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When to Plant Zinnia in Pullman, West Virginia (26421)

Location

Pullman, West Virginia

ZIP Code

26421

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

πŸ“… Planting Calendar

Direct Sow Outdoors Wednesday, April 22, 2026

Pro Tip: Sow Zinnia directly outdoors 1 week after your last frost date β€” it needs warm soil.

🌿 Plant Details

Scientific Name Zinnia elegans
Days to Maturity 60 days
Mature Height 12-36"
Spread 12"
Type Annual

β˜€οΈ Growing Requirements

β˜€οΈ

Sun

Full Sun (6-8 hours)

πŸ’§

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Zinnia in Pullman?

Get your seeds now so they're ready by Wednesday, April 22, 2026.

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🀝 Good Companions

TomatoCucumberPepper
See the full companion planting guide for Zinnia β†’

Other Plants for Pullman

Growing Zinnia in Zone 6b

Zinnia (Zinnia elegans) is a popular garden vegetable. In Pullman, West Virginia, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, April 22, 2026.

Your average last frost date is Wednesday, April 15, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.