When to Plant Watercress in New Jersey
New Jersey spans USDA hardiness 6b to 8a (zones 6b to 8a on this page). Plant watercress by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 6b · Zone 7a · Zone 7b · Zone 8a
Watercress planting calendar for New Jersey, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
Apr 6
Projected first harvest
May 26
Watercress is ready to harvest in about 50 days. Full zone 6 guide (both 6a and 6b) →
Watercress planting calendar for New Jersey, 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. Full zone 7 guide (both 7a and 7b) →
Watercress planting calendar for New Jersey, 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. Full zone 7 guide (both 7a and 7b) →
Watercress planting calendar for New Jersey, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Direct sow
Mar 18
Projected first harvest
May 7
Watercress is ready to harvest in about 50 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 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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