When to Plant Pansy in Walpole, New Hampshire (03608)

Location

Walpole, New Hampshire

ZIP Code

03608

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Saturday, February 28, 2026

Transplant Outdoors

Saturday, May 9, 2026

Based on last frost Saturday, April 25, 2026 · Zone 5b

Pro tip: Start Pansy seeds indoors 8 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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 Walpole?

Get your seeds now so they're ready by Saturday, February 28, 2026.

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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 Walpole, New Hampshire? +

In Walpole (Zone 5b), start Pansy seeds indoors around Saturday, February 28, 2026 and transplant outdoors around Saturday, May 9, 2026.

What is the last frost date for Walpole, New Hampshire? +

The average last spring frost date for Walpole, New Hampshire (ZIP 03608) is around Saturday, April 25, 2026. This is based on NOAA climate normals for USDA Zone 5b.

How long does Pansy take to grow? +

Pansy typically matures in about 50 days from transplanting. In Walpole, that means you can expect harvest around Saturday, May 9, 2026 plus 50 days.

Should I start Pansy indoors or direct sow in New Hampshire? +

Pansy should be started indoors 8 weeks before your last frost date. In Walpole, that means starting around Saturday, February 28, 2026.

📚 More Pansy Planting Guides

🗺️

Pansy in New Hampshire

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 5b Pansy Guide

All cities in your zone · Avg dates

→

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Growing Pansy in Zone 5b

Pansy (Viola x wittrockiana) is a popular garden vegetable. In Walpole, New Hampshire, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Pansy seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.