Plant Zucchini in Zone 5b
Seed-starting, transplant & harvest dates for USDA Zone 5b
Start indoors
Apr 4
Transplant
May 9
Direct sow
May 9
Harvest (~55d)
Jul 3
In Zone 5b, the average last spring frost is around April. Zucchini 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 25
First fall frost
Oct 8
Growing season
166 days
Full Zucchini grow guide → · All crops for Zone 5b →
Frequently asked questions
When should I start zucchini in Zone 5b?
Start zucchini seeds indoors around Apr 4 (Zone 5b).
Can I direct sow zucchini in Zone 5b?
Yes, direct sow around May 9.