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When to Plant Arugula in Kekaha, Hawaii (96752)

Location

Kekaha, Hawaii

ZIP Code

96752

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 4, 2025

Pro Tip: Sow Arugula directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Eruca vesicaria subsp. sativa
Days to Maturity 40 days
Mature Height 6-12"
Spread 6"
Type Leaf
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

6" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 3-7 days

Ready to Plant Arugula in Kekaha?

Get your seeds now so they're ready by Thursday, December 4, 2025.

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Growing Arugula in Zone 12b

Arugula (Eruca vesicaria subsp. sativa) is a popular garden vegetable. In Kekaha, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Thursday, December 4, 2025.

Your average last frost date is Thursday, January 1, 2026. Arugula grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.