Pictures shown are mature trees for sake of reference. 
This product is sold in seedling size (18-24") bundles of 25.
(Not full grown)
 
Nannyberry is grown as a large shrub or a small tree reaching 15 to 20 feet high. Known for its dark, lustrous green leaves which turn maroon-red in the fall. This Midwest native is typically found in woodlands and wood edges, a great plant for naturalizing.
 
Family (English)Elderberry
Family (botanic)Adoxaceae
Foliage: Deciduous (seasonally loses leaves)
Native locale: North America
Size range: Large shrub (more than 8 feet)
Light exposure: Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily)
Hardiness zones: Zone 3-7
Soil preference: Alkaline soil, Dry soil, Moist, well-drained soil
Tolerances: Alkaline soil, Dry sites, Occasional flooding, Wet sites
Season of interest: Late spring, late summer, early fall, mid fall
Flower color and fragrance: White
Shape or form: Arching, Multi-stemmed, Thicket-forming, Upright
Growth rate: Moderate
 
Excerpt from and for more information see: https://mortonarb.org/plant-and-protect/trees-and-plants/nannyberry/