Here is a guideline for what to keep deadheading in the fall. Deadheading is simply removing spent flowers so the plant keeps producing blooms. We are right in the path for migrating butterflies and hummingbirds so I like to keep a few plants blooming to give them a boost on their way to Mexico. Here is a list of plants I keep deadheading in the fall: Salvia's of all kinds! Dahlia's and Zinnia's (to keep producing for arrangements) Pineapple sage Petunias (they will bloom until frost) Roses Verb

How to Deadhead Flowers for the Longest Blooming Plants

Verbena: Plant Care & Growing Guide