When to Plant Echinacea (Coneflower) in Junction City, California (96048)

Location

Junction City, California

ZIP Code

96048

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, January 4, 2026

Transplant Outdoors Sunday, March 29, 2026

Pro Tip: Start Echinacea (Coneflower) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 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 Junction City?

Get your seeds now so they're ready by Sunday, January 4, 2026.

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Growing Echinacea (Coneflower) in Zone 8b

Echinacea (Coneflower) (Echinacea purpurea) is a popular garden vegetable. In Junction City, California, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, January 4, 2026.

Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Echinacea (Coneflower) seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.