📍 Haiku, HI · Zone 12a · Last frost Thursday, January 1, 2026
✏️ ChangeWhen to Plant Sage in Haiku, Hawaii (96708)
Location
Haiku, Hawaii
ZIP Code
96708
USDA Zone
12a
Last Frost
Thursday, January 1, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Thursday, November 6, 2025
Transplant Outdoors
Thursday, January 15, 2026
Based on last frost Thursday, January 1, 2026 · Zone 12a
Pro tip: Start Sage seeds indoors 8 weeks before your last frost date, then transplant outdoors around Thursday, January 15, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6+ hours)
💧
Water
Low to Moderate
↔️
Spacing
24" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 10-21 days
Ready to Plant Sage in Haiku?
Get your seeds now so they're ready by Thursday, November 6, 2025.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Sage
See which plants help Sage thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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Common Sage Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Common Sage
The standard culinary sage with grey-green leaves; essential in stuffings and pasta.
Purple Sage
Striking purple-leaved variety with slightly milder flavor; ornamental and edible.
Tricolor
Variegated purple, white, and green leaves; equally ornamental and culinary.
Berggarten
German-origin variety with extra-large rounded leaves and exceptional flavor; rarely flowers.
🌾 Seed Saving Guide
🟡 ModerateWhen to Harvest Seed
Allow flower spikes to dry completely on the plant before collecting.
Processing
Strip seed heads, separate seeds from dried calyxes, store in cool dry place.
Seed Viability
Up to 3 years when stored cool, dark, and dry.
Pro Tip
Culinary sage (Salvia officinalis) seeds well. Ornamental varieties may be hybrids — check before saving.
Raised Bed Planting Guides
A 4×8 bed fits 8 plants of Sage. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Sage in Haiku, Hawaii? +
In Haiku (Zone 12a), start Sage seeds indoors around Thursday, November 6, 2025 and transplant outdoors around Thursday, January 15, 2026.
What is the last frost date for Haiku, Hawaii? +
The average last spring frost date for Haiku, Hawaii (ZIP 96708) is around Thursday, January 1, 2026. This is based on NOAA climate normals for USDA Zone 12a.
How long does Sage take to grow? +
Sage typically matures in about 75 days from transplanting. In Haiku, that means you can expect harvest around Thursday, January 15, 2026 plus 75 days.
Should I start Sage indoors or direct sow in Hawaii? +
Sage should be started indoors 8 weeks before your last frost date. In Haiku, that means starting around Thursday, November 6, 2025.
Other Plants for Haiku
Growing Sage in Zone 12a
Sage (Salvia officinalis) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should start seeds indoors around Thursday, November 6, 2025.
Your average last frost date is Thursday, January 1, 2026. Plan to transplant your Sage seedlings outdoors around Thursday, January 15, 2026, about 2 weeks after your last frost date.