Little Gem Magnolia Magnolia grandiflora ‘Little Gem’ Category: Evergreen Growth Rate: Slow Adaptability: Partial shade to full sun Shape: Upright, Erect Size: 15-20 tall, 7-10’ wide Fall Color: Green Wildlife Value: Provides winter cover for wildlife. Description: TreesCharlotte.org Native to wooded areas in southeastern United States. Flowers bloom in late spring, with sparse continued flowering throughout the summer. Flowers give way to spherical cone-like fruiting clusters that mature in late summer to early fall.