 | — | — | Jun 8 – Jul 27 | 90–120 |
| Bok Choy | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 13 – May 18 | 40–60 |
| Broccoli | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 4 – Jun 15 | 60–90 |
| Broccoli Rabe | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 13 – May 18 | 40–60 |
| Brussels Sprouts | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Jun 1 – Jul 27 | 90–130 |
| Butternut Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 13 | 85–110 |
| Cabbage | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 4 – Jun 29 | 60–100 |
| Calabash | Jan 19 | Mar 2 | Mar 9 | — | Jun 1 – Jul 27 | 80–120 |
| Cardoon | — | — | Mar 16 | — | Jul 20 – Aug 31 | 120–150 |
| Carrots | — | Feb 9 | — | Sep 28 | Apr 13 – May 18 | 60–80 |
| Cauliflower | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 29 | 55–100 |
| Celeriac | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Jun 15 – Jul 20 | 100–120 |
| Celery | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 25 – Jul 20 | 80–120 |
| Celtuce | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 4 – Jun 15 | 60–90 |
| Chard | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 15 | 50–60 |
| Chayote | Jan 19 | Mar 2 | Mar 9 | — | Jul 13 – Sep 21 | 120–180 |
| Chickpeas | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 25 – Jul 6 | 80–110 |
| Chicory | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 4 – Jun 15 | 60–85 |
| Chinese Cabbage | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – May 25 | 50–70 |
| Christmas Lima Beans | Jan 19 | Mar 2 | Mar 9 | — | Jun 1 – Jul 6 | 80–100 |
| Collard Greens | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 29 | 55–75 |
| Corn | — | Mar 9 | — | — | May 11 – Jul 6 | 60–100 |
| Cowpeas | — | Mar 9 | — | — | May 11 – Jun 22 | 60–90 |
| Cress | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Mar 16 – Apr 6 | 14–21 |
| Crookneck Squash | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – May 25 | 45–60 |
| Crosne | — | Feb 9 | — | Sep 28 | Jul 13 – Sep 14 | 150–200 |
| Cucumber | Feb 2 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 50–70 |
| Daikon | — | Feb 9 | — | Sep 28 | Apr 6 – May 4 | 50–70 |
| Delicata Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 1 – Jul 6 | 80–100 |
| Edamame | — | Mar 9 | — | — | May 25 – Jul 6 | 75–100 |
| Eggplant | Jan 19 | Mar 2 | Mar 9 | — | May 18 – Jul 20 | 65–85 |
| Endive | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 20 – May 25 | 45–65 |
| Escarole | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – May 25 | 50–70 |
| Fava Beans | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 18 – Jun 29 | 75–100 |
| Fennel | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jun 22 | 60–90 |
| Garlic | — | — | — | Oct 12 | Jan 11 – Jun 28 | 90–240 |
| Ginger | Jan 19 | Mar 2 | Mar 9 | — | Nov 9 – Jan 4 | 240–300 |
| Green Beans | — | Mar 9 | — | — | May 4 – Jun 29 | 50–65 |
| Horseradish | — | — | Mar 16 | — | Jul 20 – Sep 28 | 120–180 |
| Hot Peppers | Jan 19 | Mar 2 | Mar 9 | — | May 18 – Aug 24 | 70–120 |
| Hubbard Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 22 – Jul 27 | 100–120 |
| Jicama | Jan 19 | Mar 2 | Mar 9 | — | Jul 13 – Sep 21 | 120–180 |
| Kabocha | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 6 | 85–100 |
| Kai Lan | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 20 – May 18 | 45–60 |
| Kale | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 22 | 50–70 |
| Kidney Beans | — | Mar 9 | — | — | Jun 8 – Jul 13 | 85–110 |
| Kohlrabi | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 20 – May 25 | 45–65 |
| Komatsuna | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – May 11 | 35–50 |
| Leeks | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Jun 1 – Aug 17 | 90–150 |
| Lentils | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 25 – Jul 6 | 80–110 |
| Lettuce | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – Jun 15 | 30–60 |
| Lima Beans | — | Mar 9 | — | — | May 11 – Jun 22 | 60–90 |
| Loofah | Jan 19 | Mar 2 | Mar 9 | — | Jun 22 – Aug 24 | 100–150 |
| Luffa | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Aug 24 | 90–150 |
