Astilbes are perennial flowering plants known for their feathery, plume-like flowers that bloom in various colors, including pink, white, and red. They thrive in shady areas and prefer moist, well-drained soil, making them ideal for woodland gardens and shaded borders. These plants typically grow between 1 to 4 feet tall, depending on the variety, and their lush green foliage adds texture to gardens even when not in bloom. Astilbes are also attractive to pollinators like bees and butterflies, contributing to a vibrant garden ecosystem.