Rubus leucodermis
A North American Rosaceae shrub with armed, pruinose stems and prickles, palmately compound leaves with stalked lateral leaflets, white flowers, and reddish-purple to nearly black, depressed globose to conic drupes.
Common Names
Whitebark Raspberry, Blackcap Raspberry, Western Raspberry, Black Raspberry, Blue Raspberry, Blackcap
Summary
Blackcap Raspberry is a native Western North American deciduous shrub-vine with arching canes reaching up to about 6 ft, armed with recurved prickles and a whitish waxy bloom on older stems; leaves are palmately compound, usually 3–5 leaflets with serrate margins; flowers are white to pink; fruits are edible drupes that mature red to reddish-purple and then dark purple to black, often forming dense thickets in fields and open woodlands.
It prefers full sun to part shade and well-drained loam with regular water; self-fertile and deer resistant; hardy to USDA zones 5–8; propagation by seed stratification, cuttings, layering, or division; pruning involves biennial canes, removing dead canes and maintaining 4–6 main fruiting canes with lateral branches pruned to 8–10 buds; edible berries used raw or cooked in jams and pies, and the leaves brew a vitamin C–rich tea; habitat includes fields and open woodlands.
Lifecycle
Perennial
Height
3 ft 6 in – 10 ft
Spread
6-8 feet
Hardiness Zones
Zones 5-8
Sunlight Requirements
Ideally full sun to partial shade.
Soil Type
Well-drained loamy soil
Soil Drainage
Well-draining soil.
Soil pH
5.6-7.3
Bloom Color
White to pink, primarily white with pink variation, occasional light purple
Bloom Time
Spring to early Summer
Foliage Color
Green with white undersides.
Fall Foliage Color
Red, Gold, Brown
Leaf Lifecycle
Deciduous
Growth Rate
Fast
Seasons of Interest
Spring, Summer, Fall
Propagation Methods
Seeds, Cuttings, Division, Layering, Sprigs, Bare root
Attracts Wildlife
Attracts birds, Attracts butterflies, Attracts other pollinators
Taxonomy
- Taxonomic Rank
- Species
- Author
- (Douglas ex Hook.) Douglas ex Torr. & A.Gray
- Publication
- Fl. N. Amer. 1: 454 (1840)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Rosales
- Family
- Rosaceae
- Genus
- Rubus
Inferior Taxa
Rubus leucodermis var. leucodermis Rubus leucodermis var. nigerrimus
Synonyms
Melanobatus leucodermis Rubus occidentalis subsp. leucodermis Rubus occidentalis var. leucodermis