Early blooming trees, shrubs provide color for landscape but risk ... us of our drab and colorless winter. There are several trees and shrubs ... frost is severe, older trees may lose a ...

First frost (32 degrees): Oct. 5 on average in Fort Collins. There is a 90% chance of seeing a low of 32 degrees by Oct. 17. First freeze (28 degrees): There is a 50% chance of our first freeze by ...