Princess Kay Canadian plum (Prunus nigra 'Princess Kay')

USDA Hardiness Zones

USDA hardiness zones
Princess Kay Canadian plum
Princess Kay Canadian plum Princess Kay Canadian plum
Princess Kay Canadian plum (Prunus nigra 'Princess Kay')
Zone Zone  more information
Hardy to zone 2
Mature Height Mature Height
15 to 20 feet
Mature Spread Mature Spread
10 to 15 feet
Growth Rate Growth Rate
Sun Sun
Full Sun
Moisture Moisture
Moist soil, well drained
Fall Color Fall Color
Attracts Wildlife Attracts Wildlife
Flower Flower
Fruit Fruit
Evergreen Evergreen
Native to WI Native to WI
Additional Information Additional Information
upright, narrow, oval form; 15-20’ tall; 10-15’ wide; double, white flowers in clusters in early May; large, yellow-red fruit that shrivels on the tree; full sun; adaptable to most soils and pH; needs well-drained soil; intolerant to poorly drained, compacted soil; susceptible to a number of insect and disease problems; native to Wisconsin; hardy to zone 2

UW Extension
For more information, see the UW Extension Urban Horticulture Team Web site:
Primary Author: Dr. Laura Jull
Photos by: Dr. Laura Jull and Dr. Ed Hasselkus

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Planting the Right Tree in the Right Place