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When to Plant Kabocha in Centre County, PA

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.

Centre County, Pennsylvania is in USDA Zone 6b. The average last spring frost is April 26 and the first fall frost is October 24, giving you a growing season of approximately 181 days.

At an elevation of 1,105 feet, Centre County receives approximately 45.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Kabocha during the growing season.

Centre County, PA (Zone 6b) Moderate season
181 days
Last Spring Frost April 26
181 growing days
First Fall Frost October 24

Centre County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Kabocha Planting Timeline — Centre County, PA

Kabocha Planting Calendar

Activity When Date Range
Start Indoors March 22 Mar 22 – Apr 5
Transplant Outdoors May 10 May 10 – May 24
Direct Sow May 3 May 3 – May 24
Harvest August 9 Aug 9 – Sep 6

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

85–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

181 days in Centre County

Growing Tips for Centre 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Kabocha in Centre County, PA?

Centre County is in Zone 6b with an average last frost of April 26. Plan your Kabocha planting based on this frost date — see the calendar above for exact timing.

What planting zone is Centre County, PA?

Centre County, Pennsylvania is in USDA Hardiness Zone 6b. The average last spring frost is April 26 and first fall frost is October 24.

🌱

Your Centre County Garden Planner — Free

A 22-page printable planner built for Centre County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.