When to Plant Pansy in Honolulu, Hawaii (96821)

Location

Honolulu, Hawaii

ZIP Code

96821

USDA Zone

12b

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 12b

Pro tip: Start Pansy seeds indoors 8 weeks before your last frost date, then transplant outdoors around Thursday, January 15, 2026.

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🌿 Plant Details

Scientific Name Viola x wittrockiana

Days to Maturity 50 days

Mature Height 6-10"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

8" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Pansy in Honolulu?

Get your seeds now so they're ready by Thursday, November 6, 2025.

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🤝 Good Companions

Spring BulbsVegetables

🤝

Full Companion Planting Guide for Pansy

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

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

⚠️ Many varieties are F1 hybrid — look for OP/heirloom types

When to Harvest Seed

Allow seed pods to form after petals drop. Harvest when pods turn tan and before they burst open.

Processing

Collect pods carefully, place in a bag to catch seeds as they eject, dry 1 week.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

Most garden pansies are F1 hybrids and won't grow true. Viola cornuta and V. tricolor are good OP alternatives.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 72 plants of Pansy. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Pansy in Honolulu, Hawaii? +

In Honolulu (Zone 12b), start Pansy seeds indoors around Thursday, November 6, 2025 and transplant outdoors around Thursday, January 15, 2026.

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

The average last spring frost date for Honolulu, Hawaii (ZIP 96821) is around Thursday, January 1, 2026. This is based on NOAA climate normals for USDA Zone 12b.

How long does Pansy take to grow? +

Pansy typically matures in about 50 days from transplanting. In Honolulu, that means you can expect harvest around Thursday, January 15, 2026 plus 50 days.

Should I start Pansy indoors or direct sow in Hawaii? +

Pansy should be started indoors 8 weeks before your last frost date. In Honolulu, that means starting around Thursday, November 6, 2025.

📚 More Pansy Planting Guides

🗺️

Pansy in Hawaii

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 12b Pansy Guide

All cities in your zone · Avg dates

→

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Growing Pansy in Zone 12b

Pansy (Viola x wittrockiana) is a popular garden vegetable. In Honolulu, Hawaii, which is in USDA Hardiness Zone 12b, you should start seeds indoors around Thursday, November 6, 2025.

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