When should I plant 大蒜 in Zone 9b?

Direct sow 大蒜 outdoors around Jan 17. Harvest around Sep 14.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Feb 28. The first fall frost averages Nov 25, giving a 270-day growing season.

Can I grow 大蒜 in Zone 9b?

Yes. 大蒜 needs 240 days to harvest. Zone 9b has a 270-day growing season, which is sufficient.

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🧄 种植大蒜区域 9b

Zone 9b has warm winters and an extended growing season — excellent for heat-loving crops like 大蒜. Last frost: Feb 28. First frost: Nov 25.

Planting Calendar

Outdoor

Harvest

Jan 17Nov 25

Season: Feb 28 – Nov 25 (270 days)

Zone9b

Last FrostFeb 28

First FrostNov 25

Season270 days

Harvest240 days

SunFull Sun

When to Plant 大蒜 in Zone 9b

Sow Seeds Outdoors: Jan 17

Direct sow 大蒜 seeds outdoors around Jan 17. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).

Harvest: Sep 14

First harvest approximately Sep 14 (~240 days from planting). Continue harvesting until first frost (Nov 25). 大蒜 can overwinter in mild climates for continued harvest.

Fall Planting: Oct 14

For a fall harvest, plant 大蒜 around Oct 14 (6 weeks before first frost).

Companion Planting

✅ Tomatoes✅ Roses✅ Fruit Trees✅ Strawberries✅ Beets✅ Peppers

❌ Beans❌ Peas❌ Sage

大蒜其他区域

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

规划花园大蒜

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

Start Free 大蒜 Growing Guide

🧄 种植 大蒜 区域 9b