DibbleGrowing borage: from seed to harvest
Sow directly once the soil is workable and the weather is mild; borage resents transplanting and self-sows freely. A pollinator magnet with edible blue flowers.
Planting dates for borage by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | April 30 | June 23 |
| Zone 4 | not needed | April 24 | June 16 |
| Zone 5 | not needed | April 16 | June 8 |
| Zone 6 | not needed | April 7 | June 2 |
| Zone 7 | not needed | March 19 | May 15 |
| Zone 8 | not needed | February 5 | March 23 |
| Zone 9 | not needed | September 23 | February 25 |
| Zone 10 | not needed | September 18 | February 25 |
| Zone 11 | not needed | November 9 | February 25 |
Each date is the start of the best window from the same climate engine the Dibble app uses, run at typical places in each zone. Dibble tunes them to your garden's own location 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 plant
Questions
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 set where your garden is to get your own calendar.
How long does it take to grow borage?
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.