When should I plant Borage in Zone 9b?

Direct sow Borage outdoors around Feb 24. Harvest around Apr 20.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Yes. Borage needs 55 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like Borage. Last frost: Mar 10. First frost: Nov 15.

Outdoor

Harvest

Feb 24Nov 15

Season: Mar 10 – Nov 15 (250 days)

Zone9b

Last FrostMar 10

First FrostNov 15

Season Length250 days

Days to Harvest55

SunFull Sun

Frost ToleranceLight

Spacing18/sqft

Direct sow Borage seeds outdoors around Feb 24. Soil temperature should be at least 50°F. Space at 18/sqft.

First harvest approximately Apr 20 (~55 days from planting). Continue harvesting until first frost (Nov 15).

✅ Strawberries✅ Tomatoes✅ Squash✅ Cucumbers

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Track Borage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.