When to Plant Raspberry in Longmont, Colorado (80501)
Location
Longmont, Colorado
ZIP Code
80501
USDA Zone
5b
Last Frost
Saturday, April 25, 2026
📅 Planting Calendar
Direct Sow Outdoors Saturday, March 28, 2026
Pro Tip: Sow Raspberry directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
Scientific Name Rubus idaeus
Days to Maturity 365 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
Ready to Plant Raspberry in Longmont?
Get your seeds now so they're ready by Saturday, March 28, 2026.
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Other Plants for Longmont
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Growing Raspberry in Zone 5b
Raspberry (Rubus idaeus) is a popular garden vegetable. In Longmont, 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. Raspberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.