If you are looking to keep your Dahlias blooming, then you will need to remove the old, faded flowers in a timely fashion. However recognising a spent bloom can sometime be tricky and pruning techniques can vary wildly! So in this video English horticulturist Simon explains why you deadhead Dahlias, when and how to prune dahlias professionally and what happens to your plant if you don't cut off your old flowers.
If you would like watch more content like this then check out our YouTube channel 'Walking Talking Gardeners'. It is absolutely free to subscribe to and you can unsubscribe instantly at any time. Click onto the notification 'bell' icon to informed as to whenever we publish a new video.