| Mache | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 13 – May 18 | 40–60 |
| Malabar Spinach | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 1 | 55–70 |
| Melon | Feb 2 | Mar 2 | Mar 9 | — | May 18 – Jul 6 | 70–100 |
| Microgreens | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Mar 9 – Apr 6 | 7–21 |
| Mitsuba | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 20 – Jun 15 | 50–70 |
| Mizuna | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – May 4 | 30–45 |
| Mustard Greens | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – Jun 8 | 30–50 |
| Napa Cabbage | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 1 | 55–75 |
| New Zealand Spinach | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 1 | 55–70 |
| Okra | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 50–65 |
| Onion | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Jun 1 – Jul 20 | 90–120 |
| Pac Choi | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 13 – May 11 | 40–55 |
| Parsnip | — | Feb 9 | — | Sep 28 | May 25 – Jul 6 | 100–130 |
| Patty Pan Squash | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – May 25 | 45–60 |
| Peas | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 22 | 55–70 |
| Peppers | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Pole Beans | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 55–70 |
| Potatoes | Jan 19 | Mar 2 | Mar 9 | — | May 18 – Jul 27 | 70–120 |
| Pumpkin | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 85–120 |
| Purslane | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 13 – May 18 | 40–60 |
| Radicchio | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 4 – Jun 8 | 60–80 |
| Radish | — | Feb 9 | — | Sep 28 | Mar 9 – Mar 30 | 22–35 |
| Romanesco | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 18 – Jun 29 | 75–100 |
| Rutabaga | — | Feb 9 | — | Sep 28 | May 4 – Jun 8 | 80–100 |
| Salsify | — | Feb 9 | — | Sep 28 | May 25 – Jul 6 | 100–130 |
| Savoy Cabbage | Feb 2 | Feb 9 | Mar 2 | Sep 28 | May 11 – Jul 6 | 70–110 |
| Scallions | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – May 25 | 50–70 |
| Scarlet Runner Beans | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jun 15 | 60–80 |
| Shallot | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Jun 1 – Jul 20 | 90–120 |
| Shiso | Jan 19 | Mar 9 | Mar 9 | — | May 4 – Jun 29 | 50–70 |
| Snap Peas | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 55–70 |
| Snow Peas | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 27 – Jun 22 | 50–65 |
| Soybeans | — | Mar 9 | — | — | Jun 1 – Jul 27 | 80–120 |
| Spaghetti Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 6 | 85–100 |
| Spinach | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – Jun 8 | 35–50 |
| Squash (Summer) | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – Jun 29 | 45–65 |
| Squash (Winter) | Feb 2 | Mar 2 | Mar 9 | — | Jun 1 – Jul 27 | 80–120 |
| Sunchoke | — | — | Mar 16 | — | Jul 6 – Aug 31 | 110–150 |
| Sweet Corn | — | Mar 9 | — | — | May 11 – Jun 22 | 60–90 |
| Sweet Potatoes | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 90–120 |
| Tatsoi | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 6 – May 11 | 35–50 |
| Tomatillo | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jul 20 | 60–85 |
| Tomatoes | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jul 20 | 60–85 |
| Turmeric | Jan 19 | Mar 2 | Mar 9 | — | Nov 9 – Jan 4 | 240–300 |
| Turnip | — | Feb 9 | — | Sep 28 | Mar 23 – Apr 27 | 40–60 |
| Watercress | Feb 2 | Feb 9 | Mar 2 | Sep 28 | Apr 13 – May 18 | 40–60 |
| Watermelon | Feb 2 | Mar 2 | Mar 9 | — | May 18 – Jul 6 | 70–100 |
| Wax Beans | — | Mar 9 | — | — | May 4 – Jun 29 | 50–65 |
| Winter Melon | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 90–120 |
| Yam | Jan 19 | Mar 2 | Mar 9 | — | Sep 7 – Jan 4 | 180–330 |
| Yard Long Beans | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 15 | 55–80 |
| Zucchini | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – Jun 22 | 45–60 |
🍓 Fruits to Grow in Trinity County
24 fruits that grow well in Zone 9a with planting dates for Trinity County.
