What would be the best pine tree to plant as a wind/snow screen in south/central Montana? (zone 4)
Certified GKH Gardening Expert
This article will be of some assistance here: https://www.gardeningknowhow.com/garden-how-to/gardening-by-zone/zone-4/zone-4-evergreen-trees.htm
Your state extension service has a detailed article on the best conifers for Montana. Page 72 discusses windbreaks/shelterbelt plants.