When to Plant Watercress in Zone 9
In USDA zone 9, plant outdoors February 15 to April 6, and expect your first harvest around April 6.
Watercress planting calendar for USDA Zone 9
Direct sow
Feb 15
Projected first harvest
Apr 6
Watercress is ready to harvest in about 50 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 watercress
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 watercress need about 50 days to mature.
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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