When to plant in Deltona, FL
USDA Zone 9bDeltona, Florida frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
A ~-14-day frost-free window makes Deltona a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Zone 9b is warm enough that Deltona can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in Deltona is now 6 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SANFORD · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Deltona’s own odds, recorded at SANFORD.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 6 | Feb 4 | Jan 8 | Dec 9 | Jan 6 | Feb 6 |
| 32°F | Feb 24 | Jan 26 | Dec 31 | Dec 20 | Jan 12 | Feb 10 |
| 28°F | Feb 6 | Jan 13 | Dec 25 | Dec 19 | Jan 11 | Feb 5 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Deltona, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Deltona planting FAQ
When is the last spring frost in Deltona, FL?
Deltona's average last spring frost falls near January 26 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Deltona, FL?
Expect Deltona's first fall frost near January 12 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Deltona in?
Deltona is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Deltona?
There are roughly -14 frost-free days in Deltona (a short growing season), running from the average last frost around January 26 to the first fall frost near January 12.
When should I plant tomatoes in Deltona?
In Deltona, start tomato seeds indoors around December 1–December 15, then transplant seedlings outdoors around February 2 once the danger of frost has passed.
Never miss a window in Deltona
An email when it’s time to start seeds, transplant, and sow — timed to Deltona’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Orange City · 8 km
- DeBary · 11 km
- Sanford · 14 km
- DeLand · 15 km
- Lake Mary · 20 km
- Winter Springs · 25 km
- Longwood · 26 km
- Edgewater · 27 km
Frost dates recorded at SANFORD, 12 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Deltona, FL — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087982. Retrieved from https://blissgarden.com/florida/deltona.