ZonePlant

Local planting guide · Southeast

Tampa, FL

zip 33606

Tampa is in USDA hardiness zone 10a, with average winter lows of 30°F to 35°F. The local growing season runs roughly 01/20 through 01/12 (~365 days). This zip falls within the Southeast growing region.

USDA zone
10a 30°F to 35°F
Last spring frost
01/20
First fall frost
01/12
Growing season
365 days
Compatible crops
28
Growing region
Southeast

Right now in Tampa

Week 18 priorities

On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →

Gardening in Tampa

Tampa's zone 10a offers near year-round frost freedom. Hard freezes, with average annual minimum temperatures between 30-35°F, are rare, occurring perhaps once per decade. The last spring frost typically arrives around January 20, and the first fall frost not until January 12 of the following year, yielding a 365-day growing season.

The real constraint is summer heat and humidity. June through September temperatures regularly exceed 90°F with high humidity, creating ideal conditions for fungal diseases: powdery mildew on squash, early blight on tomatoes, and anthracnose on peppers and fruit trees. Soil in some neighborhoods tends alkaline, requiring sulfur amendment for acid-loving crops. Coastal areas face salt spray stress.

Certainly, some crops thrive in this climate where they'd fail elsewhere. Figs fruit reliably without winter die-back. Asian persimmons produce under mild winter sun. Pomegranates and peppers prosper in the summer heat. Tomatoes perform better as a cool-season crop (October-April), while eggplant and okra excel in peak summer warmth. Even subtropical crops like goji berries succeed despite the warm winters.

Regional context · Southeast

What the Southeast brings to Tampa

Hot, humid, long growing season. Disease-resistant variety selection is the difference between a productive and a failed planting. Strong region for muscadines, blueberries, peaches, persimmons, figs, and warm-season vegetables.

Full Southeast guide →

Common challenges

Issues that most often defeat home gardeners in zone 10a, drawn from the broader USDA zone profile.

  • No chilling for traditional temperate fruit
  • Hurricane exposure
  • Heat-tolerant cultivars only

What defeats new gardeners in Tampa

Summer fungal disease pressure is the dominant challenge. High humidity combined with 90°F+ temperatures from June through September create ideal conditions for powdery mildew, early blight, and anthracnose. Weekly disease scouting and preventive sulfur sprays are not optional; they're essential for reliable harvests during these months.

A brief mid-January frost window catches unprepared gardeners. A freeze around January 15-20 can kill tender perennials like young citrus or lemon trees if left unprotected. Even established trees benefit from frost cloth or mulch mounding in December.

Alkaline soil in parts of Tampa (pH 7.5+) locks up iron and manganese availability, causing chlorosis in acid-loving crops like blueberries. A soil test reveals the problem and guides sulfur amendments at planting time.

Crops that grow in Tampa

28 crops from our catalog match zone 10a, grouped by type.

Tree fruit

12 crops

See all 12 tree fruit for zone 10a →

Berries

3 crops

Nuts

1 crop

Vegetables

10 crops

See all 10 vegetables for zone 10a →

Herbs

2 crops

Plan the year

Planting calendar for Tampa

Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Tampa's local frost dates.

Week ? · loading

This week in Tampa, FL (zone 10a)

Quiet week in Tampa, FL (zone 10a). this week is a good time to step back and plan ahead.

Nothing critical on the calendar this week.

147 bars · 28 crops

Filter

Calendar logic combines NOAA frost normals with crop-specific timing data. Local microclimate and weather always overrules the calendar; use this as a starting point.

Top pests for zone 10a

Ranked by how many crops in your zone they affect. Click through for IPM controls and signs to watch for.

All pests →

Top diseases for zone 10a

Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.

Capnodium sp. 01 (sooty-mold)
Sooty Mold fungal

Capnodium spp.

Black fungal coating that grows on honeydew secreted by aphids, scale, mealybugs, and whiteflies. Doesn't infect plant tissue directly but blocks photosynthesis and disfigures fruit.

Tobacco mosaic virus symptoms tobacco (mosaic-virus)
Mosaic Virus viral

Cucumber mosaic virus, Tobacco mosaic virus, and others

Family of plant viruses producing mottled yellow-and-green leaf patterns. Vectored primarily by aphids; some are seed-transmitted or spread by handling tools and tobacco products.

Blossom end rot tomato 2017 A (blossom-end-rot)
Blossom End Rot physiological

Calcium deficiency physiological disorder

Not a true disease but a calcium-uptake disorder caused by inconsistent soil moisture during fruit development. The dominant cause of damaged first-fruit on home tomato plantings.

