Plant Basil in Zone 3b
Seed-starting, transplant & harvest dates for USDA Zone 3b
Start indoors
Apr 1
Transplant
May 27
Direct sow
May 27
Harvest (~60d)
Jul 26
In Zone 3b, the average last spring frost is around May. Basil is a tender crop, so give it a head start indoors about 6 weeks before that, then move it out after frost danger passes.
Last spring frost
May 13
First fall frost
Sep 18
Growing season
128 days
Full Basil grow guide → · All crops for Zone 3b →
Frequently asked questions
When should I start basil in Zone 3b?
Start basil seeds indoors around Apr 1 (Zone 3b).
Can I direct sow basil in Zone 3b?
Yes, direct sow around May 27.