When to plant borage

Hardy · tolerates frost

Borageis keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.

Borage planting timeline

Start indoors

3–4 wks before

Direct sow

0–2 wks after

Harvest

50–60 days later

-5 wksLAST SPRING FROST+10 wks

Hardy: tolerates frost and can go out a few weeks before the last spring frost.

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Borage planting FAQ

When should I start borage seeds indoors?

Start borage indoors 3–4 weeks before the last spring frost, so seedlings are ready to plant out once the weather warms.

Can I direct sow borage?

Yes — you can sow borage directly outdoors up to 2 weeks after the last spring frost.

How long does borage take to grow?

Borage takes about 50–60 days from sowing to harvest, depending on the variety and conditions.

Is borage frost-hardy?

Hardy: tolerates frost and can go out a few weeks before the last spring frost.

Planting reminders

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Planting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.