When to Plant Watercress in Zone 7
In USDA zone 7a, plant outdoors April 1 to May 21, and expect your first harvest around May 21. (7a shown here — see 7a and 7b dates separately below.)
Watercress 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
May 21
Watercress is ready to harvest in about 50 days, needing roughly 188 frost-free days in zone 7a.
Watercress 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
May 16
Watercress is ready to harvest in about 50 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 watercress in the HomeSown library. Tap any for its full grow guide.
Common problems with watercress
What to watch for, with identification and treatment for each
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