When to plant Borage
Direct sow around last frost, borage resents transplanting and self-sows freely. A pollinator magnet with edible blue flowers.
When to plant Borage by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | May 15 | July 9 |
| Zone 4 | not needed | May 10 | July 4 |
| Zone 5 | not needed | April 30 | June 24 |
| Zone 6 | not needed | April 21 | June 15 |
| Zone 7 | not needed | April 10 | June 4 |
| Zone 8 | not needed | March 28 | May 22 |
| Zone 9 | not needed | March 1 | April 25 |
| Zone 10 | not needed | January 31 | March 27 |
| Zone 11 | not needed | January 1 | February 25 |
These dates use typical frost dates for each zone. Dibble tunes them to your exact ZIP and lets you adjust frost dates for your own yard.
Companion plants
Good neighbors for Borage:
Family and rotation
Borage is in the borage family family. Borage self-sows and draws pollinators, let it pop up among fruiting crops. Learn about crop rotation.
Related crops
Dahlia
When to plantZinnia
When to plantSunflower
When to plantMarigold
When to plantTulip
When to plantCosmos
When to plantQuestions
When should I plant borage?
It depends on your zone. Borage is a half-hardy crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and enter your ZIP to get your own calendar.
How long does borage take to grow?
About 55 days from sowing to the first harvest, with a picking window of roughly 90 days after that.
What grows well with borage?
Good companions include Tomato, squash, Strawberry.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.