When to Plant Zinnia in Tyler, Texas (75708)

Location

Tyler, Texas

ZIP Code

75708

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 22, 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 Tyler?

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

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Growing Zinnia in Zone 8b

Zinnia (Zinnia elegans) is a popular garden vegetable. In Tyler, Texas, which is in USDA Hardiness Zone 8b, you should direct sow seeds around Sunday, March 22, 2026.

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