Plant Onions in Zone 7a
Seed-starting, transplant & harvest dates for USDA Zone 7a
Start indoors
Jan 30
Transplant
Mar 27
Harvest (~100d)
Jul 5
In Zone 7a, the average last spring frost is around April. Onions is a hardy crop, so give it a head start indoors about 10 weeks before that, then move it out after frost danger passes.
Last spring frost
Apr 10
First fall frost
Oct 25
Growing season
198 days
Full Onions grow guide → · All crops for Zone 7a →
Frequently asked questions
When should I start onions in Zone 7a?
Start onions seeds indoors around Jan 30 (Zone 7a).
Can I direct sow onions in Zone 7a?
Onions is best started indoors and transplanted in Zone 7a rather than direct sown.