Growing Mustard Greens in Zone 11b
Zone 11b has a year-round growing season. Mustard Greens 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) · Succession: plant every 2 weeks (up to 21x)
When to Plant Mustard Greens in Zone 11b
Start Seeds Indoors: Dec 18
Start Mustard Greens seeds indoors around Dec 18 (4 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–8 days.
Transplant Outdoors: Jan 1
Transplant Mustard Greens seedlings outdoors after Jan 1. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.
Harvest: Feb 15
First harvest approximately Feb 15 (~45 days from planting). Continue harvesting until first frost (Dec 31).
Fall Planting: Nov 19
For a fall harvest, plant Mustard Greens around Nov 19 (6 weeks before first frost).
Mustard Greens 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 Mustard Greens in Zone 11b?
Start Mustard Greens seeds indoors around Dec 18. Transplant outdoors after Jan 1. Expect first harvest around Feb 15.
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 Mustard Greens in Zone 11b?
Yes. Mustard Greens needs 45 days to harvest. Zone 11b has a 350-day growing season, which is sufficient. You can plant up to 21 successions.
What is the best month to plant Mustard Greens in Zone 11b?
The best time to start Mustard Greens in Zone 11b is Dec. Begin seeds indoors around Dec 18, then transplant outdoors after the last frost date of Jan 15.
How long does Mustard Greens take to harvest?
Mustard Greens takes approximately 45 days from planting to harvest. In Zone 11b, expect your first harvest around Feb 15.
Plan Your Mustard Greens Garden
Track Mustard Greens from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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