Growing Leek in Zone 9a
Zone 9a has warm winters and an extended growing season — excellent for heat-loving crops like Leek. Last frost: Mar 20. First frost: Nov 12.
Planting Calendar
Season: Mar 20 – Nov 12 (237 days)
When to Plant Leek in Zone 9a
Start Seeds Indoors: Jan 9
Start Leek seeds indoors around Jan 9 (10 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 7–14 days.
Transplant Outdoors: Mar 6
Transplant Leek seedlings outdoors after Mar 6. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.
Harvest: Jun 4
First harvest approximately Jun 4 (~90 days from transplant). Continue harvesting until first frost (Nov 12). Leek can overwinter in mild climates for continued harvest.
Companion Planting
Leek 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 Leek in Zone 9a?
Start Leek seeds indoors around Jan 9. Transplant outdoors after Mar 6. Expect first harvest around Jun 4.
What is the last frost date for Zone 9a?
The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.
Can I grow Leek in Zone 9a?
Yes. Leek needs 120 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.
What is the best month to plant Leek in Zone 9a?
The best time to start Leek in Zone 9a is Jan. Begin seeds indoors around Jan 9, then transplant outdoors after the last frost date of Mar 20.
What companion plants grow well with Leek?
Good companion plants for Leek include Carrots, Onions, Celery. Avoid planting Leek near Beans, Peas.
How long does Leek take to harvest?
Leek takes approximately 120 days from planting to harvest. In Zone 9a, expect your first harvest around Jun 4.
Plan Your Leek Garden
Track Leek from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Leek Growing Guide