Plant Squash (winter) in Zone 5a
Seed-starting, transplant & harvest dates for USDA Zone 5a
Start indoors
Apr 9
Transplant
May 14
Direct sow
May 14
Harvest (~95d)
Aug 17
In Zone 5a, the average last spring frost is around April. Squash (winter) is a tender crop, so give it a head start indoors about 3 weeks before that, then move it out after frost danger passes.
Last spring frost
Apr 30
First fall frost
Oct 3
Growing season
156 days
Full Squash (winter) grow guide → · All crops for Zone 5a →
Frequently asked questions
When should I start squash (winter) in Zone 5a?
Start squash (winter) seeds indoors around Apr 9 (Zone 5a).
Can I direct sow squash (winter) in Zone 5a?
Yes, direct sow around May 14.