🌱 MyLocalPlanting

When to Plant Onion in Akron, Ohio (44310)

Location

Akron, Ohio

ZIP Code

44310

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, February 18, 2026
Transplant Outdoors Wednesday, April 29, 2026

Pro Tip: Start Onion seeds indoors 8 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Allium cepa
Days to Maturity 100 days
Mature Height 12-18"
Spread 4"
Type Bulb
Fruit Size Medium (2-4 inch bulb)

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Moderate

↔️

Spacing

4" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 7-10 days

🤝 Good Companions

CarrotBeetLettuceTomatoBrassicas

⚠️ Avoid Planting Near

BeanPeaAsparagus

Other Plants for Akron

Growing Onion in Zone 6b

Onion (Allium cepa) is a popular garden vegetable. In Akron, Ohio, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, February 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Onion seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.