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When to Plant Broccoli Raab in Hana, Hawaii (96713)

Location

Hana, Hawaii

ZIP Code

96713

USDA Zone

11b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, November 20, 2025

Pro Tip: Sow Broccoli Raab directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. rapa
Days to Maturity 60 days
Mature Height 12-24"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Broccoli Raab in Hana?

Get your seeds now so they're ready by Thursday, November 20, 2025.

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🤝 Good Companions

OnionBeetCelery

⚠️ Avoid Planting Near

TomatoPepperStrawberry

Other Plants for Hana

Growing Broccoli Raab in Zone 11b

Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Hana, Hawaii, which is in USDA Hardiness Zone 11b, you should direct sow seeds around Thursday, November 20, 2025.

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