When to Plant Hyssop in Zone 5
In USDA zone 5, start seeds indoors around March 10, transplant or plant outdoors May 5 to August 3, and expect your first harvest around August 3.
Hyssop planting calendar for USDA Zone 5
Start seeds indoors
Mar 10
Transplant outdoors
May 5
Projected first harvest
Aug 3
Hyssop is ready to harvest in about 90 days. Dates use USDA zone 5a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 5 means for hyssop
Average last spring frost
May 5
Average first fall frost
October 1
Those two dates are what set the schedule above. Zone 5 gives you roughly 149 frost-free days, and hyssop need about 90 days to mature.
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 →