When to Plant Summer Savory in Haiku, Hawaii (96708)

Location

Haiku, Hawaii

ZIP Code

96708

USDA Zone

12a

Last Frost

Thursday, January 1, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Thursday, December 18, 2025

Based on last frost Thursday, January 1, 2026 · Zone 12a

Pro tip: Sow Summer Savory directly outdoors 2 weeks before your last frost date.

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🌿 Plant Details

Scientific Name Satureja hortensis

Days to Maturity 60 days

Mature Height 12-18"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low to Moderate

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-14 days

Ready to Plant Summer Savory in Haiku?

Get your seeds now so they're ready by Thursday, December 18, 2025.

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🤝 Good Companions

BeanOnionGarlicRosemary

⚠️ Avoid Planting Near

Fennel

🤝

Full Companion Planting Guide for Summer Savory

See which plants help Summer Savory thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let plants fully flower and seed heads dry on the plant. Harvest when brown.

Processing

Strip dried stems over a bowl, rub to release tiny seeds, winnow to remove chaff.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Surface sow when planting — seeds need light to germinate.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Summer Savory. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Summer Savory in Haiku, Hawaii? +

In Haiku (Zone 12a), direct sow Summer Savory outdoors around Thursday, December 18, 2025.

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 Summer Savory take to grow? +

Summer Savory typically matures in about 60 days from direct sowing. In Haiku, that means you can expect harvest around Thursday, December 18, 2025 plus 60 days.

Should I start Summer Savory indoors or direct sow in Hawaii? +

Summer Savory does best when direct sown outdoors. In Haiku, sow directly around Thursday, December 18, 2025.

📚 More Summer Savory Planting Guides

🗺️

Summer Savory in Hawaii

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 12a Summer Savory Guide

All cities in your zone · Avg dates

→

Other Plants for Haiku

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Growing Summer Savory in Zone 12a

Summer Savory (Satureja hortensis) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should direct sow seeds around Thursday, December 18, 2025.

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