To keep astilbe healthy and protected for winter, mulch around plants in the fall with a two-inch layer of organic matter.

As temperatures cool down, the garden seems to come alive again, especially with the recent rains. Dahlias, zinnias, and ...

Dividing isn't just a spring gardening task—certain perennials benefit from being divided before the frost hits. Here are ...

Purple, white, and lavender astilbe flowers growing from green stalks. - Tatiana Terekhina/Getty Images The colorful blooms of false spirea, or astilbe, brighten even the darkest corners of your ...

Most perennials prefer to be planted in spring or autumn, when the weather is cool and rainfall is abundant. But some drought- and heat-tolerant plants can be planted in midsummer too if you keep them ...