Regional variety reviews
Southern Rockies crop variety reviews · 2026.
MN-24 states165-day season8–18" precip
Irrigated alfalfa, irrigated corn, and dryland winter wheat are the variety-selection battlegrounds in the Southern Rockies. Fall dormancy 4–6 alfalfa is the dominant choice for stand persistence under heavy cutting cycles in irrigated valleys.
Semi-arid to arid with high elevation cooling. Irrigated agriculture dominates; dryland production is limited to short-season grain in moister pockets.
Southern Rockies variety trial programs
Land-grant universities serving Southern Rockies publish annual variety trial reports. These are the gold standard for variety performance data — independent, replicated, peer-reviewed methodology.
- Colorado State Crops Testing Programcsucrops.com ↗
- Utah State University Extensionextension.usu.edu ↗
- New Mexico State University Variety Trialsaces.nmsu.edu ↗
- University of Arizona Cooperative Extensionextension.arizona.edu ↗