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When to Plant Borage in Hilo, Hawaii (96721)

Location

Hilo, Hawaii

ZIP Code

96721

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, January 8, 2026

Pro Tip: Sow Borage directly outdoors 1 week after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Borago officinalis
Days to Maturity 60 days
Mature Height 18-36"
Spread 24"
Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 7-14 days

Ready to Plant Borage in Hilo?

Get your seeds now so they're ready by Thursday, January 8, 2026.

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🤝 Good Companions

TomatoSquashStrawberryPepper

⚠️ Avoid Planting Near

Fennel

Other Plants for Hilo

Growing Borage in Zone 12b

Borage (Borago officinalis) is a popular garden vegetable. In Hilo, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Thursday, January 8, 2026.

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