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When to Plant Valerian in Swanton, Maryland (21561)

Location

Swanton, Maryland

ZIP Code

21561

USDA Zone

6a

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, February 23, 2026
Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Valerian seeds indoors 8 weeks before your last frost date, then transplant outdoors around Monday, May 4, 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 Swanton?

Get your seeds now so they're ready by Monday, February 23, 2026.

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🤝 Good Companions

Vegetable GardenEarthworm attractor

Other Plants for Swanton

Growing Valerian in Zone 6a

Valerian (Valeriana officinalis) is a popular garden vegetable. In Swanton, Maryland, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 23, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Valerian seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.