Growing Borage in Zone 8a
Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Borage. Last frost: Apr 5. First frost: Oct 28.
Planting Calendar
Season: Apr 5 – Oct 28 (206 days)
When to Plant Borage in Zone 8a
Start Seeds Indoors: Mar 8
Start Borage seeds indoors around Mar 8 (4 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–14 days.
Transplant Outdoors: Apr 5
Transplant Borage seedlings outdoors after Apr 5. Wait until soil temperature reaches 50°F. Space plants at 18/sqft. Harden off plants for a week before moving outside.
Harvest: May 30
First harvest approximately May 30 (~55 days from planting). Continue harvesting until first frost (Oct 28).
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 8a?
Start Borage seeds indoors around Mar 8. Transplant outdoors after Apr 5. Expect first harvest around May 30.
What is the last frost date for Zone 8a?
The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.
Can I grow Borage in Zone 8a?
Yes. Borage needs 55 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.
What is the best month to plant Borage in Zone 8a?
The best time to start Borage in Zone 8a is Mar. Begin seeds indoors around Mar 8, then transplant outdoors after the last frost date of Apr 5.
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 8a, expect your first harvest around May 30.
Plan Your Borage Garden
Track Borage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Borage Growing Guide