Local planting guide · Southeast
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.
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
zone 10a Fig
Ficus carica
zones 7a–10b
zone 10a Asian Persimmon
Diospyros kaki
zones 7a–10a
zone 10a Pomegranate
Punica granatum
zones 7b–10a
zone 10a Lemon
Citrus limon
zones 9a–11b
zone 10a Orange
Citrus sinensis
zones 9a–11b
zone 10a Lime
Citrus aurantiifolia
zones 9b–11b
zone 10a Grapefruit
Citrus paradisi
zones 9a–11b
zone 10a Avocado
Persea americana
zones 9b–11b
Berries
3 cropsNuts
1 cropVegetables
10 crops
zone 10a Tomato
Solanum lycopersicum
zones 3a–10b
zone 10a Sweet Pepper
Capsicum annuum
zones 4a–10b
zone 10a Hot Pepper
Capsicum species
zones 4a–10b
zone 10a Eggplant
Solanum melongena
zones 5a–10b
zone 10a Cucumber
Cucumis sativus
zones 3b–10a
zone 10a Summer Squash
Cucurbita pepo
zones 3b–10a
zone 10a Melon
Cucumis melo
zones 5a–10a
zone 10a Watermelon
Citrullus lanatus
zones 5b–10a
Herbs
2 cropsPlan 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
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.
Pseudococcidae spp.
Soft white waxy insects that cluster at leaf joints, fruit stems, and root crowns. Honeydew secretion supports sooty mold; root mealybugs cause decline that mimics drought.
Meloidogyne species
Microscopic soil-dwelling worm that forms galls on roots, reducing vigor and yield.
Multiple species (Aphididae)
Small soft-bodied sap-sucking insects that reproduce explosively in spring. Excrete honeydew that supports sooty mold and attracts ants. Transmit viral diseases.
Multiple species (Aleyrodidae)
Tiny white moth-like flying insects that feed on plant sap and excrete honeydew. Transmit numerous viral diseases including tomato yellow leaf curl virus.
Coccoidea spp.
Sap-sucking insects that attach to bark, leaves, and fruit, secreting honeydew that fuels sooty mold. Heavy infestations weaken trees and cause leaf yellowing.
Tetranychus urticae
Tiny mite that feeds on leaf undersides, causing stippling and webbing during hot dry weather.
Ceratitis capitata
Quarantine pest in many regions. Adult females puncture ripening fruit to lay eggs; larvae tunnel through the flesh, causing premature drop and rot.
Multiple species (Chrysomelidae)
Tiny black or bronze jumping beetles that put hundreds of small holes in seedling leaves. Most damaging on direct-seeded brassicas and young eggplant.
Top diseases for zone 10a
Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.
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.
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.
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.
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.
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
Soil-borne fungal disease that plugs vascular tissue and kills affected plants. Persists in soil for many years; impossible to eliminate once established.
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.
Multiple species (Erysiphales)
Surface-feeding fungal disease producing white powdery growth on leaves and stems. Reduces yield by stealing photosynthate and accelerating senescence.
Companion planting suggestions
Beneficial pairings drawn from companion data, filtered to crops that grow in zone 10a.
- Fig + Rosemary
Rosemary tolerates the dry sites figs prefer and provides aromatic pest deterrence.
- Tomato + Basil
The classic Italian pairing. Basil's volatile oils are reported to repel hornworms and whiteflies, and the two crops share the same warm-season schedule and water needs. Plant basil between tomato cages.
- Sweet Pepper + Basil
Same warm-season culture, same watering schedule. Basil reportedly improves pepper flavor and repels aphids and thrips that are pepper's primary pests.
- Hot Pepper + Basil
Compatible heat-loving culture, similar water needs. Basil interplanted between hot pepper plants supports beneficial insects and reduces aphid pressure.
- Okra + Hot Pepper
Both heat-loving warm-season crops with similar water and fertility needs. Hot pepper at okra's base benefits from the slight afternoon shade in extreme summer heat.
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
- 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.
- 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.
- 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
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
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Frost data: NOAA Climate Normals 1991-2020, station USW00012842. Local microclimates can shift these dates by a week or more.
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