When to Plant Garlic Chives in New Hampshire
New Hampshire spans USDA hardiness 4a to 6b (zones 4a to 6b on this page). Plant garlic chives 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 · Zone 6b
Garlic Chives planting calendar for New Hampshire, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
Start seeds indoors
Mar 20
Transplant outdoors
May 15
Projected first harvest
Aug 3
Garlic Chives is ready to harvest in about 80 days. Full zone 4 guide (both 4a and 4b) →
Garlic Chives planting calendar for New Hampshire, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
Start seeds indoors
Mar 15
Transplant outdoors
May 10
Projected first harvest
Jul 29
Garlic Chives is ready to harvest in about 80 days. Full zone 4 guide (both 4a and 4b) →
Garlic Chives planting calendar for New Hampshire, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Start seeds indoors
Mar 10
Transplant outdoors
May 5
Projected first harvest
Jul 24
Garlic Chives is ready to harvest in about 80 days. Full zone 5 guide (both 5a and 5b) →
Garlic Chives planting calendar for New Hampshire, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Start seeds indoors
Mar 5
Transplant outdoors
Apr 30
Projected first harvest
Jul 19
Garlic Chives is ready to harvest in about 80 days. Full zone 5 guide (both 5a and 5b) →
Garlic Chives planting calendar for New Hampshire, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Start seeds indoors
Feb 28
Transplant outdoors
Apr 25
Projected first harvest
Jul 14
Garlic Chives is ready to harvest in about 80 days. Full zone 6 guide (both 6a and 6b) →
Garlic Chives planting calendar for New Hampshire, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Start seeds indoors
Feb 23
Transplant outdoors
Apr 20
Projected first harvest
Jul 9
Garlic Chives is ready to harvest in about 80 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 garlic chives in the HomeSown library. Tap any for its full grow guide.
Common problems with garlic chives
What to watch for, with identification and treatment for each
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