![]() ![]() Keep organic mulches away from the crown of the plant to prevent rotting. Mulching: Because sedums need well drained soil, only lightly mulch with bark mulch to keep weeds away. Adding a 1 inch thick layer of compost when planting and annually in spring should be enough to keep your sedums growing and flowering strong. A soil too rich in nitrogen can cause clumping plants to flop and flower later. That's why well-drained soil is imperative to keeping sedums healthy.įertilizing: Sedums tolerate low-fertility soils. In fact, too much water can cause sedum stems and roots to rot and die. Once established, they should grow fine without any additional watering. Keep newly planted sedums well-watered the first year. Watering: Sedums are succulents and very drought tolerant. You can also plant clumping varieties together in groups to support each other or next to sturdy other perennials, such as dwarf asters, to help support them. To keep your clumping sedum erect, especially when flowering, wrap twine or a low metal wire around the plants before they flower. Clumping varieties can get floppy if they don't get enough sun, have too much nitrogen fertilizer, or get old. ![]() Staking: Creeping varieties of sedums do not need staking. ![]()
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