When to Plant Lamb's Quarter in Wisconsin
Wisconsin spans USDA hardiness 4a to 6a (zones 4a to 6a on this page). Plant lamb's quarter by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a
Lamb's Quarter planting calendar for Wisconsin, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Direct sow
May 22
Projected first harvest
Jul 11
Lamb's Quarter is ready to harvest in about 50 days. Full zone 4 guide (both 4a and 4b) →
Lamb's Quarter planting calendar for Wisconsin, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Direct sow
May 17
Projected first harvest
Jul 6
Lamb's Quarter is ready to harvest in about 50 days. Full zone 4 guide (both 4a and 4b) →
Lamb's Quarter planting calendar for Wisconsin, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Direct sow
May 12
Projected first harvest
Jul 1
Lamb's Quarter is ready to harvest in about 50 days. Full zone 5 guide (both 5a and 5b) →
Lamb's Quarter planting calendar for Wisconsin, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Direct sow
May 7
Projected first harvest
Jun 26
Lamb's Quarter is ready to harvest in about 50 days. Full zone 5 guide (both 5a and 5b) →
Lamb's Quarter planting calendar for Wisconsin, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
May 2
Projected first harvest
Jun 21
Lamb's Quarter is ready to harvest in about 50 days. Full zone 6 guide (both 6a and 6b) →
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 lamb's quarter in the HomeSown library. Tap any for its full grow guide.
Common problems with lamb's quarter
What to watch for, with identification and treatment for each
🌱 Grow lamb's quarter with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →