Malus × 'Professor Sprenger'
Professor Sprenger Flowering Crabapple

Family:

Rosaceae (Rose Family) 217

Genus:

Malus (Apple, Crabapple, Flowering Crabapple) 77

Plant Type:

Tree 583

Growth Forms:

Upright 578

Hardiness:

USDA Zone 4 523

Deciduous / Evergreen:

Deciduous 849

Flower Notes:

Red;white (Buds red to pink; flowers single, white, and in clusters; May)

Foliage Notes:

Green (Dark green summer foliage); Yellow (Fall color)

Fruit Notes:

Red (Excellent 0.5" dia. orangish-red crabapples (pomes); persistent into November and December)

Ultimate Height:

20 feet

Ultimate Spread:

20-25 feet

Light Requirements:

Soil Notes:

Well-drained heavy loam soils

Range:

Cultivated origin

Diagnostic Characteristics:

Simple, elliptical leaves (up to 2" long) in clusters on short spurs. Buds have several imbricate scales and are usually reddish-brown with hairs protruding under scales. Fruits have multiple seeds (as compared to the single seed pit of Prunus species). The bark of mature trees is gray to brown and scaly.

Purdue Plant Doctor

Parts and Problems of Crabapple, Crabtree

Special Characteristics:

Flowering Characteristics 356

Fragrant Flowers 192

Fruiting Characteristics 114

Additional Information

The Flowering Crabapple is a popular small ornamental tree with an extremely showy flower display in the spring. 'Professor Sprenger' is a white-flowering cultivar that has good resistance to pests and diseases in general, although it can be slightly to moderately susceptible to fireblight and apple scab. Tends to flower and fruit in alternate years. Well-drained heavy loam soils and full sun promote best growth.