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When to Plant Spinach in Gulf County, FL

Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.

Gulf County, Florida is in USDA Zone 8b. The average last spring frost is February 25 and the first fall frost is November 28, giving you a growing season of approximately 276 days.

At an elevation of 313 feet, Gulf County receives approximately 51.7 inches of rainfall annually with predominantly sand soil. Summer highs average 92ยฐF, providing good warmth for Spinach during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Spinach will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Spinach root diseases.

Gulf County, FL (Zone 8b) Year-round
276 days
Last Spring Frost February 25
276 growing days
First Fall Frost November 28

Gulf County Soil Profile

Soil Type

Sand

Soil pH

4.8-5.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (188 days to spare)
Start indoors: Jan 4 Transplant: Feb 8 🍅 Harvest: Mar 15 – May 17
Recommended (50%) ✓ Fits season (178 days to spare)
Start indoors: Jan 21 Transplant: Feb 25 🍅 Harvest: Apr 1 – Jun 3
Safe Start (90%) ✓ Fits season (179 days to spare)
Start indoors: Feb 10 Transplant: Mar 17 🍅 Harvest: Apr 21 – Jun 23

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 1,272 gal / 100 sq ft
Spinach needs ~808 GDD — county provides 5,263 GDD Excellent fit

Spinach Planting Timeline โ€” Gulf County, FL

Spinach Planting Calendar

Activity When Date Range
Start Indoors January 21 Jan 21 โ€“ Feb 4
Transplant Outdoors February 25 Feb 25 โ€“ Mar 11
Direct Sow February 11 Feb 11 โ€“ Mar 4
Fall Sowing September 19 Sep 19 โ€“ Oct 3
Harvest April 1 Apr 1 โ€“ Jun 3

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors Transplant Outdoors Direct Sow
March Transplant Outdoors Direct Sow
April Harvest
May Harvest
June Harvest
July โ€”
August โ€”
September Fall Sowing
October Fall Sowing
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

35โ€“50 days

Soil pH

6.5 โ€“ 7.5

USDA Zone

Zone 8b

Growing Season

276 days

Growing Tips for Gulf County

Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.

Companion Planting

Good Companions

Level Up Your Garden

๐ŸŒพ Save Your Own Spinach Seeds
Life Cycle Annual
Pollination Wind Pollinated
How to Collect Let plants bolt. Harvest seed stalks when seeds turn tan.
Storage Store airtight; viable 5 years at 35ยฐF, under 45% humidity.

Wind pollinated โ€” isolate 1/2 mile for purity. Easy to let bolt in heat.

Frequently Asked Questions

When should I plant Spinach in Gulf County, FL?

Gulf County is in Zone 8b with an average last frost of February 25. Plan your Spinach planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Gulf County, FL?

Gulf County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is February 25 and first fall frost is November 28.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Gulf County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Gulf County, FL. Local conditions may vary. Last updated: April 2026.