Winterizing Astilbe Plants How To Care For Astilbe Plants In Winter
Winterizing Astilbe Plants Astilbe plants like to be kept moist, so it’s important to keep watering yours until the ground freezes. After the first hard frost, put down about two inches (5 cm.) of mulch around the stem. This will help regulate the temperature of the soil and keep the roots moist throughout the winter. Be careful not to put the mulch down until the frost, though. While the roots like to be moist, mulch in warmer weather can trap too much water and cause the roots to rot....