Dahlia plants were originally a foraged food source and used as a water-carrying device thanks to their hollow stems. Today, they are primarily grown as a cut flower and used in weddings and bouquets.
New plants can be expensive and it's easy to grow your own from cuttings. All you need to do is trick the dahlia tuber into ... Feed weekly and plant out after the last frosts.
Deadhead fading flowers of bedding plants, annuals and herbaceous perennials ... pinching a few times – take out the initial bud of a dahlia and then pinch out the resulting side growth.