Show all 24 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Mar 16 | — | Jun 15 – Sep 28 | 90–180 |
| Blackberries | — | — | Mar 16 | — | — | 365–730 |
| Boysenberries | — | — | Mar 16 | — | — | 365–730 |
| Cantaloupe | — | — | Mar 16 | — | May 25 – Jun 29 | 70–90 |
| Che Fruit | — | — | Mar 16 | — | — | 1095–1825 |
| Dragon Fruit | — | — | Mar 16 | — | — | 365–730 |
| Elderberries | — | — | Mar 16 | — | — | 730–1095 |
| Figs | — | — | Mar 16 | — | — | 730–1825 |
| Goji Berries | — | — | Mar 16 | — | — | 730–1095 |
| Grapes | — | — | Mar 16 | — | — | 730–1095 |
| Ground Cherry | — | — | Mar 16 | — | May 25 – Jul 20 | 65–80 |
| Guava | — | — | Mar 16 | — | — | 365–730 |
| Honeydew | — | — | Mar 16 | — | Jun 8 – Jul 20 | 80–110 |
| Kiwi | — | — | Mar 16 | — | — | 1095–1825 |
| Loquat | — | — | Mar 16 | — | — | 730–1825 |
| Mulberries | — | — | Mar 16 | — | — | 730–1825 |
| Passion Fruit | — | — | Mar 16 | — | — | 365–545 |
| Pawpaw | — | — | Mar 16 | — | — | 1095–2555 |
| Persimmon | — | — | Mar 16 | — | — | 1095–2555 |
| Pomegranate | — | — | Mar 16 | — | — | 730–1095 |
| Quince | — | — | Mar 16 | — | — | 1095–1825 |
| Raspberries | — | — | Mar 16 | — | — | 365–730 |
| Serviceberries | — | — | Mar 16 | — | — | 730–1095 |
| Strawberries | — | — | Mar 16 | — | Jun 15 – Jan 11 | 90–365 |
🌿 Herbs to Grow in Trinity County
37 herbs that grow well in Zone 9a with planting dates for Trinity County.
Show all 37 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Anise | Feb 2 | Feb 9 | Feb 23 | Sep 28 | May 25 – Aug 10 | 90–120 |
| Basil | Jan 19 | Mar 9 | Mar 9 | — | May 4 – Jul 6 | 50–75 |
| Bee Balm | — | — | Mar 9 | — | Jun 8 – Aug 24 | 90–120 |
| Borage | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 20 – Jun 8 | 50–60 |
| Caraway | Feb 2 | Feb 9 | Feb 23 | Sep 28 | — | 365–450 |
| Catnip | — | — | Mar 9 | — | May 11 – Jul 13 | 60–80 |
| Chamomile | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 27 – Jul 6 | 60–90 |
| Chervil | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 6 – Jun 8 | 40–60 |
| Chives | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Cilantro | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 6 – Jun 8 | 40–60 |
| Comfrey | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Cumin | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Jun 8 – Aug 10 | 100–120 |
| Dill | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 6 – Jun 8 | 40–60 |
| Epazote | Jan 19 | Mar 9 | Mar 9 | — | Apr 27 – Jun 22 | 45–60 |
| Fennel (herb) | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 27 – Jul 6 | 60–90 |
| Feverfew | — | — | Mar 9 | — | Jun 8 – Aug 24 | 90–120 |
| Garlic Chives | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Horehound | — | — | Mar 9 | — | May 25 – Jul 20 | 75–90 |
| Hyssop | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Lemon Balm | — | — | Mar 9 | — | May 11 – Jun 29 | 60–70 |
| Lemon Thyme | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Lemon Verbena | Jan 19 | Mar 9 | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Lemongrass | Jan 19 | Mar 9 | Mar 9 | — | May 25 – Aug 24 | 75–120 |
| Marjoram | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Mint | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Oregano | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Parsley | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 27 – Jun 29 | 60–80 |
| Rosemary | — | — | Mar 9 | — | Jun 1 – Oct 19 | 80–180 |
| Rue | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Sage | — | — | Mar 9 | — | May 25 – Jul 20 | 75–90 |
| Savory | — | — | Mar 9 | — | May 4 – Jun 29 | 50–70 |
| Sorrel | Feb 2 | Feb 9 | Feb 23 | Sep 28 | Apr 6 – Jun 8 | 40–60 |
| Stevia | Jan 19 | Mar 9 | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Tarragon | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Thai Basil | Jan 19 | Mar 9 | Mar 9 | — | May 4 – Jul 6 | 50–75 |
| Thyme | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Valerian | — | — | Mar 9 | — | Jul 13 – Oct 19 | 120–180 |
🌸 Flowers to Grow in Trinity County
49 flowers that grow well in Zone 9a with planting dates for Trinity County.
