When to Plant Impatiens in Anaktuvuk Pass, Alaska (99721)

Location

Anaktuvuk Pass, Alaska

ZIP Code

99721

USDA Zone

Last Frost

Thursday, May 28, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Thursday, March 19, 2026

Transplant Outdoors

Thursday, June 11, 2026

Based on last frost Thursday, May 28, 2026 · Zone 2b

Pro tip: Start Impatiens seeds indoors 10 weeks before your last frost date, then transplant outdoors around Thursday, June 11, 2026.

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🌿 Plant Details

Scientific Name Impatiens walleriana

Days to Maturity 60 days

Mature Height 8-18"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Partial to Full Shade (2-4 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

8" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Impatiens in Anaktuvuk Pass?

Get your seeds now so they're ready by Thursday, March 19, 2026.

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🤝 Good Companions

BegoniaFernHostas

🤝

Full Companion Planting Guide for Impatiens

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

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

⚠️ Many varieties are F1 hybrid — look for OP/heirloom types

When to Harvest Seed

Seed pods explode when touched — bag ripening pods with a rubber band before they burst.

Processing

Collect seeds from bags as pods burst. Tiny seeds — dry on paper towel for 1 week.

Seed Viability

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

Pro Tip

Most garden impatiens are F1 hybrids. New Guinea impatiens are almost always hybrid — look for old-fashioned OP varieties.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 72 plants of Impatiens. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Impatiens in Anaktuvuk Pass, Alaska? +

In Anaktuvuk Pass (Zone 2b), start Impatiens seeds indoors around Thursday, March 19, 2026 and transplant outdoors around Thursday, June 11, 2026.

What is the last frost date for Anaktuvuk Pass, Alaska? +

The average last spring frost date for Anaktuvuk Pass, Alaska (ZIP 99721) is around Thursday, May 28, 2026. This is based on NOAA climate normals for USDA Zone 2b.

How long does Impatiens take to grow? +

Impatiens typically matures in about 60 days from transplanting. In Anaktuvuk Pass, that means you can expect harvest around Thursday, June 11, 2026 plus 60 days.

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

Impatiens should be started indoors 10 weeks before your last frost date. In Anaktuvuk Pass, that means starting around Thursday, March 19, 2026.

📚 More Impatiens Planting Guides

🗺️

Impatiens in Alaska

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 2b Impatiens Guide

All cities in your zone · Avg dates

→

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Growing Impatiens in Zone 2b

Impatiens (Impatiens walleriana) is a popular garden vegetable. In Anaktuvuk Pass, Alaska, which is in USDA Hardiness Zone 2b, you should start seeds indoors around Thursday, March 19, 2026.

Your average last frost date is Thursday, May 28, 2026. Plan to transplant your Impatiens seedlings outdoors around Thursday, June 11, 2026, about 2 weeks after your last frost date.