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When to Plant Zinnia in Rome, Indiana (47574)

Location

Rome, Indiana

ZIP Code

47574

USDA Zone

7a

Last Frost

Friday, April 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 17, 2026

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

🌿 Plant Details

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

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

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 Rome?

Get your seeds now so they're ready by Friday, April 17, 2026.

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Growing Zinnia in Zone 7a

Zinnia (Zinnia elegans) is a popular garden vegetable. In Rome, Indiana, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, April 17, 2026.

Your average last frost date is Friday, April 10, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.