When to Plant Hyssop in North Carolina
North Carolina spans USDA hardiness 6b to 9a (zones 6b to 9a on this page). Plant hyssop 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 · Zone 8b · Zone 9a
Hyssop planting calendar for North Carolina, 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 19
Hyssop is ready to harvest in about 90 days. Full zone 6 guide (both 6a and 6b) →
Hyssop planting calendar for North Carolina, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Start seeds indoors
Feb 18
Transplant outdoors
Apr 15
Projected first harvest
Jul 14
Hyssop is ready to harvest in about 90 days. Full zone 7 guide (both 7a and 7b) →
Hyssop planting calendar for North Carolina, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Start seeds indoors
Feb 13
Transplant outdoors
Apr 10
Projected first harvest
Jul 9
Hyssop is ready to harvest in about 90 days. Full zone 7 guide (both 7a and 7b) →
Hyssop planting calendar for North Carolina, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Start seeds indoors
Feb 4
Transplant outdoors
Apr 1
Projected first harvest
Jun 30
Hyssop is ready to harvest in about 90 days. Full zone 8 guide (both 8a and 8b) →
Hyssop planting calendar for North Carolina, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Start seeds indoors
Jan 23
Transplant outdoors
Mar 20
Projected first harvest
Jun 18
Hyssop is ready to harvest in about 90 days. Full zone 8 guide (both 8a and 8b) →
Hyssop planting calendar for North Carolina, Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Start seeds indoors
Jan 4
Transplant outdoors
Mar 1
Projected first harvest
May 30
Hyssop is ready to harvest in about 90 days. Full zone 9 guide (both 9a and 9b) →
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 hyssop in the HomeSown library. Tap any for its full grow guide.
Common problems with hyssop
What to watch for, with identification and treatment for each
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