Frost Dates & Planting Calendar for Deltona, FL

Plan your garden around Deltona, FL's typical frost-free growing season, using NOAA climate normals and a 42-crop planting calendar built for this location.

Last Spring Frost
January 26
Safe Feb 24 Typical Jan 26 Risky Dec 31
First Fall Frost
January 12
Safe Dec 20 Typical Jan 12 Risky Feb 10
Growing Season
359 days
Typical last frost to typical first frost.
USDA Hardiness Zone
Zone 9b
Subtropical to frost-free — heat, not cold, is the main limit on what you can grow.
Data: NOAA station SANFORD, FL US, 9.6 km away.
days until the typical last spring frost

Monthly Temperatures

Monthly normal temperatures (°F) 40°50°60°70°80°90°100° JFMAMJJASOND
Avg. high Avg. temp Avg. low

Planting Calendar

Vegetables
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Tomato Dec 1 – Dec 15 Feb 2 – Feb 9 60–85 days Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.
Pepper Nov 17 – Dec 1 Feb 2 – Feb 16 60–90 days Slow to germinate; start indoors 8-10 weeks before last frost. Transplant only once nights stay above 55F, 1-3 weeks after last frost.
Eggplant Nov 17 – Dec 1 Feb 9 – Feb 16 65–85 days Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant.
Cucumber Dec 29 – Jan 5 Feb 2 – Feb 9 Feb 2 – Feb 9 50–65 days Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.
Zucchini Jan 5 – Jan 12 Feb 2 – Feb 16 Feb 2 – Feb 9 45–55 days Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.
Winter Squash Dec 29 – Jan 5 Feb 2 – Feb 16 Feb 2 – Feb 9 80–110 days Long season; direct sow after soil warms, or start indoors 3-4 weeks before last frost in short-season climates.
Pumpkin Feb 2 – Feb 16 90–120 days Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it.
Watermelon Dec 29 – Jan 5 Feb 9 – Feb 16 70–90 days Needs warm soil (65F+); start indoors 3-4 weeks before last frost, transplant 2-3 weeks after last frost.
Cantaloupe Dec 29 – Jan 5 Feb 9 – Feb 16 70–90 days Same warm-soil requirements as watermelon; avoid disturbing roots when transplanting.
Corn Jan 26 – Feb 9 60–100 days Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Green Bean Jan 26 – Feb 9 50–65 days Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush.
Pea Dec 15 – Dec 29 55–70 days Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Lettuce Dec 29 – Jan 12 Nov 17 – Dec 1 45–60 days Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.
Spinach Dec 15 – Dec 29 Nov 17 – Dec 1 40–50 days Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Kale Dec 29 – Jan 12 Nov 3 – Nov 17 50–65 days Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.
Arugula Dec 29 – Jan 12 Dec 1 – Dec 8 30–40 days Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks.
Swiss Chard Jan 5 – Jan 19 50–60 days Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Broccoli Dec 8 – Dec 22 Jan 5 – Jan 12 Nov 10 – Nov 17 55–80 days Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).
Cauliflower Dec 8 – Dec 22 Jan 12 – Jan 19 Nov 3 – Nov 10 55–85 days Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.
Cabbage Dec 8 – Dec 22 Dec 29 – Jan 12 Nov 3 – Nov 17 60–100 days Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.
Brussels Sprouts Dec 8 – Dec 22 Jan 5 – Jan 19 90–110 days Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.
Carrot Dec 29 – Jan 12 Oct 20 – Nov 3 60–80 days Direct sow only (does not transplant); sow 2-4 weeks before last frost, as soon as soil can be worked.
Beet Dec 29 – Jan 12 Nov 3 – Nov 17 50–65 days Direct sow 2-4 weeks before last frost; tolerates light frost.
Radish Dec 22 – Jan 5 Dec 1 – Dec 15 22–30 days Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Turnip Dec 29 – Jan 12 Nov 3 – Nov 17 40–60 days Cold-hardy; direct sow 2-4 weeks before last frost.
Onion Nov 17 – Dec 1 Dec 29 – Jan 12 90–120 days Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings.
Garlic Dec 15 – Dec 29 240–270 days Fall-planted crop only; not planted in spring in most climates.
Potato Dec 29 – Jan 12 70–120 days Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.
Sweet Potato Feb 9 – Feb 23 90–120 days Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Asparagus Dec 29 – Jan 12 730–1095 days Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.
Herbs
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Basil Dec 15 – Dec 22 Feb 2 – Feb 9 50–70 days Very frost/cold sensitive; start indoors 5-6 weeks before last frost, transplant only after all danger of frost (1-2 weeks after) and nights stay warm.
Cilantro Jan 5 – Jan 19 Nov 17 – Dec 1 45–70 days Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring.
Parsley Dec 1 – Dec 15 Jan 12 – Jan 19 70–90 days Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).
Dill Jan 5 – Jan 19 40–60 days Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer.
Oregano Dec 1 – Dec 15 Jan 26 – Feb 2 80–90 days Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date.
Thyme Dec 1 – Dec 15 Jan 26 – Feb 2 85–95 days Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost.
Flowers
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Sunflower Feb 2 – Feb 16 70–100 days Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting.
Zinnia Dec 29 – Jan 5 Feb 2 – Feb 16 Feb 2 – Feb 9 60–70 days Frost-tender; direct sow 1-3 weeks after last frost, or start indoors 3-4 weeks early for earlier blooms.
Marigold Dec 15 – Dec 29 Feb 2 – Feb 9 45–60 days Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed.
Cosmos Dec 29 – Jan 5 Feb 2 – Feb 16 Feb 2 – Feb 9 60–90 days Easy from direct seed 1-3 weeks after last frost; can also start indoors 3-4 weeks early.
Nasturtium Feb 2 – Feb 16 50–65 days Frost-tender, resents root disturbance; direct sow 1-3 weeks after last frost once soil has warmed.
Dahlia Feb 2 – Feb 16 90–120 days Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive.

Date ranges are estimates based on university extension guidelines and this city's NOAA frost normals — not a guarantee. Scroll to see all columns on narrow screens.

Frequently Asked Questions

When is the last frost in Deltona, FL?

Based on 1991–2020 NOAA climate normals for the SANFORD, FL US station, the last spring frost in Deltona typically falls around January 26. A cautious gardener might wait until February 24 (only a 10% chance of a later frost), while December 31 marks an earlier, higher-risk planting date.

When is the first frost in Deltona, FL in fall?

The first fall frost in Deltona typically arrives around January 12. To stay safe, assume frost could start as early as December 20; in milder years it can hold off until February 10.

How long is the growing season in Deltona, FL?

Deltona's average frost-free growing season is about 359 days, running from the typical last spring frost (January 26) to the typical first fall frost (January 12).

What USDA hardiness zone is Deltona, FL in?

Deltona, FL is in USDA plant hardiness zone 9b, per the USDA's 2023 Plant Hardiness Zone Map. Subtropical to frost-free — heat, not cold, is the main limit on what you can grow.

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