When to Plant Flax in Missouri
Missouri spans USDA hardiness 5b to 8a (zones 5b to 8a on this page). Plant flax by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a
Flax planting calendar for Missouri, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Direct sow
May 14
Projected first harvest
Aug 22
Flax is ready to harvest in about 100 days. Full zone 5 guide (both 5a and 5b) →
Flax planting calendar for Missouri, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
May 9
Projected first harvest
Aug 17
Flax is ready to harvest in about 100 days. Full zone 6 guide (both 6a and 6b) →
Flax planting calendar for Missouri, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
May 4
Projected first harvest
Aug 12
Flax is ready to harvest in about 100 days. Full zone 6 guide (both 6a and 6b) →
Flax planting calendar for Missouri, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Direct sow
Apr 29
Projected first harvest
Aug 7
Flax is ready to harvest in about 100 days. Full zone 7 guide (both 7a and 7b) →
Flax planting calendar for Missouri, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Direct sow
Apr 24
Projected first harvest
Aug 2
Flax is ready to harvest in about 100 days. Full zone 7 guide (both 7a and 7b) →
Flax planting calendar for Missouri, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Direct sow
Apr 15
Projected first harvest
Jul 24
Flax is ready to harvest in about 100 days. Full zone 8 guide (both 8a and 8b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
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
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