Acer ginnala ‘Flame’
Flame Amur Maple

Amelanchier canadensis
Shadblow Serviceberry

Amelanchier x grandiflora
Princess Diana, Autumn Brilliance Serviceberry

Amelanchier laevis
Allegheny Serviceberry

Betula populifolia ‘Whitespire’
Whitespire Gray Birch

Cercis canadensis
Eastern Redbud (northern strain) 

Crataegus crus-galli var. inermis
Thornless Cockspur Hawthorn

Crataegus viridis ‘Winter King’
Winter King Hawthorn

Malus ‘Donald Wyman’
Donald Wyman Crabapple

Malus ‘Schmidtcutleaf’
Golden Raindrops® Crabapple

Malus ‘Prairifire’
Prairifi re Crabapple

Malus ‘Purple Prince’
Purple Prince Crabapple

Malus ‘Jewelcole’
Red Jewel™ Crabapple

Malus sargentii
Sargent Crabapple (measured by width) 

Pyrus calleryana ‘Aristocrat’
Aristocrat® Callery Pear

Pyrus calleryana ‘Cleveland Select’
Chanticleer® Pear

Syringa pekinensis ‘Morton’
China Snow® Lilac

Syringa reticulata japonica ‘Ivory Silk’
Ivory Silk Japanese Tree Lilac