When to Plant Dahlia in Hanson, Kentucky (42413)

Location

Hanson, Kentucky

ZIP Code

42413

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, February 27, 2026

Transplant Outdoors Friday, April 17, 2026

Pro Tip: Start Dahlia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Friday, April 17, 2026.

🌿 Plant Details

Scientific Name Dahlia pinnata

Days to Maturity 90 days

Mature Height 18-60"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

4" deep

Seeds typically germinate in 7-14 days

Ready to Plant Dahlia in Hanson?

Get your seeds now so they're ready by Friday, February 27, 2026.

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Growing Dahlia in Zone 7a

Dahlia (Dahlia pinnata) is a popular garden vegetable. In Hanson, Kentucky, which is in USDA Hardiness Zone 7a, you should start seeds indoors around Friday, February 27, 2026.

Your average last frost date is Friday, April 10, 2026. Plan to transplant your Dahlia seedlings outdoors around Friday, April 17, 2026, about 1 weeks after your last frost date.