Carmine Jewel Cherry vs Blue Boy Clematis - TreeTime.ca

Carmine Jewel Cherry vs Blue Boy Clematis

Prunus x kerrasis Carmine Jewel

Clematis integrifolia Blue Boy

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Carmine Jewel Cherry
Blue Boy Clematis

Carmine Jewel Cherry is a cold-hardy dwarf sour cherry. It is typically highly productive and one of the first varieties to ripen in summer. It produces deep red, tart fruit that are well-suited for fresh eating, baking, and preserves. In the spring, beautiful white flowers cover the branches, adding ornamental value.

Carmine Jewel Cherry was developed at the University of Saskatchewan. It is recommended to grow dwarf sour cherries as a shrub rather than a small tree. The shrub form tends to bear fruit earlier and is less susceptible to winterkill.

Sour cherries are self-fertile; however, planting with additional varieties for cross-pollination can increase yields.

Blue Boy Clematis is a cold-hardy, fast growing, woody climbing vine. Hundreds of stunning steel-blue bell shaped flowers adorn the vine throughout the summer that droop and appear to hang in the air. The fibrous stems spread and create a fan-like symmetry shape.

This species will do best with support from a trellis, fence, or even other shrubs or tree stumps.

The Blue Boy Clematis was developed in Manitoba, Canada in 1947 by famous breeder Frank L. Skinner by crossing C. integrifolia x C. viticella, but it didn’t gain popularity until the 1990’s.

Carmine Jewel Cherry Quick Facts

Blue Boy Clematis Quick Facts

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Zone: 2a
Zone: 2b
Height: 2.0 m (7 ft)
Height: 3 m (10 ft)
Spread: 1.8 m (6 ft)
Spread: 0.6 m (2.0 ft)
Moisture: normal
Moisture: normal, wet
Light: full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: yes
Catkins: no
Catkins: no
Fall colour: orange
Berries: large dark purple cherries
Fruit size: 3.5g
Flavor: tart - best for pies and jams
Harvest: late July to early August
Flowers: white
Flowers: steel blue
Growth rate: medium
Growth rate: medium
Life span: medium
Life span: medium
Suckering: low
Suckering: medium