Planting Zone in Casper Wyoming with Map

Casper, Wyoming is uniformly classified as USDA Hardiness Zone 5a, defined by average annual minimum temperatures of -20°F to -15°F (-28.9°C to -26.1°C), as per USDA latest data.

This zone includes Downtown Casper, suburban neighborhoods like Paradise Valley and Bar Nunn. The 5a designation applies consistently across West Casper, East Casper, Mills, and Casper Mountain, ensuring uniform growing conditions throughout the region.

To verify your Casper, Wyoming, USDA zone use our three tools given below: zipcode to planting zone search tool, interactive map, or planting zone table.

Casper Planting Zones by ZipCode

Casper Planting Zones Map

Select or type your Casper location in the selection box below to find its planting zone.

Casper Planting Zones Table

Download Casper Planting Zone Map