Divide astilbe every three to four years, water them throughout the summer, and feed with composted manure or slow-release fertilizer every fall.

How to grow astilbe Astilbe are often considered some of the best perennials, with impressive plumes that can range in size from just 6 inches to 2 feet.

You can grow your astilbe from seed (sow outside after the soil warms), or by divisions (divide roots either in early spring or fall). The astilbe flowers are very useful for floral designs.

Now is a great time to propagate or divide astilbe, garden lily, lily-of-the-valley, bleeding heart, Siberian iris, veronica, peony and other spring- and summer-blooming perennials.

Oosterwyk says that perfect perennials for dividing include hostas, daisies, helenium, daylilies, astilbe and other spring/early summer bloomers. “A good rule of thumb is to transplant opposite the ...

Every three to five years, divide astilbe, campanula, coneflower, daylily, lily and iris. Every five to 10 years, divide hosta. After removing dead tops, dig the entire clump.

Dividing them with fewer eyes results in thin-looking plants. Another year, divide and plant a couple of weeks earlier than this for maximum performance. Q:Could I try a peach tree here?

Hardy mums grow faster than most perennials so one could argue they'll benefit from dividing more often than others, such as daylilies, hostas astilbe and other popular perennials.

Many gardeners find themselves in search of plants that will thrive in shade. The perennial called astilbe fits the bill Since shade covers much of my garden, over the years I have planted many shr… ...

Fertilize astilbe in the spring after the new leaves begin to appear and use an all-purpose fertilizer. This fall, you can also mulch them with a well-composted manure to add some winter ...

A. Selections for unique lowlight-loving shrubs and perennials are limited, but these flowering shrubs will do just fine in shaded conditions: bottlebrush or red buckeye, clethra, silky dogwood ...

Keith Phelps of Inspired Designs by Keith Phelps gives us a peek at his Gardens on Green Street property to share some of his favorite summer flowers such as day lilies and astilbe.