Growing Sorrel in Zone 9b
Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like Sorrel. Last frost: Mar 10. First frost: Nov 15.
Planting Calendar
Season: Mar 10 – Nov 15 (250 days)
When to Plant Sorrel in Zone 9b
Start Seeds Indoors: Jan 27
Start Sorrel seeds indoors around Jan 27 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 7–14 days.
Transplant Outdoors: Feb 24
Transplant Sorrel seedlings outdoors after Feb 24. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.
Harvest: Apr 10
First harvest approximately Apr 10 (~45 days from transplant). Continue harvesting until first frost (Nov 15). Sorrel can overwinter in mild climates for continued harvest.
Sorrel 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 Sorrel in Zone 9b?
Start Sorrel seeds indoors around Jan 27. Transplant outdoors after Feb 24. Expect first harvest around Apr 10.
What is the last frost date for Zone 9b?
The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.
Can I grow Sorrel in Zone 9b?
Yes. Sorrel needs 40 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.
What is the best month to plant Sorrel in Zone 9b?
The best time to start Sorrel in Zone 9b is Jan. Begin seeds indoors around Jan 27, then transplant outdoors after the last frost date of Mar 10.
How long does Sorrel take to harvest?
Sorrel takes approximately 40 days from planting to harvest. In Zone 9b, expect your first harvest around Apr 10.
Plan Your Sorrel Garden
Track Sorrel from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Sorrel Growing Guide