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When to Plant Arugula in Zone 12B

USDA Zone

12B

Cities Covered

53

Avg Last Frost

Friday, January 1, 2027

Plant Type

Direct Sow

📅 Planting Calendar for Zone 12B

Direct Sow Outdoors Friday, December 4, 2026

Pro Tip: Arugula can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Eruca vesicaria subsp. sativa
Days to Maturity 40 days
Sun Requirements Partial Shade to Full Sun
Plant Spacing 6" apart

🤝 Companion Plants for Arugula

Good Companions

CarrotLettuceRadishBean
See the full companion planting guide for Arugula →

Cities in Zone 12B

Other Plants for Zone 12B

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Growing Arugula in USDA Zone 12B

Arugula (Eruca vesicaria subsp. sativa) grows well in USDA Hardiness Zone 12B. This zone includes cities like Captain Cook, Eleele, Ewa Beach and 50 more.

The average last frost date for Zone 12B is around Friday, January 1, 2027. Arugula can be directly sown outdoors around Friday, December 4, 2026.

Expect to harvest your Arugula approximately 40 days after planting.