Taro- Southern blight caused by Sclerotium rolfsii (southern-blight)
Southern Blight fungal

Sclerotium rolfsii

Soil-borne fungal disease most damaging in warm humid Southern conditions. White mycelial fans and small mustard-seed-sized sclerotia at the soil line are diagnostic.

Seedlings - Flickr - peganum (3) (damping-off)
Damping Off fungal

Pythium and Rhizoctonia species

Soil-borne complex of water molds and fungi that kill seedlings before or shortly after emergence. The single most common cause of seed-starting failures.

Fusarium oxysporum f. sp. cubense race 1 (24607024387) (fusarium-wilt-tomato)
Fusarium Wilt fungal

Fusarium oxysporum

Soil-borne fungal disease that plugs vascular tissue and kills affected plants. Persists in soil for many years; impossible to eliminate once established.

Bitter rot (mango-anthracnose)
Mango Anthracnose fungal

Colletotrichum gloeosporioides

Most damaging mango disease worldwide. Fungal spores infect blossoms and developing fruit during humid weather, producing black sunken lesions that expand on ripening fruit.

Erysiphe alphitoides (Oak powdery mildew) - Flickr - S. Rae (powdery-mildew-vegetable)
Vegetable Powdery Mildew fungal

Multiple species (Erysiphales)

Surface-feeding fungal disease producing white powdery growth on leaves and stems. Reduces yield by stealing photosynthate and accelerating senescence.

All diseases →

Companion planting suggestions

Beneficial pairings drawn from companion data, filtered to crops that grow in zone 10a.

All companion pairs →

Soil types reference

Soil texture and pH decide what grows easily on your specific lot. Find the closest match below for crop recommendations and amendment guidance.

Practical tips for Tampa

  1. Plant tomatoes as a cool-season crop. Start seeds indoors in late August so transplants are ready by mid-September. Target an October-April harvest when temperatures stay below 85°F. Summer heat in Tampa causes fruit sunscald and drop; avoid June-August tomato planting.
  1. Scout for fungal diseases weekly from June through September. Early detection of powdery mildew or leaf spots, treated immediately with sulfur spray, prevents crop failure. In Tampa's humidity, disease spreads rapidly; a one-week delay transforms a manageable problem into a loss.
  1. Wait until after January 20 to plant tender citrus and tropical perennials. Even though hard freezes are rare, the mid-January frost window poses real risk to newly planted, shallow-rooted trees. Established trees usually survive with mulch; new plantings lack root depth to weather a freeze.

Frequently asked questions

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What's the best vegetable to plant in Tampa right now?

It depends on the month. October-April favors tomatoes, leafy greens, peppers, and root crops. May-September shifts to heat-loving crops: okra, sweet potato, eggplant, and more peppers. The growing season is long enough for succession plantings of cool-season crops every 6-8 weeks.

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When should I start tomato seeds for a Tampa fall garden?

Start seeds indoors around August 25 to early September so transplants are ready by mid-September. This positions plants to fruit from October through April, when Tampa temperatures are mild and disease pressure is low. Summer tomatoes struggle with heat stress and early blight.

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Will my citrus freeze in Tampa?

Rarely. The average annual minimum is 30-35°F, and hard freezes below 28°F occur roughly once per decade. Established trees usually survive with mulch protection. New plantings lack root depth and should go in the ground after January 20 to avoid the brief frost window.

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What's the single biggest problem with growing food in Tampa?

Summer fungal disease pressure from June through September. High heat and humidity create perfect conditions for powdery mildew, early blight, and anthracnose. Preventive management, resistant varieties, good air flow, and regular sulfur sprays, is far easier than treatment once disease spreads.

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Can I grow peppers year-round in Tampa?

Technically yes, but not equally. Sweet and hot peppers are most productive June-September when heat peaks. Plant in spring, harvest summer-fall, then pull plants in late December to reset and replant in early spring for the next cycle.

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Is Tampa soil naturally good for gardening?

Soil varies by neighborhood. Some areas are naturally alkaline (pH 7.5+), locking up micronutrients and causing yellowing. A soil test is worth $20-30. If alkaline, work in sulfur at planting time, especially for acid-loving crops like blueberries or camellias.

Frost data: NOAA Climate Normals 1991-2020, station USW00012842. Local microclimates can shift these dates by a week or more.

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