my LocalPlanting

When to Plant Valerian in Lanesboro, Iowa (51451)

Location

Lanesboro, Iowa

ZIP Code

51451

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, March 15, 2026
Transplant Outdoors Sunday, May 24, 2026

Pro Tip: Start Valerian seeds indoors 8 weeks before your last frost date, then transplant outdoors around Sunday, May 24, 2026.

🌿 Plant Details

Scientific Name Valeriana officinalis
Days to Maturity 365 days
Mature Height 36-60"
Spread 24"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Valerian in Lanesboro?

Get your seeds now so they're ready by Sunday, March 15, 2026.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

Vegetable GardenEarthworm attractor

Other Plants for Lanesboro

Growing Valerian in Zone 5a

Valerian (Valeriana officinalis) is a popular garden vegetable. In Lanesboro, Iowa, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 15, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Valerian seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.