Jasper, FL — Planting Guide for July
Free PDF, personalized for your town's frost dates & climate. Drop your email — we'll send the link.
Jasper gardens in a wet, humid climate (52" annually). Cool-season crops like peas, lettuce, kale, and brassicas thrive in spring and fall. The biggest challenges are fungal disease and humidity-loving pests in summer — leaf spot, blight, squash bugs, vine borers. Drip irrigation (not overhead), wide plant spacing for air circulation, and disease-resistant varieties make the difference.
Native soil is Sand — warms fast and drains free, but nutrients and water wash through. Plan on heavy organic-matter additions and either drip irrigation or frequent shallow waterings to keep crops happy.
Jasper averages 21.7 drought weeks per year (US Drought Monitor, 2000–present, trend stable). Treat irrigation as a year-round system, not a summer add-on.
🌡️ USDA Zone
9a (20°F to 25°F min)
❄️ Avg. Last Frost
March 4
🍂 Avg. First Frost
November 26
📅 Growing Season
267 days
🌧️ Climate
Humid 51.6" annual
💨 Wind
Calm 4.1 mph avg
🥶 Frost Tier
Regular 0% frost-free years
🏜️ Drought
21.7 wk/yr trend stable
📍 ZIP Codes
1 ZIP
Monthly Watering Calendar for Jasper
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Why this matters: A drip irrigation system pays for itself in 1-2 seasons in any climate. Jasper's 52" annual rainfall determines whether you'll run it weekly (dry zones) or maybe just during summer dry spells (wet zones).
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 3.2 in | 5 days | — | None |
| Feb | 3.1 in | 6 days | 1.2 in | Moderate |
| Mar | 3.3 in | 7 days | 1 in | Moderate |
| Apr | 2.4 in | 5 days | 1.9 in | High |
| May | 3.4 in | 8 days | 0.9 in | Moderate |
| Jun | 9.3 in | 15 days | — | Low |
| Jul | 8.8 in | 17 days | — | Low |
| Aug | 9.2 in | 15 days | — | Low |
| Sep | 8.5 in | 17 days | — | Low |
| Oct | 5 in | 8 days | — | Low |
| Nov | 2.7 in | 6 days | 1.6 in | High |
| Dec | 2.4 in | 6 days | — | None |
Annual total: 61.3 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.
Jasper Soil Profile
Soil Type
Sand
Soil pH
5.2-5.7
Drainage
Well Drained
Frost Risk Probability
Based on 29 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 24 | Dec 20 | 271 days |
| Cautious | Mar 12 | Dec 3 | 266 days |
| Average year | Mar 4 | Nov 26 | 267 days |
| Optimistic | Feb 19 | Nov 16 | 270 days |
| Aggressive (risky) | Jan 30 | Nov 5 | 279 days |
Not very — frost dates can vary by ±53 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 3.8 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Hamilton County presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Hamilton 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 Hamilton County's climate and soil.
County Extension Office
Hamilton County University of Florida IFAS Extension Extension Office
Phone: 352-392-1761
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 Hamilton County
Finding local nurseries & garden centers in Hamilton County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Hamilton 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 Hamilton County FL" or "garden center Hamilton 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 Hamilton County FL" or check your extension office and local parks department. Facebook groups like "Hamilton County Gardeners" or "Florida 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 Jasper
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 Jasper 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
8.9 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 | 6.2 hr | Short day |
| February | 10.9 hr | 6.4 hr | Short day |
| March | 11.8 hr | 7.6 hr | Short day |
| April | 12.7 hr | 8.6 hr | Neutral |
| May | 13.5 hr | 8.9 hr | Neutral |
| June | 14 hr | 8 hr | Long day |
| July | 13.8 hr | 6.9 hr | Neutral |
| August | 13.1 hr | 6.7 hr | Neutral |
| September | 12.2 hr | 6.1 hr | Neutral |
| October | 11.2 hr | 6.5 hr | Short day |
| November | 10.4 hr | 6.5 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 Jasper
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Why it matters: Most root crops germinate well at 50-60°F. Most fruit-bearing crops want 65-75°F. Jasper's monthly soil curve maps these windows to actual months.
