Planting Mums When to Plant If you’re using a mum as a perennial, plant in early spring or in the fall at least six weeks before the first killing frost. You’ll find smaller plants for sale in the spring than you might in fall. They likely won’t be b...
When leaving perennial tops intact during winter, cut them back in spring before new growth emerges from ground level. What perennials are not cut back in the fall? Don't cut back marginally hardy perennials like garden mums (Chrysanthemum spp.), anise hyssop (Agastache foeniculum), red-hot ...
Many gardeners plant their hardy mums too late in the fall for them to survive the winter. Mums have shallow root systems, and as the top few inches of soil freeze and thaw throughout winter, the expansion and contraction pushes the roots of newly planted hardy mums out of soil. This dis...
Many gardeners plant their hardy mums too late in the fall for them to survive the winter. Mums have shallow root systems, and as the top few inches of soil freeze and thaw throughout winter, the expansion and contraction pushes the roots of newly planted hardy mums out of soil. This dis...