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

Location

Walpole, New Hampshire

ZIP Code

03608

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, February 28, 2026
Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Asparagus seeds indoors 8 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Asparagus officinalis
Days to Maturity 56 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-21 days

🤝 Good Companions

TomatoAsterDillCorianderParsleyBasilComfreyMarigold

⚠️ Avoid Planting Near

OnionGarlicPotato

Other Plants for Walpole

Growing Asparagus in Zone 5b

Asparagus (Asparagus officinalis) 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 Asparagus seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.