When to Plant Valerian in Hensel, North Dakota (58241)

Location

Hensel, North Dakota

ZIP Code

58241

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 20, 2026

Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Valerian seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, May 29, 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 Hensel?

Get your seeds now so they're ready by Friday, March 20, 2026.

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Vegetable GardenEarthworm attractor

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Growing Valerian in Zone 4a

Valerian (Valeriana officinalis) is a popular garden vegetable. In Hensel, North Dakota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Valerian seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.