Plant Tomatoes in Zone 5b
Seed-starting, transplant & harvest dates for USDA Zone 5b
Start indoors
Mar 7
Transplant
May 9
Harvest (~75d)
Jul 23
In Zone 5b, the average last spring frost is around April. Tomatoes is a tender crop, so give it a head start indoors about 7 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 Tomatoes grow guide → · All crops for Zone 5b →
Frequently asked questions
When should I start tomatoes in Zone 5b?
Start tomatoes seeds indoors around Mar 7 (Zone 5b).
Can I direct sow tomatoes in Zone 5b?
Tomatoes is best started indoors and transplanted in Zone 5b rather than direct sown.