Show all 49 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Jan 19 | Feb 16 | Feb 16 | — | Apr 13 – Sep 28 | 60–75 |
| Alliums | — | — | — | Oct 26 | Nov 23 – Dec 14 | 28–42 |
| Anemones | — | — | — | Sep 28 | Oct 5 – Nov 2 | 90–120 |
| Bachelor's Button | — | Jan 5 | Feb 2 | Sep 14 | Mar 30 – Jul 20 | 60–90 |
| Begonias | Dec 22 | — | Feb 9 | — | Apr 20 – Oct 19 | 70–90 |
| Black-eyed Susan | Jan 5 | Feb 16 | Feb 16 | — | Apr 27 – Sep 14 | 60–80 |
| Bleeding Hearts | Jan 5 | — | Feb 16 | — | Apr 6 – Apr 27 | 60–90 |
| Calendula | — | Jan 5 | Feb 2 | Aug 31 | Mar 16 – Jul 20 | 50–70 |
| California Poppy | — | — | — | Aug 31 | Nov 9 – Mar 15 | 60–90 |
| Celosia | Feb 2 | Feb 16 | Feb 16 | — | Apr 20 – Oct 26 | 60–90 |
| Columbine | Jan 5 | Feb 16 | Feb 16 | — | Apr 6 – Apr 27 | 70–100 |
| Coreopsis | Jan 5 | Feb 16 | Feb 16 | — | Apr 13 – Sep 14 | 60–80 |
| Cosmos | Feb 2 | Feb 2 | Feb 2 | — | Apr 13 – Sep 28 | 60–90 |
| Daffodils | — | — | — | Oct 26 | Oct 12 – Nov 2 | 20–40 |
| Dahlias | — | Mar 2 | Mar 2 | — | May 11 – Nov 9 | 70–120 |
| Daylily | Jan 5 | — | Feb 16 | — | Apr 27 – Oct 12 | 60–90 |
| Dianthus | Jan 5 | Jan 5 | Jan 5 | — | Feb 23 – Apr 27 | 60–80 |
| Echinacea (Purple Coneflower) | Jan 5 | Feb 16 | Feb 16 | — | Apr 27 – Sep 14 | 70–90 |
| Foxglove | Jan 5 | Feb 16 | Feb 16 | — | Apr 6 – Apr 27 | 80–120 |
| Freesia | — | — | — | Oct 12 | Oct 26 – Nov 23 | 84–112 |
| Gaillardia (Blanket Flower) | Jan 19 | Feb 16 | Feb 16 | — | Apr 27 – Oct 26 | 70–100 |
| Geraniums | Dec 22 | — | Feb 9 | — | Apr 20 – Oct 19 | 70–100 |
| Gladiolus | — | Mar 2 | Mar 2 | — | May 11 – Nov 9 | 70–100 |
| Hostas | Jan 5 | — | Feb 16 | — | Apr 27 – Aug 17 | 60–90 |
| Hyacinths | — | — | — | Oct 26 | Oct 26 – Nov 16 | 14–28 |
| Hydrangeas | Jan 5 | — | Feb 16 | — | Apr 27 – Aug 17 | 90–150 |
| Impatiens | Jan 5 | — | Feb 16 | — | Apr 27 – Oct 12 | 60–75 |
| Irises | — | Division | Feb 16 | — | Apr 6 – May 11 | 60–100 |
| Larkspur | — | — | — | Sep 14 | Nov 23 – Mar 15 | 60–90 |
| Lavender | Jan 5 | — | Feb 16 | — | Apr 27 – Aug 3 | 90–120 |
| Lilies | — | Division | Feb 16 | — | Apr 27 – Aug 3 | 70–120 |
| Lobelia | Jan 5 | — | Jan 5 | — | Mar 2 – Mar 30 | 70–80 |
| Marigolds | Jan 26 | Feb 16 | Feb 16 | — | Apr 13 – Sep 14 | 50–70 |
| Nasturtium | Feb 2 | Feb 9 | Feb 9 | — | Apr 6 – Oct 5 | 55–65 |
| Pansy | Dec 22 | — | Feb 2 | Aug 31 | Mar 23 – Jun 22 | 70–90 |
| Petunia | Jan 5 | — | Feb 16 | — | Apr 27 – Sep 28 | 70–90 |
