Genus Amelanchier Species x grandiflora Cultivar 'Autumn BrillianceÂ®' Common Name Autumn BrillianceÂ® Serviceberry Patent ID PP# 5717 Height 20 to 25 Feet Spread 25 to 35 Feet Habit Large, multi-stemmed shrub or small tree. Slow to moderate growth rate. Zone 4 to 9 Culture Full sun to partial shade. Flower White, in racemes, 2-4 inches, early spring before the leaves. Flower Color White Foliage Simple, 1-3 inches long, serrated. Emerges gray, fades to medium green in summer. Fall color is brilliant red. Deciduous. Category: Flowering Tree Description Birds love the fruit.