Browning Astilbe Plants Why Is My Astilbe Changing Color
Why is My Astilbe Changing Color to Brown? It’s always disappointing to find a part of your garden isn’t thriving. With astilbe, you may see some browning in the flowers, but brown leaves are a more typical sign of problems. Here are some of the possible causes: Foliar nematode: This microscopic worm-like creature can infect astilbe. The signs are brown spots on leaves bounded by the veins. The spots mostly form on an affected plant’s lower leaves....