When should I plant Chives in Zone 9b?

Start Chives seeds indoors around Jan 13. Transplant outdoors after Feb 24. Expect first harvest around Apr 25.

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 Chives in Zone 9b?

Yes. Chives needs 60 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🌱 Growing Chives in Zone 9b

Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like Chives. Last frost: Mar 10. First frost: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 13Nov 15

Season: Mar 10 – Nov 15 (250 days)

Zone9b

Last FrostMar 10

First FrostNov 15

Season Length250 days

Days to Harvest60

SunFull Sun

Frost ToleranceHeavy

Spacing16/sqft (3" apart)

When to Plant Chives in Zone 9b

Start Seeds Indoors: Jan 13

Start Chives seeds indoors around Jan 13 (8 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 7–14 days.

Transplant Outdoors: Feb 24

Transplant Chives seedlings outdoors after Feb 24. Wait until soil temperature reaches 45°F. Space plants at 16/sqft (3" apart). Harden off plants for a week before moving outside.

Harvest: Apr 25

First harvest approximately Apr 25 (~60 days from transplant). Continue harvesting until first frost (Nov 15). Chives can overwinter in mild climates for continued harvest.

Companion Planting

✅ Carrots✅ Tomatoes✅ Grapes✅ Roses

❌ Beans❌ Peas

Chives 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 13b

Plan Your Chives Garden

Track Chives from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Chives Growing Guide