When to Plant Burdock in Zone 7
In USDA zone 7a, plant outdoors April 1 to July 30, and expect your first harvest around July 30. (7a shown here — see 7a and 7b dates separately below.)
Burdock planting calendar for USDA Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Direct sow
Apr 1
Projected first harvest
Jul 30
Burdock is ready to harvest in about 120 days, needing roughly 188 frost-free days in zone 7a.
Burdock planting calendar for USDA Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Direct sow
Mar 27
Projected first harvest
Jul 25
Burdock is ready to harvest in about 120 days, needing roughly 203 frost-free days in zone 7b.
Not sure whether you're in 7a or 7b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of burdock in the HomeSown library. Tap any for its full grow guide.
Common problems with burdock
What to watch for, with identification and treatment for each
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