When to Plant African Blue Basil in Zone 9
In USDA zone 9a, start seeds indoors around January 18, transplant or plant outdoors March 15 to May 14, and expect your first harvest around May 14. (9a shown here — see 9a and 9b dates separately below.)
African Blue Basil planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Start seeds indoors
Jan 18
Transplant outdoors
Mar 15
Projected first harvest
May 14
African Blue Basil is ready to harvest in about 60 days, needing roughly 275 frost-free days in zone 9a.
African Blue Basil planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Start seeds indoors
Jan 4
Transplant outdoors
Mar 1
Projected first harvest
Apr 30
African Blue Basil is ready to harvest in about 60 days, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of african blue basil in the HomeSown library. Tap any for its full grow guide.
Common problems with african blue basil
What to watch for, with identification and treatment for each
🌱 Grow african blue basil with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →