Growing Lemongrass in Zone 10b
Zone 10b has a year-round growing season. Lemongrass 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 Lemongrass in Zone 10b
Start Seeds Indoors: Dec 3
Start Lemongrass seeds indoors around Dec 3 (8 weeks before last frost). Optimal germination temperature: 80°F. Germinates in 14–21 days.
Transplant Outdoors: Feb 18
Transplant Lemongrass seedlings outdoors after Feb 18. Wait until soil temperature reaches 65°F. Space plants at 24/sqft. Harden off plants for a week before moving outside.
Harvest: May 4
First harvest approximately May 4 (~75 days from transplant). Continue harvesting until first frost (Dec 22).
Lemongrass 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 Lemongrass in Zone 10b?
Start Lemongrass seeds indoors around Dec 3. Transplant outdoors after Feb 18. Expect first harvest around May 4.
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 Lemongrass in Zone 10b?
Yes. Lemongrass needs 120 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.
What is the best month to plant Lemongrass in Zone 10b?
The best time to start Lemongrass 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 Lemongrass take to harvest?
Lemongrass takes approximately 120 days from planting to harvest. In Zone 10b, expect your first harvest around May 4.
Plan Your Lemongrass Garden
Track Lemongrass from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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