Sweet, nutty winter squash with excellent storage capabilities. Vining plant that needs space but rewards patience with a large harvest that stores for months.
Planting calendar
Start seeds indoors
3 weeks before your last spring frost.
Direct sow / transplant
2 weeks after your last spring frost.
Needs long warm season; cure in sun for 10 days after harvest for storage
Spacing & harvest
Plant spacing: 36-48 inches
Row spacing: 72-96 inches
Days to harvest: 85-110 days
Ready when: Hard rind that resists thumbnail puncture, tan skin color, dried stem; leave 2 inches of stem attached
Companion planting
Plant near
Corn — Three Sisters planting provides shade and wind protection
Green Bean — Fixes nitrogen in Three Sisters combination
Potato — Both heavy feeders competing for nutrients
Get butternut squash planting dates for your exact zone
Lawn Guardian turns this guidance into a schedule timed to your USDA zone and this week's actual weather — and adapts every time you log what you've done.