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When to Plant Squash (Winter) in Okaloosa County, FL

Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.

Okaloosa County, Florida is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 16, giving you a growing season of approximately 247 days.

At an elevation of 396 feet, Okaloosa County receives approximately 48.4 inches of rainfall annually with predominantly sand soil. Summer highs average 92ยฐF, providing good warmth for Squash (Winter) during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Squash (Winter) will need more frequent watering and organic matter to retain nutrients.

Okaloosa County, FL (Zone 8b) Long season
247 days
Last Spring Frost March 14
247 growing days
First Fall Frost November 16

Okaloosa County Soil Profile

Soil Type

Sand

Soil pH

4.9-5.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (96 days to spare)
Start indoors: Feb 6 Transplant: Mar 20 🍅 Harvest: Jun 12 – Aug 7
Recommended (50%) ✓ Fits season (93 days to spare)
Start indoors: Feb 14 Transplant: Mar 28 🍅 Harvest: Jun 20 – Aug 15
Safe Start (90%) ✓ Fits season (92 days to spare)
Start indoors: Mar 10 Transplant: Apr 21 🍅 Harvest: Jul 14 – Sep 8

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
0.6″/week
Watering frequency 1-2 times/week
Season total 1,258 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Squash (Winter) needs ~1,900 GDD — county provides 4,693 GDD Excellent fit

Squash (Winter) Planting Timeline โ€” Okaloosa County, FL

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors February 14 Feb 14 โ€“ Feb 28
Transplant Outdoors March 28 Mar 28 โ€“ Apr 11
Direct Sow March 21 Mar 21 โ€“ Apr 11
Harvest June 20 Jun 20 โ€“ Aug 15

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

247 days

Growing Tips for Okaloosa County

Direct sow after last frost on rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Squash (Winter) in Okaloosa County, FL?

Okaloosa County is in Zone 8b with an average last frost of March 14. Plan your Squash (Winter) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Okaloosa County, FL?

Okaloosa County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 16.

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Plan Your Garden with Confidence

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

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