When to Plant Echinacea (Coneflower) in Vidal, California (92280)

Location

Vidal, California

ZIP Code

92280

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, December 2, 2025

Transplant Outdoors Tuesday, February 24, 2026

Pro Tip: Start Echinacea (Coneflower) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 2026.

🌿 Plant Details

Scientific Name Echinacea purpurea

Days to Maturity 365 days

Mature Height 24-48"

Spread 24"

Type Perennial

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Low (drought tolerant once established)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-21 days

Ready to Plant Echinacea (Coneflower) in Vidal?

Get your seeds now so they're ready by Tuesday, December 2, 2025.

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🤝 Good Companions

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Growing Echinacea (Coneflower) in Zone 9b

Echinacea (Coneflower) (Echinacea purpurea) is a popular garden vegetable. In Vidal, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 2, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Echinacea (Coneflower) seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.