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 | 48°F | 51°F | 🐢 Slow | ~24 weeks |
| Feb | 47°F | 51°F | 🐢 Slow | ~24 weeks |
| Mar | 52°F | 57°F | ♻️ Active | ~14 weeks |
| Apr | 61°F | 62°F | ♻️ Active | ~14 weeks |
| May | 71°F | 70°F | 🔥 Peak | ~8 weeks |
| Jun | 85°F | 79°F | 🔥 Peak | ~8 weeks |
| Jul | 90°F | 85°F | 🔥 Peak | ~8 weeks |
| Aug | 93°F | 87°F | 🔥 Peak | ~8 weeks |
| Sep | 87°F | 86°F | 🔥 Peak | ~8 weeks |
| Oct | 75°F | 76°F | 🔥 Peak | ~8 weeks |
| Nov | 63°F | 68°F | ♻️ Active | ~14 weeks |
| Dec | 51°F | 58°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 Jasper
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
For new gardeners: Pest score isn't pass/fail. It's a planning input. Higher scores mean: more compost (resilient plants), wider spacing (air circulation), resistant varieties (built-in defense), and inspection (catch issues at egg stage).
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 | Low | 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 Jasper
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Why it matters: Cover crops are the experienced gardener's secret weapon. Jasper's climate determines which species thrive: clover and vetch in mild winters, cereal rye and Austrian peas in cold ones.
Spring Cover Crops (4 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Mar 14 | Sep 17 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Cowpeas (southern peas) | Mar 11 | Sep 24 | ✓ Yes | Excellent nitrogen fixer for warm climates, edible |
| Sorghum-sudan grass | Mar 9 | Sep 17 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Feb 6 | Oct 1 | ✓ 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 28 | Oct 29 | — | 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 1 | Feb 11 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Oct 4 | Feb 18 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Sep 29 | Feb 11 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Sep 16 | Feb 11 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Oct 19 | Feb 11 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Aug 27 | Feb 18 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Sep 2 | Feb 11 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Jasper
Quick context: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Jasper averages 4.1 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: 12 mph Summer: 7 mph
Fall: 10 mph Winter: 9 mph
Prevailing wind: E. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
4.7/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (54 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Jasper
How much water you can collect, when to collect it, and what size system you need for your garden.
For new gardeners: A single rain barrel under a downspout catches 50 gallons in a 0.5" storm. Jasper's 52" annual rainfall means even modest harvesting systems quickly amortize their cost in water savings.
Annual Collection
30,551 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 1,000 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
Jun, Jul, Aug, Sep
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Apr, 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 61.3 inches of rain per year
- A 1,000 sq ft roof can collect roughly 30,551 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
🥬 Vegetables to Grow in Jasper
114 vegetables matched to Zone 9a with planting dates calibrated for Jasper.
Show all 114 vegetables with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Feb 4 | Mar 4 | Mar 11 | — | Jun 3 – Jul 8 | 80–100 |
| Amaranth | Jan 21 | Mar 4 | Mar 11 | — | Jun 10 – Jul 29 | 90–120 |
| Artichoke | — | — | Mar 18 | — | Jul 22 – Sep 30 | 120–180 |
| Arugula | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – Jun 10 | 30–50 |
| Asparagus | — | — | Mar 18 | — | — | 730–1095 |
| Beets | — | Feb 11 | — | Oct 1 | Apr 8 – May 6 | 50–70 |
| Belgian Endive | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Jun 24 – Aug 19 | 110–150 |
| Bitter Melon | Jan 21 | Mar 4 | Mar 11 | — | May 13 – Jun 24 | 60–90 |
