When to Plant Lettuce in Zone 9
In USDA zone 9, start seeds indoors around January 11, transplant or plant outdoors February 15 to April 11, and expect your first harvest around April 11. Zone 9 also has a fall planting window opening around September 22.
Lettuce planting calendar for USDA Zone 9
spring planting
Start seeds indoors
Jan 11
Transplant outdoors
Feb 15
Projected first harvest
Apr 11
fall planting
Direct sow
Sep 22
Projected first harvest
Nov 16
spring planting
fall planting
Most lettuce mature in about 45 to 85 days depending on the variety. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 9 means for lettuce
Average last spring frost
March 1
Average first fall frost
December 1
Those two dates are what set the schedule above. Zone 9 gives you roughly 275 frost-free days, and lettuce need about 45 to 85 days depending on the variety to mature.
Varieties to grow
12 varieties of lettuce in the HomeSown library. Tap any for its full grow guide.
Common problems with lettuce
What to watch for, with identification and treatment for each
🌱 Grow lettuce 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 →