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When to Plant Blackberry in Idaho Springs, Colorado (80452)

Location

Idaho Springs, Colorado

ZIP Code

80452

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Saturday, March 28, 2026

Pro Tip: Blackberry can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rubus fruticosus
Days to Maturity 365 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Other Plants for Idaho Springs

Growing Blackberry in Zone 5b

Blackberry (Rubus fruticosus) is a popular garden vegetable. In Idaho Springs, Colorado, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Blackberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.