- Name: White Tree Orchid - Other Common Names: Mountain Ebony / White Bauhinia / Orchid Tree / Butterfly Flower / Butterfly Tree / Camel's Foot / Hawaiian Orchid Tree - Scientific Name: Bauhinia Alba Syn. Bauhinia Variegata Var. Candida - Color: White - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: Winter ? Spring - Hardiness Zone: 8 ? 12 - Plant Height: 15 - 30' - Plant Spacing: 15 - 30' - Light Requirements: Sun - Part Shade - Soil Water Preferences: Average - Quantity: 10 Seeds - Other: This Show-Stopping Tropical Tree Is Native To Indian Subcontinent, But Has Been Naturalized In The Us, The Caribbean, Australia, Beyond. They Are A Wonderful Ornamental, Growing Quickly But Not Too Large. They Are Actually A Legume, Are Able To Tolerate Poor Soils Even Help To Fix The Nitrogen Levels In The Soil Making It More Fertile. The Large Showy Orchid-Like Flowers Smother The Tree In White Flowers That Attract Hummingbirds. After Blooming, The Flowers Turn Into Large 6 ? 9? Seed Pods That Provide Additional Interest Through The Winter.