When to Plant Echinacea (Coneflower) in Borrego Springs, California (92004)

Location

Borrego Springs, California

ZIP Code

92004

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, November 16, 2025

Transplant Outdoors Sunday, February 8, 2026

Pro Tip: Start Echinacea (Coneflower) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, February 8, 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 Borrego Springs?

Get your seeds now so they're ready by Sunday, November 16, 2025.

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Growing Echinacea (Coneflower) in Zone 10a

Echinacea (Coneflower) (Echinacea purpurea) is a popular garden vegetable. In Borrego Springs, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 16, 2025.

Your average last frost date is Sunday, January 25, 2026. Plan to transplant your Echinacea (Coneflower) seedlings outdoors around Sunday, February 8, 2026, about 2 weeks after your last frost date.