When to Plant Valerian in Kalskag, Alaska (99607)

Location

Kalskag, Alaska

ZIP Code

99607

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Wednesday, March 25, 2026

Transplant Outdoors

Wednesday, June 3, 2026

Based on last frost Wednesday, May 20, 2026 · Zone 3b

Pro tip: Start Valerian seeds indoors 8 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.

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🌿 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 Kalskag?

Get your seeds now so they're ready by Wednesday, March 25, 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 Kalskag, Alaska? +

In Kalskag (Zone 3b), start Valerian seeds indoors around Wednesday, March 25, 2026 and transplant outdoors around Wednesday, June 3, 2026.

What is the last frost date for Kalskag, Alaska? +

The average last spring frost date for Kalskag, Alaska (ZIP 99607) is around Wednesday, May 20, 2026. This is based on NOAA climate normals for USDA Zone 3b.

How long does Valerian take to grow? +

Valerian typically matures in about 365 days from transplanting. In Kalskag, that means you can expect harvest around Wednesday, June 3, 2026 plus 365 days.

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

Valerian should be started indoors 8 weeks before your last frost date. In Kalskag, that means starting around Wednesday, March 25, 2026.

📚 More Valerian Planting Guides

🗺️

Valerian in Alaska

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 3b Valerian Guide

All cities in your zone · Avg dates

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Growing Valerian in Zone 3b

Valerian (Valeriana officinalis) is a popular garden vegetable. In Kalskag, Alaska, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, March 25, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Valerian seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.