When to Plant Flax in Zone 9
In USDA zone 9, plant outdoors March 15 to June 23, and expect your first harvest around June 23.
Flax planting calendar for USDA Zone 9
Direct sow
Mar 15
Projected first harvest
Jun 23
Flax is ready to harvest in about 100 days. 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 flax
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 flax need about 100 days to mature.
Varieties to grow
1 variety of flax in the HomeSown library. Tap any for its full grow guide.
Common problems with flax
What to watch for, with identification and treatment for each
🌱 Grow flax 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 →