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When to Plant Kabocha in Houston County, AL

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.

Houston County, Alabama is in USDA Zone 8a. The average last spring frost is March 6 and the first fall frost is November 19, giving you a growing season of approximately 258 days.

At an elevation of 230 feet, Houston County receives approximately 58.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97ยฐF, so Kabocha may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Kabocha, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Kabocha root diseases.

Houston County, AL (Zone 8a) Long season
258 days
Last Spring Frost March 6
258 growing days
First Fall Frost November 19

Houston County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (124 days to spare)
Start indoors: Jan 31 Transplant: Mar 14 🍅 Harvest: Jun 13 – Jul 11
Recommended (50%) ✓ Fits season (125 days to spare)
Start indoors: Feb 6 Transplant: Mar 20 🍅 Harvest: Jun 19 – Jul 17
Safe Start (90%) ✓ Fits season (130 days to spare)
Start indoors: Feb 27 Transplant: Apr 10 🍅 Harvest: Jul 10 – Aug 7

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
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 124 gal / 100 sq ft
Kabocha needs ~2,104 GDD — county provides 5,869 GDD Excellent fit

Kabocha Planting Timeline โ€” Houston County, AL

Kabocha Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 โ€“ Feb 20
Transplant Outdoors March 20 Mar 20 โ€“ Apr 3
Direct Sow March 13 Mar 13 โ€“ Apr 3
Harvest June 19 Jun 19 โ€“ Jul 17

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 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 8a

Growing Season

258 days

Growing Tips for Houston 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 Houston County, AL?

Houston County is in Zone 8a with an average last frost of March 6. Plan your Kabocha planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Houston County, AL?

Houston County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 6 and first fall frost is November 19.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Houston County gardeners in Zone 8a 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 Houston County, AL. Local conditions may vary. Last updated: April 2026.