How to KillVinesinFlowerBeds. Ideally, begin controlling vining weeds before they get too big and out of hand. That said, some vines grow so rapidly that they may cover and killflowers in less tended areas. Creeping and climbing vines can take over flowerbeds and choke out other vegetation, leaving behind a tangled mass of stems and foliage. Regardless of the type of vine, control should focus on killing the vine without harming desirable flowers and plants. What is the best way to kill them so they stop growing back in our flowerbeds? — Carmen B. A: Seedling trees growing in a flowerbed are problematic, because any herbicide sprayed over the entire flowerbed would harm both tree seedlings and the perennial flowers. Flower Garden Beds. FlowerBed Planting in Front of Porch.DIY cheap trick to kill small unwanted trees, shrubs, or bushes growing unexpectedly in your flowerbeds. #gardeningtips #flowerbedsoftiktok. Learn chemical and organic ways to kill grass inflowerbeds.When to Kill Grass in Garden Beds. Most grasses spread by underground roots (rhizomes), as well as by dropping seeds. Easy & Effective Ways to Kill Invasive Vines. Cut back the vines to the ground and dig out the roots with a shovel. Or, cover the vines with a thick layer of cardboard and mulch. Vines That KillFlowers – How To KillVinesInFlowerBeds. Vines have many attributes in the garden.Learn how to killvinesinflowerbeds here. Step 3. Apply an organic mulch to the base of the vinesin the spring and water the mulch to encourage the vines to grow again. This reduces weeds and helps the vines recover after an extreme pruning.How to KillVinesinFlowerBeds.