When to Plant Lima Bean in Honolulu, Hawaii (96813)

Location

Honolulu, Hawaii

ZIP Code

96813

USDA Zone

12b

Last Frost

Thursday, January 1, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Thursday, January 1, 2026

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

Pro tip: Sow Lima Bean directly outdoors around your last frost date when soil starts to warm.

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🌿 Plant Details

Scientific Name Phaseolus lunatus

Days to Maturity 75 days

Mature Height 18-24"

Spread 6"

Type Bush

Fruit Size Medium (flat pods)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Lima Bean in Honolulu?

Get your seeds now so they're ready by Thursday, January 1, 2026.

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🤝 Good Companions

CornSquashCucumberCarrot

⚠️ Avoid Planting Near

OnionGarlicFennel

🤝

Full Companion Planting Guide for Lima Bean

See which plants help Lima Bean 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

Allow pods to dry and turn brown on the vine before picking.

Processing

Shell dried pods, cure seeds on screen for 2 weeks, then store in a cool dry place.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Lima beans self-pollinate before the flower opens — easy to keep varieties pure.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 4 per sq ft of Lima Bean. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Lima Bean in Honolulu, Hawaii? +

In Honolulu (Zone 12b), direct sow Lima Bean outdoors around Thursday, January 1, 2026.

What is the last frost date for Honolulu, Hawaii? +

The average last spring frost date for Honolulu, Hawaii (ZIP 96813) is around Thursday, January 1, 2026. This is based on NOAA climate normals for USDA Zone 12b.

How long does Lima Bean take to grow? +

Lima Bean typically matures in about 75 days from direct sowing. In Honolulu, that means you can expect harvest around Thursday, January 1, 2026 plus 75 days.

Should I start Lima Bean indoors or direct sow in Hawaii? +

Lima Bean does best when direct sown outdoors. In Honolulu, sow directly around Thursday, January 1, 2026.

📚 More Lima Bean Planting Guides

🗺️

Lima Bean in Hawaii

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 12b Lima Bean Guide

All cities in your zone · Avg dates

→

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Growing Lima Bean in Zone 12b

Lima Bean (Phaseolus lunatus) is a popular garden vegetable. In Honolulu, Hawaii, which is in USDA Hardiness Zone 12b, you should direct sow seeds around Thursday, January 1, 2026.

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