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vegetableAnnualEdible
Winter Squash
Cucurbita maxima
Also known as: hubbard squash, kabocha squash
Long-season squash with hard rind grown to full maturity. Stores for months after curing. Includes hubbard and kabocha types.
Growing Requirements
SunFull Sun
WaterHigh
Soil Type
Soil Drainage
Soil pH
Plant Spacing36–48″
Row Spacing60–96″
Planting Depth0.5–1″
Height18–24″
Spread72–120″
✗ Not Container Friendly✗ Not Raised Bed Friendly
Planting Schedule
Start Indoors
3–4 weeks before last frost
Direct Sow (Spring)
1–9 weeks after last frost
Transplant Outdoors
1–9 weeks after last frost
Germination
5–10 days
Days to Harvest
85–110 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 3–11
Cannot overwinter outdoors
Cure in warm dry area for 10 days after harvest. Stores 3-6 months. Frost sensitive.
Companion Plants
No companion data available for this plant yet.