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When to Plant Red Currant in Honolulu, Hawaii (96821)

Location

Honolulu, Hawaii

ZIP Code

96821

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 4, 2025

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

🌿 Plant Details

Scientific Name Ribes rubrum
Days to Maturity 730 days
Mature Height 36-60"
Spread 48"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

60" apart

🌱

Planting Depth

4" deep

Seeds typically germinate in 21-42 days

Ready to Plant Red Currant in Honolulu?

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

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🤝 Good Companions

RosemaryHyssop

⚠️ Avoid Planting Near

Black Walnut

Other Plants for Honolulu

Growing Red Currant in Zone 12b

Red Currant (Ribes rubrum) is a popular garden vegetable. In Honolulu, 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. Red Currant grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.