my LocalPlanting

When to Plant Dahlia in Bridgeport, Alabama (35740)

Location

Bridgeport, Alabama

ZIP Code

35740

USDA Zone

7b

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 22, 2026
Transplant Outdoors Sunday, April 12, 2026

Pro Tip: Start Dahlia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, April 12, 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 Bridgeport?

Get your seeds now so they're ready by Sunday, February 22, 2026.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

MarigoldBasilCosmos

Other Plants for Bridgeport

Growing Dahlia in Zone 7b

Dahlia (Dahlia pinnata) is a popular garden vegetable. In Bridgeport, Alabama, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, February 22, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Dahlia seedlings outdoors around Sunday, April 12, 2026, about 1 weeks after your last frost date.