When to Plant Hyssop in Zone 10
In USDA zone 10a, start seeds indoors around December 5, transplant or plant outdoors January 30 to April 30, and expect your first harvest around April 30. (10a shown here — see 10a and 10b dates separately below.)
Hyssop planting calendar for USDA Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
Start seeds indoors
Dec 5
Transplant outdoors
Jan 30
Projected first harvest
Apr 30
Hyssop is ready to harvest in about 90 days, needing roughly 334 frost-free days in zone 10a.
Hyssop planting calendar for USDA Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
Start seeds indoors
Dec 5
Transplant outdoors
Jan 30
Projected first harvest
Apr 30
Hyssop is ready to harvest in about 90 days, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? 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
🌱 Grow hyssop 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 →