Beginner Gardening: What to cut back after blooming?, 1 by warriorswisdomkathy

warriorswisdomkathy wrote:
Zone is determined by the lowest avg. winter temps. Where I live in Colorado (USA), my coldest winter temp is -20, ( altho rarely do we get that cold), therefore my zone is 5. Gosh that 2nd pix is a not sure, yes it does look like yarrow flowers, but foliage not yarrrow. Do you have a local nursery close? could maybe take a flower and stem/w leaves for id, or do you have anything similar to Extention agent? Ours are in state government (locally). Hope that helps, anymore to id? Kathy.