When to Plant Valerian in Adamsville, Tennessee (38310)

Location

Adamsville, Tennessee

ZIP Code

38310

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Sunday, February 8, 2026

Transplant Outdoors

Sunday, April 19, 2026

Based on last frost Sunday, April 5, 2026 · Zone 7b

Pro tip: Start Valerian seeds indoors 8 weeks before your last frost date, then transplant outdoors around Sunday, April 19, 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 Adamsville?

Get your seeds now so they're ready by Sunday, February 8, 2026.

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🤝 Good Companions

Vegetable GardenEarthworm attractor

🤝

Full Companion Planting Guide for Valerian

See which plants help Valerian thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest seed heads just as they begin to turn brown — they shatter quickly when fully ripe.

Processing

Cut seed heads into a bag, dry 1 week, shake to release seeds. Seeds are very light — winnow carefully.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

Valerian self-sows readily and can spread aggressively in ideal conditions.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 8 plants of Valerian. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Valerian in Adamsville, Tennessee? +

In Adamsville (Zone 7b), start Valerian seeds indoors around Sunday, February 8, 2026 and transplant outdoors around Sunday, April 19, 2026.

What is the last frost date for Adamsville, Tennessee? +

The average last spring frost date for Adamsville, Tennessee (ZIP 38310) is around Sunday, April 5, 2026. This is based on NOAA climate normals for USDA Zone 7b.

How long does Valerian take to grow? +

Valerian typically matures in about 365 days from transplanting. In Adamsville, that means you can expect harvest around Sunday, April 19, 2026 plus 365 days.

Should I start Valerian indoors or direct sow in Tennessee? +

Valerian should be started indoors 8 weeks before your last frost date. In Adamsville, that means starting around Sunday, February 8, 2026.

📚 More Valerian Planting Guides

🗺️

Valerian in Tennessee

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7b Valerian Guide

All cities in your zone · Avg dates

→

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Growing Valerian in Zone 7b

Valerian (Valeriana officinalis) is a popular garden vegetable. In Adamsville, Tennessee, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, February 8, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Valerian seedlings outdoors around Sunday, April 19, 2026, about 2 weeks after your last frost date.