Some can grow 15-20 foot tall. Seasonal interest is provided by flowers, fruit and fall color. Can be used for wildlife cover, hedges, screening, wind and sun barriers, in mass plantings and as a specimen plant.
Birch

Little King Birch
Betula nigra ‘Little King’
Height: 8-10′
Spread: 8-10′
Chokecherry

Schubert Chokecherry
Prunus virginiana ‘Schubert’
Height: 20-30′
Spread: 15-20′
Cistena Plum

Prunus cistena
Height: 6-8′
Spread:4-6′
Elderberry

Black Beauty Elderberry
Sambucus nigra ‘Gerda’
Height: 10′
Spread:

Sutherland Gold Elderberry
Sambucus racemosa ‘Sutherland Gold’
Height:6-10′
Spread: 6-10′

Variegated Elderberry
Sambucus nigra ‘Instant Karma’
Height: 6-8′
Spread: 6-8′
Lilac

Miss Canada Lilac
Syringa x prestoniae ‘Miss Canada’
Height: 6-12′
Spread: 6-12′
Maple

Amur Maple
Acer ginnala
Height: 15-20′
Spread: 15-20′
Privet

Cheyenne Privet
Ligustrum vulgare ‘Cheyenne’
Height: 6-8′
Spread: 4-6′

Golden Vicary Privet
Ligustrum x vicaryi
Height: 8-10′
Spread: 8-10′

Straight Talk Privet
Ligustrum vulgare ‘Swift’
Height: 12′
Spread: 2′
Serviceberry

Alleghany Serviceberry
Amelanchier laevis
Height: 15-20′
Spread: 15-20′

Autumn Brilliance Serviceberry
Amelanchier x grandiflora ‘Autumn Brilliance’
Height: 20-25′
Spread: 20-25′

Princess Diana Serviceberry
Amelanchier x grandiflora ‘Princess Diana’
Height: 20′
Spread: 15′

Shadblow Serviceberry
Amelanchier canadensis
Height: 20-25′
Spread: 10-15′
Smoke Tree

Grace Smoke Tree

Cotinus x ‘Grace’
Height: 12-15′
Spread: 12-15′
Green Smoke Tree
Height:
Spread:

Royal Purple Smoke Tree
Cotinus coggygria ‘Royal Purple’
Height: 15′
Spread: 10-12′

Velvet Cloak Smoke Tree
Cotinus coggygria ‘Velvet Cloak’
Height: 8-12′
Spread: 8-12′
Viburnum

Alleghany Viburnum
Viburnum rhytidophylloides ‘Allegheny’
Height: 10′
Spread: 10′

Blackhaw Viburnum
Viburnum prunifolium
Height: 10-15′
Spread: 6-10′

Chicago Lustre Viburnum
Viburnum dentatum ‘Synnestvedt’
Height: 10-12′
Spread: 8-10′

Pink Dawn Viburnum
Viburnum x bodnantense ‘Pink Dawn’
Height: 8-10′
Spread: 6-8′

Snowball Viburnum
Viburnum opulus ‘Sterile’
Height: 12′
Spread: 10′

Winterthur Viburnum
Viburnum nudum ‘Winterthur’
Height: 10′
Spread: 6′