| Black Beans | — | Mar 11 | — | — | Jun 10 – Jul 29 | 90–120 |
| Bok Choy | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 15 – May 20 | 40–60 |
| Broccoli | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 6 – Jun 17 | 60–90 |
| Broccoli Rabe | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 15 – May 20 | 40–60 |
| Brussels Sprouts | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Jun 3 – Jul 29 | 90–130 |
| Butternut Squash | Feb 4 | Mar 4 | Mar 11 | — | Jun 10 – Jul 15 | 85–110 |
| Cabbage | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 6 – Jul 1 | 60–100 |
| Calabash | Jan 21 | Mar 4 | Mar 11 | — | Jun 3 – Jul 29 | 80–120 |
| Cardoon | — | — | Mar 18 | — | Jul 22 – Sep 2 | 120–150 |
| Carrots | — | Feb 11 | — | Oct 1 | Apr 15 – May 20 | 60–80 |
| Cauliflower | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jul 1 | 55–100 |
| Celeriac | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Jun 17 – Jul 22 | 100–120 |
| Celery | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 27 – Jul 22 | 80–120 |
| Celtuce | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 6 – Jun 17 | 60–90 |
| Chard | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jun 17 | 50–60 |
| Chayote | Jan 21 | Mar 4 | Mar 11 | — | Jul 15 – Sep 23 | 120–180 |
| Chickpeas | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 27 – Jul 8 | 80–110 |
| Chicory | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 6 – Jun 17 | 60–85 |
| Chinese Cabbage | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – May 27 | 50–70 |
| Christmas Lima Beans | Jan 21 | Mar 4 | Mar 11 | — | Jun 3 – Jul 8 | 80–100 |
| Collard Greens | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jul 1 | 55–75 |
| Corn | — | Mar 11 | — | — | May 13 – Jul 8 | 60–100 |
| Cowpeas | — | Mar 11 | — | — | May 13 – Jun 24 | 60–90 |
| Cress | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Mar 18 – Apr 8 | 14–21 |
| Crookneck Squash | Feb 4 | Mar 4 | Mar 11 | — | Apr 29 – May 27 | 45–60 |
| Crosne | — | Feb 11 | — | Oct 1 | Jul 15 – Sep 16 | 150–200 |
| Cucumber | Feb 4 | Mar 4 | Mar 11 | — | May 6 – Jul 1 | 50–70 |
| Daikon | — | Feb 11 | — | Oct 1 | Apr 8 – May 6 | 50–70 |
| Delicata Squash | Feb 4 | Mar 4 | Mar 11 | — | Jun 3 – Jul 8 | 80–100 |
| Edamame | — | Mar 11 | — | — | May 27 – Jul 8 | 75–100 |
| Eggplant | Jan 21 | Mar 4 | Mar 11 | — | May 20 – Jul 22 | 65–85 |
| Endive | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 22 – May 27 | 45–65 |
| Escarole | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – May 27 | 50–70 |
| Fava Beans | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 20 – Jul 1 | 75–100 |
| Fennel | Jan 21 | Mar 4 | Mar 11 | — | May 13 – Jun 24 | 60–90 |
| Garlic | — | — | — | Oct 15 | Jan 14 – Jul 1 | 90–240 |
| Ginger | Jan 21 | Mar 4 | Mar 11 | — | Nov 11 – Jan 6 | 240–300 |
| Green Beans | — | Mar 11 | — | — | May 6 – Jul 1 | 50–65 |
| Horseradish | — | — | Mar 18 | — | Jul 22 – Sep 30 | 120–180 |
| Hot Peppers | Jan 21 | Mar 4 | Mar 11 | — | May 20 – Aug 26 | 70–120 |
| Hubbard Squash | Feb 4 | Mar 4 | Mar 11 | — | Jun 24 – Jul 29 | 100–120 |
| Jicama | Jan 21 | Mar 4 | Mar 11 | — | Jul 15 – Sep 23 | 120–180 |
| Kabocha | Feb 4 | Mar 4 | Mar 11 | — | Jun 10 – Jul 8 | 85–100 |
| Kai Lan | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 22 – May 20 | 45–60 |
| Kale | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jun 24 | 50–70 |
| Kidney Beans | — | Mar 11 | — | — | Jun 10 – Jul 15 | 85–110 |
| Kohlrabi | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 22 – May 27 | 45–65 |
| Komatsuna | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – May 13 | 35–50 |
| Leeks | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Jun 3 – Aug 19 | 90–150 |
| Lentils | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 27 – Jul 8 | 80–110 |
| Lettuce | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – Jun 17 | 30–60 |
| Lima Beans | — | Mar 11 | — | — | May 13 – Jun 24 | 60–90 |
| Loofah | Jan 21 | Mar 4 | Mar 11 | — | Jun 24 – Aug 26 | 100–150 |
| Luffa | Jan 21 | Mar 4 | Mar 11 | — | Jun 10 – Aug 26 | 90–150 |
| Mache | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 15 – May 20 | 40–60 |
| Malabar Spinach | Jan 21 | Mar 4 | Mar 11 | — | May 6 – Jun 3 | 55–70 |
| Melon | Feb 4 | Mar 4 | Mar 11 | — | May 20 – Jul 8 | 70–100 |
| Microgreens | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Mar 11 – Apr 8 | 7–21 |
| Mitsuba | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 22 – Jun 17 | 50–70 |
| Mizuna | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – May 6 | 30–45 |
| Mustard Greens | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – Jun 10 | 30–50 |
| Napa Cabbage | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jun 3 | 55–75 |
| New Zealand Spinach | Jan 21 | Mar 4 | Mar 11 | — | May 6 – Jun 3 | 55–70 |
| Okra | Jan 21 | Mar 4 | Mar 11 | — | May 6 – Jul 1 | 50–65 |
| Onion | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Jun 3 – Jul 22 | 90–120 |
| Pac Choi | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 15 – May 13 | 40–55 |
| Parsnip | — | Feb 11 | — | Oct 1 | May 27 – Jul 8 | 100–130 |
| Patty Pan Squash | Feb 4 | Mar 4 | Mar 11 | — | Apr 29 – May 27 | 45–60 |
| Peas | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jun 24 | 55–70 |
| Peppers | Jan 21 | Mar 4 | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Pole Beans | Jan 21 | Mar 4 | Mar 11 | — | May 6 – Jul 1 | 55–70 |
| Potatoes | Jan 21 | Mar 4 | Mar 11 | — | May 20 – Jul 29 | 70–120 |
| Pumpkin | Feb 4 | Mar 4 | Mar 11 | — | Jun 10 – Jul 29 | 85–120 |
| Purslane | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 15 – May 20 | 40–60 |
| Radicchio | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 6 – Jun 10 | 60–80 |
| Radish | — | Feb 11 | — | Oct 1 | Mar 11 – Apr 1 | 22–35 |
| Romanesco | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 20 – Jul 1 | 75–100 |
| Rutabaga | — | Feb 11 | — | Oct 1 | May 6 – Jun 10 | 80–100 |
| Salsify | — | Feb 11 | — | Oct 1 | May 27 – Jul 8 | 100–130 |
| Savoy Cabbage | Feb 4 | Feb 11 | Mar 4 | Oct 1 | May 13 – Jul 8 | 70–110 |
| Scallions | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – May 27 | 50–70 |
| Scarlet Runner Beans | Jan 21 | Mar 4 | Mar 11 | — | May 13 – Jun 17 | 60–80 |
| Shallot | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Jun 3 – Jul 22 | 90–120 |
| Shiso | Jan 21 | Mar 11 | Mar 11 | — | May 6 – Jul 1 | 50–70 |
| Snap Peas | Jan 21 | Mar 4 | Mar 11 | — | May 6 – Jul 1 | 55–70 |
| Snow Peas | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 29 – Jun 24 | 50–65 |
| Soybeans | — | Mar 11 | — | — | Jun 3 – Jul 29 | 80–120 |
| Spaghetti Squash | Feb 4 | Mar 4 | Mar 11 | — | Jun 10 – Jul 8 | 85–100 |
| Spinach | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – Jun 10 | 35–50 |
| Squash (Summer) | Feb 4 | Mar 4 | Mar 11 | — | Apr 29 – Jul 1 | 45–65 |
| Squash (Winter) | Feb 4 | Mar 4 | Mar 11 | — | Jun 3 – Jul 29 | 80–120 |
| Sunchoke | — | — | Mar 18 | — | Jul 8 – Sep 2 | 110–150 |
| Sweet Corn | — | Mar 11 | — | — | May 13 – Jun 24 | 60–90 |
| Sweet Potatoes | Jan 21 | Mar 4 | Mar 11 | — | Jun 10 – Jul 29 | 90–120 |
| Tatsoi | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 8 – May 13 | 35–50 |
| Tomatillo | Jan 21 | Mar 4 | Mar 11 | — | May 13 – Jul 22 | 60–85 |
| Tomatoes | Jan 21 | Mar 4 | Mar 11 | — | May 13 – Jul 22 | 60–85 |
| Turmeric | Jan 21 | Mar 4 | Mar 11 | — | Nov 11 – Jan 6 | 240–300 |
| Turnip | — | Feb 11 | — | Oct 1 | Mar 25 – Apr 29 | 40–60 |
| Watercress | Feb 4 | Feb 11 | Mar 4 | Oct 1 | Apr 15 – May 20 | 40–60 |
| Watermelon | Feb 4 | Mar 4 | Mar 11 | — | May 20 – Jul 8 | 70–100 |
| Wax Beans | — | Mar 11 | — | — | May 6 – Jul 1 | 50–65 |
| Winter Melon | Jan 21 | Mar 4 | Mar 11 | — | Jun 10 – Jul 29 | 90–120 |
| Yam | Jan 21 | Mar 4 | Mar 11 | — | Sep 9 – Jan 6 | 180–330 |
| Yard Long Beans | Jan 21 | Mar 4 | Mar 11 | — | May 6 – Jun 17 | 55–80 |
| Zucchini | Feb 4 | Mar 4 | Mar 11 | — | Apr 29 – Jun 24 | 45–60 |
🍓 Fruits to Grow in Jasper
24 fruits matched to Zone 9a with planting dates calibrated for Jasper.
