When to Plant Salvia (Annual) in Haiku, Hawaii (96708)

Location

Haiku, Hawaii

ZIP Code

96708

USDA Zone

12a

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Start Seeds Indoors Thursday, October 23, 2025

Transplant Outdoors Thursday, January 15, 2026

Pro Tip: Start Salvia (Annual) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Thursday, January 15, 2026.

🌿 Plant Details

Scientific Name Salvia splendens

Days to Maturity 75 days

Mature Height 12-24"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Salvia (Annual) in Haiku?

Get your seeds now so they're ready by Thursday, October 23, 2025.

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Growing Salvia (Annual) in Zone 12a

Salvia (Annual) (Salvia splendens) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should start seeds indoors around Thursday, October 23, 2025.

Your average last frost date is Thursday, January 1, 2026. Plan to transplant your Salvia (Annual) seedlings outdoors around Thursday, January 15, 2026, about 2 weeks after your last frost date.