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When to Plant Avocado Tree 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, January 29, 2026

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

Pro tip: Sow Avocado Tree directly outdoors 4 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Persea americana
Days to Maturity 1825 days
Mature Height 120-360"
Spread 240"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

240" apart

🌱

Planting Depth

2" deep

Seeds typically germinate in 21-42 days

Ready to Plant Avocado Tree in Haiku?

Get your seeds now so they're ready by Thursday, January 29, 2026.

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🤝 Good Companions

ComfreyBasil
🤝

Full Companion Planting Guide for Avocado Tree

See which plants help Avocado Tree thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟡 Moderate
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Use the pit from any ripe avocado — it's ready to sprout immediately.

Processing

Wash pit clean, suspend half-submerged over water with toothpicks, or bury 1 inch deep. Roots in 4–6 weeks.

Pro Tip

Seed-grown avocados take 7–15 years to fruit and won't match the parent variety — but a fun project.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 0 plants of Avocado Tree. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Avocado Tree in Haiku, Hawaii? +

In Haiku (Zone 12a), direct sow Avocado Tree outdoors around Thursday, January 29, 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 Avocado Tree take to grow? +

Avocado Tree typically matures in about 1825 days from direct sowing. In Haiku, that means you can expect harvest around Thursday, January 29, 2026 plus 1825 days.

Should I start Avocado Tree indoors or direct sow in Hawaii? +

Avocado Tree does best when direct sown outdoors. In Haiku, sow directly around Thursday, January 29, 2026.

Other Plants for Haiku

Growing Avocado Tree in Zone 12a

Avocado Tree (Persea americana) is a popular garden vegetable. In Haiku, Hawaii, which is in USDA Hardiness Zone 12a, you should direct sow seeds around Thursday, January 29, 2026.

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