The species range in size from 6- to 8-foot shrubs to massive 75-foot shade trees, but all are identified by large, palm-shaped compound leaves with serrated edges. The leaves can have five to nine leaflets, depending on species. These plants form upright panicles of tubular flowers, red, yellow, or white in color, blooming in spring or early summer. Of the 20 or so species, here are nine that are commonly used in landscaping. These species, along with their many cultivars, are known as excellent flowering plants for part shade conditions, although some do quite well in full sun. Aesculus trees and shrubs will do best in consistently moist soil and often develop leaf scorch in arid conditions. Native Area: Eastern North America USDA Growing Zones: 3–7 Height: 20-40 feet Sun Exposure: Full sun to part shade Native Area: Balkan regions USDA Growing Zones: 3–8 Height: 50–75 feet Sun Exposure: Full sun to part shade Native Area: Eastern North America USDA Growing Zones: 4–8 Height: 12–15 feet Sun Exposure: Full sun to part shade Native Area: Eastern North America USDA Growing Zones: 4–8 Height: 50–75 feet Sun Exposure: Full sun to part shade Native Area: Southeastern U.S. USDA Growing Zones: 4–8 Height: 8–12 feet Sun Exposure: Part shade to full shade Native Area: Southeastern U.S. USDA Growing Zones: 7–8 Height: 6–15 feet Sun Exposure: Part shade Native Area: California USDA Growing Zones: 7–8 Height: 15–30 feet Sun Exposure: Full sun to part shade Native Area: Garden hybrid, discovered in Europe USDA Growing Zones: 5–8 Height: 30–40 feet Sun Exposure: Full sun to part shade Native Area: Northern India USDA Growing Zones: 7–9 Height: 40–60 feet, occasionally taller Sun Exposure: Full sun