Show all 24 fruits with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Mar 18 | — | Jun 17 – Sep 30 | 90–180 |
| Blackberries | — | — | Mar 18 | — | — | 365–730 |
| Boysenberries | — | — | Mar 18 | — | — | 365–730 |
| Cantaloupe | — | — | Mar 18 | — | May 27 – Jul 1 | 70–90 |
| Che Fruit | — | — | Mar 18 | — | — | 1095–1825 |
| Dragon Fruit | — | — | Mar 18 | — | — | 365–730 |
| Elderberries | — | — | Mar 18 | — | — | 730–1095 |
| Figs | — | — | Mar 18 | — | — | 730–1825 |
| Goji Berries | — | — | Mar 18 | — | — | 730–1095 |
| Grapes | — | — | Mar 18 | — | — | 730–1095 |
| Ground Cherry | — | — | Mar 18 | — | May 27 – Jul 22 | 65–80 |
| Guava | — | — | Mar 18 | — | — | 365–730 |
| Honeydew | — | — | Mar 18 | — | Jun 10 – Jul 22 | 80–110 |
| Kiwi | — | — | Mar 18 | — | — | 1095–1825 |
| Loquat | — | — | Mar 18 | — | — | 730–1825 |
| Mulberries | — | — | Mar 18 | — | — | 730–1825 |
| Passion Fruit | — | — | Mar 18 | — | — | 365–545 |
| Pawpaw | — | — | Mar 18 | — | — | 1095–2555 |
| Persimmon | — | — | Mar 18 | — | — | 1095–2555 |
| Pomegranate | — | — | Mar 18 | — | — | 730–1095 |
| Quince | — | — | Mar 18 | — | — | 1095–1825 |
| Raspberries | — | — | Mar 18 | — | — | 365–730 |
| Serviceberries | — | — | Mar 18 | — | — | 730–1095 |
| Strawberries | — | — | Mar 18 | — | Jun 17 – Jan 13 | 90–365 |
🌿 Herbs to Grow in Jasper
37 herbs matched to Zone 9a with planting dates calibrated for Jasper.