| Phlox | Jan 5 | Feb 16 | Feb 16 | — | Apr 27 – Jun 22 | 80–110 |
| Portulaca | Feb 2 | Feb 16 | Feb 16 | — | Apr 6 – Oct 12 | 50–70 |
| Ranunculus | — | — | — | Sep 28 | Oct 12 – Nov 9 | 90–120 |
| Roses | Jan 5 | — | Feb 16 | — | Apr 27 – Oct 12 | 90–180 |
| Salvia | Jan 5 | — | Feb 9 | — | Apr 20 – Oct 5 | 70–90 |
| Sedum (Stonecrop) | Jan 5 | — | Feb 16 | — | Jun 8 – Aug 17 | 60–90 |
| Snapdragon | — | Jan 5 | Feb 2 | Aug 31 | Apr 6 – Aug 3 | 70–100 |
| Sunflower | Feb 9 | Feb 9 | Feb 9 | — | May 4 – Oct 5 | 70–100 |
| Sweet Alyssum | — | Jan 5 | Feb 2 | Sep 14 | Mar 9 – Jun 22 | 45–60 |
| Sweet Pea | — | — | — | Sep 14 | Nov 23 – Jan 18 | 65–85 |
| Vinca (Annual) | Dec 22 | — | Feb 9 | — | Apr 20 – Oct 19 | 70–90 |
| Yarrow | Jan 5 | Feb 16 | Feb 16 | — | Apr 13 – Aug 31 | 60–90 |
| Zinnia | Feb 2 | Feb 9 | Feb 9 | — | Apr 20 – Oct 5 | 60–70 |
Monthly Planting Guide for Trinity County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Trinity County.
Frequently Asked Questions
What planting zone is Trinity County, TX?
Trinity 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 Trinity County, TX?
Based on 31 years of NOAA weather station data, the median last spring frost in Trinity County falls around March 2. In 8 out of 10 years, last frost lands between February 7 and March 26 — a 48-day window of variability. Use March 26 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Trinity County, TX?
The median first fall frost in Trinity County arrives around November 23. In cold years it can arrive as early as November 2; in mild years as late as December 11. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Trinity County?
Trinity County has a frost-free growing season of approximately 266 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 1.2 days per decade.
What is the soil like in Trinity County for gardening?
Trinity County has predominantly Sandy Loam soil with a pH range of 5.7–6.7 and Excessively Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Trinity County?
Trinity County has commercial agriculture that includes Cotton, Cattle, Sorghum. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Trinity County a good location for home gardening?
Trinity County scores 52/100 (Moderate) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Conditions here are moderate — most common crops grow well with standard timing and care.
Your Trinity County Garden Planner — Free
A 22-page printable planner built for Trinity 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