Growing Black-Eyed Susan in Zone 10b
Zone 10b has a year-round growing season. Black-Eyed Susan can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.
Planting Calendar
Season: Jan 28 – Dec 22 (328 days)
When to Plant Black-Eyed Susan in Zone 10b
Start Seeds Indoors: Dec 3
Start Black-Eyed Susan seeds indoors around Dec 3 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 10–21 days.
Transplant Outdoors: Jan 28
Transplant Black-Eyed Susan seedlings outdoors after Jan 28. Wait until soil temperature reaches 55°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.
Harvest: Apr 28
First harvest approximately Apr 28 (~90 days from transplant). Continue harvesting until first frost (Dec 22). Black-Eyed Susan can overwinter in mild climates for continued harvest.
Black-Eyed Susan 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 Black-Eyed Susan in Zone 10b?
Start Black-Eyed Susan seeds indoors around Dec 3. Transplant outdoors after Jan 28. Expect first harvest around Apr 28.
What is the last frost date for Zone 10b?
The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.
Can I grow Black-Eyed Susan in Zone 10b?
Yes. Black-Eyed Susan needs 75 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.
What is the best month to plant Black-Eyed Susan in Zone 10b?
The best time to start Black-Eyed Susan in Zone 10b is Dec. Begin seeds indoors around Dec 3, then transplant outdoors after the last frost date of Jan 28.
How long does Black-Eyed Susan take to harvest?
Black-Eyed Susan takes approximately 75 days from planting to harvest. In Zone 10b, expect your first harvest around Apr 28.
Plan Your Black-Eyed Susan Garden
Track Black-Eyed Susan from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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