Utah State University Extension
Blackberries can be grown successfully in Utah, but careful cultivar selection and care is needed. This fact sheet descirbes fruiting types, growth habits, how to grow, fertilizer, trellising, pruning, pests, and harvest.
Maughan, Tiffany; Olsen, Shawn; and Black, Brent, "Blackberry Management in Utah" (2018). All Current Publications. Paper 1841.