Chesapeake blackberry variety

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Very vigorous thorny erect-growing blackberry variety with giant berries

Originated from a cross of

Originated from a cross of Shawnee x Rubus cuneifolius (wild blackberry)

Plants are

Plants are thorny

Bushes have

Bushes have erect canes

Fruit weight is

Fruit weight is 15 g

Shape

Berries have a conical shape

Fruiting habit

Fruiting habit - floricane fruiting (summer-bearing)

Flowering on floricanes starts in the

Flowering on floricanes starts in the second week of May

Ripening date (regular) -

Ripening date (regular) - third week of June

Cold hardiness is

Cold hardiness is moderate

Country of origin

Country of origin - United States

Patent

Patent US 2003/0024021 P1 dated January 29, 2003

Current status

Current status - obsolete or rarely used


Chesapeake blackberry, which has a Shawnee cultivar as parent, may be distinguished from othe large-fruited thorny varieties, such as Kiowa, by the recurvature of its spines and flavor of its fruit. It may be distinguished from Black Butte by the type of spines and its erectness, compared to the semi-erect habit of the large fruited Black Butte. The presence of thorns and the size of the fruit distinguish Chesapeake from popular thornles cultivars such as Arapaho, Navaho, Hull Thornless, Triple Crown and Chester Thornless. Chesapeake blackberry cultivar was bred by University of Maryland.
Plants are very erect, growing to 4 m or taller when mature. Chesapeake produces a moderate number of root and crown-stems. During the growing season, primocanes are light green colored with a light red blush in full sun, fluted or moderately grooved, usually branched, very erect with arching branches and very vigorous. Floricane color is brown. Canes can flower from all live buds in April to May depending on region, and fruit from mid June to late July.
Cheasapeake produces fruit which is much larger and more flavorful than the Black Butte and Kiowa. Fruit is decidedly thick elongate (commonly up to 4 cm in length and 2 cm in width), very large (15-22 g primary fruit) and somewhat asymmetrical due to variation in drupelet placement. The fruit is very juicy when crushed and the drupelets are relatively large. Seed size is large, averaging 4.6 mg per seed fresh weight. Fruit flavor is sweet, even when the fruit is unripe.
The plant is field resistant to many of the common pests and diseases, for example mildew and Phytophthora fragarae, root rot and fruit rot.
Cheasapeake is moderately cold hardy, it is not recommended for areas where the minimum winter temperature is less than minus 18 С.

Useful Growing Guides

Useful Growing Guides:

Castilla (Andean berry)
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Chester Thornless
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