Can You Divide Delphiniums In Autumn?
Can You Divide Delphiniums In Autumn? Autumn division is best suited to perennials that flower in early summer. … Summer-flowering perennials such as delphiniums and daylilies are best divided now, but if autumn weather is wet and cold, or you have heavy clay soil, it is better to wait until spring. Will delphiniums spread? Height/Spread: