Astilbe, Peach Blossom Overview Category: Perennials Common Name: Astilbe, Peach Blossom Botanical Name: Astilbe 'Peach Blossom' Sun Exposure: Full shade to part sun Height: 24 in. Spread: 15-18 in. See notes | Back to perennials Notes Delicate peach flowers with a hint of pink arrive in early summer. The plumes of blossoms are full and lend a frothy appearance when planted in groupings. 'Peach Blossom' has glossy green leaves often tinged with red.