Deadheading is one of the most important tasks you can do to keep your dahlias (and many other flowers) blooming as long as possible. I deadhead slightly earlier than most, looking for any flower where the petals are already dying on the back. I’ve found that taking them off at this stage instead of waiting until they’re completely dead means the plants pushes fresh new blooms even faster. You can easily deadhead by just popping the flower heads off (if you’re short on time) or by going through