Show all 37 herbs with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Anise | Feb 4 | Feb 11 | Feb 25 | Oct 1 | May 27 – Aug 12 | 90–120 |
| Basil | Jan 21 | Mar 11 | Mar 11 | — | May 6 – Jul 8 | 50–75 |
| Bee Balm | — | — | Mar 11 | — | Jun 10 – Aug 26 | 90–120 |
| Borage | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 22 – Jun 10 | 50–60 |
| Caraway | Feb 4 | Feb 11 | Feb 25 | Oct 1 | — | 365–450 |
| Catnip | — | — | Mar 11 | — | May 13 – Jul 15 | 60–80 |
| Chamomile | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 29 – Jul 8 | 60–90 |
| Chervil | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 8 – Jun 10 | 40–60 |
| Chives | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Cilantro | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 8 – Jun 10 | 40–60 |
| Comfrey | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Cumin | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Jun 10 – Aug 12 | 100–120 |
| Dill | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 8 – Jun 10 | 40–60 |
| Epazote | Jan 21 | Mar 11 | Mar 11 | — | Apr 29 – Jun 24 | 45–60 |
| Fennel (herb) | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 29 – Jul 8 | 60–90 |
| Feverfew | — | — | Mar 11 | — | Jun 10 – Aug 26 | 90–120 |
| Garlic Chives | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Horehound | — | — | Mar 11 | — | May 27 – Jul 22 | 75–90 |
| Hyssop | — | — | Mar 11 | — | May 20 – Jul 22 | 70–90 |
| Lemon Balm | — | — | Mar 11 | — | May 13 – Jul 1 | 60–70 |
| Lemon Thyme | — | — | Mar 11 | — | May 20 – Jul 22 | 70–90 |
| Lemon Verbena | Jan 21 | Mar 11 | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Lemongrass | Jan 21 | Mar 11 | Mar 11 | — | May 27 – Aug 26 | 75–120 |
| Marjoram | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Mint | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Oregano | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Parsley | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 29 – Jul 1 | 60–80 |
| Rosemary | — | — | Mar 11 | — | Jun 3 – Oct 21 | 80–180 |
| Rue | — | — | Mar 11 | — | May 20 – Jul 22 | 70–90 |
| Sage | — | — | Mar 11 | — | May 27 – Jul 22 | 75–90 |
| Savory | — | — | Mar 11 | — | May 6 – Jul 1 | 50–70 |
| Sorrel | Feb 4 | Feb 11 | Feb 25 | Oct 1 | Apr 8 – Jun 10 | 40–60 |
| Stevia | Jan 21 | Mar 11 | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Tarragon | — | — | Mar 11 | — | May 13 – Jul 22 | 60–90 |
| Thai Basil | Jan 21 | Mar 11 | Mar 11 | — | May 6 – Jul 8 | 50–75 |
| Thyme | — | — | Mar 11 | — | May 20 – Jul 22 | 70–90 |
| Valerian | — | — | Mar 11 | — | Jul 15 – Oct 21 | 120–180 |
🌸 Flowers to Grow in Jasper
49 flowers matched to Zone 9a with planting dates calibrated for Jasper.
Show all 49 flowers with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Jan 21 | Feb 18 | Feb 18 | — | Apr 15 – Sep 30 | 60–75 |
| Alliums | — | — | — | Oct 29 | Nov 26 – Dec 17 | 28–42 |
| Anemones | — | — | — | Oct 1 | Oct 8 – Nov 5 | 90–120 |
| Bachelor's Button | — | Jan 7 | Feb 4 | Sep 17 | Apr 1 – Jul 22 | 60–90 |
| Begonias | Dec 24 | — | Feb 11 | — | Apr 22 – Oct 21 | 70–90 |
| Black-eyed Susan | Jan 7 | Feb 18 | Feb 18 | — | Apr 29 – Sep 16 | 60–80 |
| Bleeding Hearts | Jan 7 | — | Feb 18 | — | Apr 8 – Apr 29 | 60–90 |
