Birch, Whitespire Overview Category: Shade trees Common Name: Birch, Whitespire Botanical Name: Betula populifolia 'Whitespire' Sun Exposure: Full sun Height: 30-40 ft. Spread: 20-35 ft. See notes | Back to shade trees Notes A white-barked birch with lustrous dark green foliage that changes to yellow in the fall. The twigs and foliage are fine textured. Tolerant of heat and thrives in a wide range of soils. Resistant to the bronze birch borer.