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When to Plant Kabocha in Alachua County, FL

Kabocha is a Japanese winter squash with an exceptionally sweet, dense, chestnut-like flesh and dark green skin. It is a favorite in Asian cuisine for its rich, dry texture.

Alachua County, Florida is in USDA Zone 9a. The average last spring frost is February 23 and the first fall frost is November 27, giving you a growing season of approximately 277 days.

At an elevation of 398 feet, Alachua County receives approximately 50 inches of rainfall annually with predominantly sand soil. Summer highs average 99ยฐF, so Kabocha may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Kabocha will need more frequent watering and organic matter to retain nutrients.

Alachua County, FL (Zone 9a) Year-round
277 days
Last Spring Frost February 23
277 growing days
First Fall Frost November 27

Alachua County Soil Profile

Soil Type

Sand

Soil pH

5.2-6.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (152 days to spare)
Start indoors: Jan 17 Transplant: Feb 21 🍅 Harvest: May 23 – Jun 20
Recommended (50%) ✓ Fits season (151 days to spare)
Start indoors: Jan 26 Transplant: Mar 2 🍅 Harvest: Jun 1 – Jun 29
Safe Start (90%) ✓ Fits season (145 days to spare)
Start indoors: Feb 24 Transplant: Mar 31 🍅 Harvest: Jun 30 – Jul 28

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
0.7″/week
Watering frequency 1-2 times/week
Season total 1,617 gal / 100 sq ft
Drought risk

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

Kabocha needs ~2,243 GDD — county provides 6,741 GDD Excellent fit

Kabocha Planting Timeline โ€” Alachua County, FL

Kabocha Planting Calendar

Activity When Date Range
Start Indoors January 26 Jan 26 โ€“ Feb 9
Transplant Outdoors March 2 Mar 2 โ€“ Mar 16
Direct Sow February 23 Feb 23 โ€“ Mar 16
Harvest June 1 Jun 1 โ€“ Jun 29

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

85โ€“100 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 9a

Growing Season

277 days

Growing Tips for Alachua County

Direct sow after frost or start indoors. Harvest when the skin is hard and dull. The stem should be dry and corky. Stores well for 3-4 months in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Kabocha in Alachua County, FL?

Alachua County is in Zone 9a with an average last frost of February 23. Plan your Kabocha planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Alachua County, FL?

Alachua County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is February 23 and first fall frost is November 27.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Alachua County gardeners in Zone 9a 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 Alachua County, FL. Local conditions may vary. Last updated: April 2026.