Plant Basil in Zone 9a
Seed-starting, transplant & harvest dates for USDA Zone 9a
Start indoors
Jan 18
Transplant
Mar 15
Direct sow
Mar 15
Harvest (~60d)
May 14
In Zone 9a, the average last spring frost is around March. 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
Mar 1
First fall frost
Nov 30
Growing season
274 days
Full Basil grow guide → · All crops for Zone 9a →
Frequently asked questions
When should I start basil in Zone 9a?
Start basil seeds indoors around Jan 18 (Zone 9a).
Can I direct sow basil in Zone 9a?
Yes, direct sow around Mar 15.