When to Plant Borage in Zone 3
In USDA zone 3, plant outdoors May 16 to July 15, and expect your first harvest around July 15.
Borage planting calendar for USDA Zone 3
Direct sow
May 16
Projected first harvest
Jul 15
Borage is ready to harvest in about 60 days. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 3 means for borage
Average last spring frost
May 30
Average first fall frost
September 10
Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and borage need about 60 days to mature.
Varieties to grow
1 variety of borage in the HomeSown library. Tap any for its full grow guide.
Common problems with borage
What to watch for, with identification and treatment for each
🌱 Grow borage 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 →