When to plant in Green Cove Springs, FL
USDA Zone 9bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Green Cove Springs, Florida — all computed from Green Cove Springs's nearest NOAA weather station.
A ~-27-day frost-free window makes Green Cove Springs a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Green Cove Springs's nearest full-normals station sits about 28 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. In zone 9b, frost is a minor factor for Green Cove Springs — most perennials thrive, and annual vegetables can go out early and stay late.
The average first fall frost in Green Cove Springs is now 15 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
JACKSONVILLE NAS · 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 Green Cove Springs’s own odds, recorded at JACKSONVILLE NAS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 15 | Feb 18 | Jan 20 | Nov 20 | Dec 17 | Jan 22 |
| 32°F | Mar 3 | Feb 1 | Dec 31 | Dec 3 | Jan 5 | Feb 6 |
| 28°F | Feb 19 | Jan 22 | Dec 28 | Dec 19 | Jan 14 | Feb 12 |
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 Green Cove Springs, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 32 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.
Green Cove Springs planting FAQ
When is the last spring frost in Green Cove Springs, FL?
On average, the last spring frost in Green Cove Springs is around February 1 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Green Cove Springs, FL?
In Green Cove Springs, the first 32°F freeze of fall lands around January 5 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Green Cove Springs in?
Green Cove Springs is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Green Cove Springs?
Green Cove Springs has about -27 frost-free days — a short growing season — between the average last spring frost (February 1) and first fall frost (January 5).
When should I plant tomatoes in Green Cove Springs?
For Green Cove Springs, sow tomatoes indoors about December 7–December 21 and move the seedlings out around February 8, after the last spring frost.
Never miss a window in Green Cove Springs
An email when it’s time to start seeds, transplant, and sow — timed to Green Cove Springs’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Asbury Lake · 12 km
- Fleming Island · 13 km
- Fruit Cove · 14 km
- World Golf Village · 18 km
- Lakeside · 19 km
- Bellair-Meadowbrook Terrace · 22 km
- Middleburg · 22 km
- Oakleaf Plantation · 26 km
Frost dates recorded at JACKSONVILLE NAS, 28 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 Green Cove Springs, FL — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093837. Retrieved from https://blissgarden.com/florida/green-cove-springs.