| Calendula | — | Jan 7 | Feb 4 | Sep 3 | Mar 18 – Jul 22 | 50–70 |
| California Poppy | — | — | — | Sep 3 | Nov 12 – Mar 18 | 60–90 |
| Celosia | Feb 4 | Feb 18 | Feb 18 | — | Apr 22 – Oct 28 | 60–90 |
| Columbine | Jan 7 | Feb 18 | Feb 18 | — | Apr 8 – Apr 29 | 70–100 |
| Coreopsis | Jan 7 | Feb 18 | Feb 18 | — | Apr 15 – Sep 16 | 60–80 |
| Cosmos | Feb 4 | Feb 4 | Feb 4 | — | Apr 15 – Sep 30 | 60–90 |
| Daffodils | — | — | — | Oct 29 | Oct 15 – Nov 5 | 20–40 |
| Dahlias | — | Mar 4 | Mar 4 | — | May 13 – Nov 11 | 70–120 |
| Daylily | Jan 7 | — | Feb 18 | — | Apr 29 – Oct 14 | 60–90 |
| Dianthus | Jan 7 | Jan 7 | Jan 7 | — | Feb 25 – Apr 29 | 60–80 |
| Echinacea (Purple Coneflower) | Jan 7 | Feb 18 | Feb 18 | — | Apr 29 – Sep 16 | 70–90 |
| Foxglove | Jan 7 | Feb 18 | Feb 18 | — | Apr 8 – Apr 29 | 80–120 |
| Freesia | — | — | — | Oct 15 | Oct 29 – Nov 26 | 84–112 |
| Gaillardia (Blanket Flower) | Jan 21 | Feb 18 | Feb 18 | — | Apr 29 – Oct 28 | 70–100 |
| Geraniums | Dec 24 | — | Feb 11 | — | Apr 22 – Oct 21 | 70–100 |
| Gladiolus | — | Mar 4 | Mar 4 | — | May 13 – Nov 11 | 70–100 |
| Hostas | Jan 7 | — | Feb 18 | — | Apr 29 – Aug 19 | 60–90 |
| Hyacinths | — | — | — | Oct 29 | Oct 29 – Nov 19 | 14–28 |
| Hydrangeas | Jan 7 | — | Feb 18 | — | Apr 29 – Aug 19 | 90–150 |
| Impatiens | Jan 7 | — | Feb 18 | — | Apr 29 – Oct 14 | 60–75 |
| Irises | — | Division | Feb 18 | — | Apr 8 – May 13 | 60–100 |
| Larkspur | — | — | — | Sep 17 | Nov 26 – Mar 18 | 60–90 |
| Lavender | Jan 7 | — | Feb 18 | — | Apr 29 – Aug 5 | 90–120 |
| Lilies | — | Division | Feb 18 | — | Apr 29 – Aug 5 | 70–120 |
| Lobelia | Jan 7 | — | Jan 7 | — | Mar 4 – Apr 1 | 70–80 |
| Marigolds | Jan 28 | Feb 18 | Feb 18 | — | Apr 15 – Sep 16 | 50–70 |
| Nasturtium | Feb 4 | Feb 11 | Feb 11 | — | Apr 8 – Oct 7 | 55–65 |
| Pansy | Dec 24 | — | Feb 4 | Sep 3 | Mar 25 – Jun 24 | 70–90 |
| Petunia | Jan 7 | — | Feb 18 | — | Apr 29 – Sep 30 | 70–90 |
| Phlox | Jan 7 | Feb 18 | Feb 18 | — | Apr 29 – Jun 24 | 80–110 |
| Portulaca | Feb 4 | Feb 18 | Feb 18 | — | Apr 8 – Oct 14 | 50–70 |
| Ranunculus | — | — | — | Oct 1 | Oct 15 – Nov 12 | 90–120 |
| Roses | Jan 7 | — | Feb 18 | — | Apr 29 – Oct 14 | 90–180 |
| Salvia | Jan 7 | — | Feb 11 | — | Apr 22 – Oct 7 | 70–90 |
| Sedum (Stonecrop) | Jan 7 | — | Feb 18 | — | Jun 10 – Aug 19 | 60–90 |
| Snapdragon | — | Jan 7 | Feb 4 | Sep 3 | Apr 8 – Aug 5 | 70–100 |
| Sunflower | Feb 11 | Feb 11 | Feb 11 | — | May 6 – Oct 7 | 70–100 |
| Sweet Alyssum | — | Jan 7 | Feb 4 | Sep 17 | Mar 11 – Jun 24 | 45–60 |
| Sweet Pea | — | — | — | Sep 17 | Nov 26 – Jan 21 | 65–85 |
| Vinca (Annual) | Dec 24 | — | Feb 11 | — | Apr 22 – Oct 21 | 70–90 |
| Yarrow | Jan 7 | Feb 18 | Feb 18 | — | Apr 15 – Sep 2 | 60–90 |
| Zinnia | Feb 4 | Feb 11 | Feb 11 | — | Apr 22 – Oct 7 | 60–70 |
Monthly Planting Guide for Jasper
ZIP Codes in Jasper
Click any ZIP to see its specific frost, soil, and climate measurements (some ZIPs differ noticeably from the town aggregate):
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Hamilton County.
Your Hamilton County Garden Planner — Free
A 22-page printable planner built for Hamilton 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