Growing Borage in Zone 11b
Zone 11b has a year-round growing season. Borage can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.
Planting Calendar
Season: Jan 15 – Dec 31 (350 days)
When to Plant Borage in Zone 11b
Start Seeds Indoors: Dec 18
Start Borage seeds indoors around Dec 18 (4 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–14 days.
Transplant Outdoors: Jan 15
Transplant Borage seedlings outdoors after Jan 15. Wait until soil temperature reaches 50°F. Space plants at 18/sqft. Harden off plants for a week before moving outside.
Harvest: Mar 11
First harvest approximately Mar 11 (~55 days from planting). Continue harvesting until first frost (Dec 31).
Companion Planting
Borage in Other Zones
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13bFrequently Asked Questions
When should I plant Borage in Zone 11b?
Start Borage seeds indoors around Dec 18. Transplant outdoors after Jan 15. Expect first harvest around Mar 11.
What is the last frost date for Zone 11b?
The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.
Can I grow Borage in Zone 11b?
Yes. Borage needs 55 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.
What is the best month to plant Borage in Zone 11b?
The best time to start Borage in Zone 11b is Dec. Begin seeds indoors around Dec 18, then transplant outdoors after the last frost date of Jan 15.
What companion plants grow well with Borage?
Good companion plants for Borage include Strawberries, Tomatoes, Squash, Cucumbers.
How long does Borage take to harvest?
Borage takes approximately 55 days from planting to harvest. In Zone 11b, expect your first harvest around Mar 11.
Plan Your Borage Garden
Track Borage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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