Hellebores, also known as Lenten roses, are hardy perennials that produce nodding, cup-shaped flowers in shades of white, pink, purple, and green. Blooming from late winter to early spring ...
Most perennials bloom profusely during a specific season, such as spring, mid-summer or fall. Peonies bloom in late May through early June, tall iris flower in mid-June, and garden phlox blossom ...
Many perennial plants benefit from being divided every three to five years to improve plant performance. In general, spring and early-summer blooming plants are the best candidates for fall division.