First commercial cultivar of primocane-fruiting blackberry

Prime-Jan (patented as APF-8) was the first commercial cultivars of primocane-fruiting blackberry. This type of fruiting habit has the potential to revolutionize blackberry production much-like that occurring in primocane-fruiting red raspberries. This blackberry variety was intended primarily for home-garden production and for limited commercial trial evaluations. The source of the primocane-fruiting trait in this cultivar was the deploid cultivar Hillquist. Name of Prime-Jan was selected to... read more


Second commercial cultivar of primocane-fruiting blackberry

Prime-Jim (patented as APF-12) was the second commercial variety of primocane-fruiting blackberry. This type of fruiting habit has the potential to revolutionize blackberry production much-like that occurring in primocane-fruiting red raspberries. This blackberry variety was intended primarily for home-garden production and for limited commercial trial evaluations. Name of Prime-Jim was selected to honor Janita and James N. Moore, who founded the University of Arkansas fruit breeding program in... read more


Prickles-free erect-growing cultivar with large side canes and good winter resistance

Blackberry Relevant has been bred in the Republic of Moldova in 2013. This is vigorous, great looking plant with an erect habit and fully thornless upright branches. Relevant shows a tendency to produce side canes and becomes well-branched in time. Relevant fruits on biennial canes. Relevant is mid-early ripening blackberry. Yields are large.
Berries of Relevant are sweet with little acid and tart. Average berry weight is about 10 g.
Relevant blackberry has high resistant to unfavourable... read more


Two-season ripening prickly erect blackberry cultivar with high crop

Reuben is a late-season primocane blackberry bred at the University of Arkansas, USA, using specific targeted breeding, and selected in the UK for growing in UK and Northern Europe.
Rueben was introduced to broaden the choices of this innovative, prickly primocane-fruiting blackberry cultivar. This unique type of blackberry Reuben fruits on current-season canes (primocanes) and probably on second-season canes (floricanes), potentially providing for two cropping seasons, both traditional summer... read more


Floricane-fruiting cultivar from Experimental Station Of The Institute Of Horticulture, Brzezna, Poland

Blackberry Ruczaj is floricane-fruiting cultivar from Experimental Station Of The Institute Of Horticulture, Brzezna, Poland.
Ruczaj is vigorous plant without substitution stems. Stems are thick and strong, erect, up to 3 m in length, fully spikeless. New canes are bright green in color, but soon become hardwood.
First ripen berries appear at the middle of August. Fruits of Ruczaj are medium in size, glossy black in color and have oblong shape. Average berry weight is about 5 g. Yield is medium,... read more


Semi-erect vigorous productive cultivar

Schultz thornless blackberry is semi-erect vigorous productive cultivar, selected accidentally from test plants in experimental station and grown by Edible Landscaping. Height is about 1,5 m, then arch outwards. It has a very long period of ripening and fruits for 6-8 weeks with lots of berries at every picking. Pests and disease resistant is excellent, heat and sun tolerance is very good. Taste is wonderful.


Old American highly vigorous erect-growing thorny cultivar with long harvest period

Plants of the Shawnee are highly vigorous and prolific and row establishment following planting is rapid. Both primocanes and floricanes are very erect and the fruit is readily accessible to both machine and hand harvest. Thorn size and density are medium. Canes are not thick, about 15 mm at the base. Leaves are large, have yellow-green color.
Date of first blossom is third week of April. Flowers have white-yellow color with slight pink at border.
Average ripening date is third week of June. The... read more


Thornless, floricane-fruiting semi-upright plant with firm fruit, high yield

Shuofeng is new thornless, floricane-fruiting semi-upright plant with firm fruit, high yield, recommended for processing or fresh market. Breeded by Institute of Botany, China. Selected from Kiowa and Hull varieties. Vigor of bushes is very high, growth habit semi-upright. Fruits are medium-large sized, have round shape. Berries are bright black, flavor tart to sweet with low acid. Firmness is good, easily removed from receptacle. Ripening mid- to late-season. Shuofeng blackberry recommended for... read more


Old Australian trailing thorny cultivar with good tolerance to heavy soils, wind and drought

Silvan is a blackberry cultivar of exceptional quality and yield. It has good tolerance to heavy soils, wind and drought. Silvan has a Marion cultivar as one of the parents. The selection was made in 1964 in Department of Agriculture, Victoria, United States.
Primocanes emerge with a green color, but quickly assume a red tinge. They are densely armed with fragile thorns (3-5 mm size of each). Primocanes are trailing, may reach up to 9 m in length and up to 25 mm in basal diameter.
Fruit are... read more


Very productive thorny trailing blackberry variety for processing and fresh market

The primary goal of the US Department of Agriculture–Agricultural Research Service breeding program, in cooperation with Oregon State University, was the development of blackberry cultivars that will complement or replace Marion blackberry. While Marion fruits are ideal for processing, the plants are thorny and trailing, susceptible to winter injury, and were too soft and tender skinned for the fresh market. Black Butte variety, released in 1996, has extremely large fruit, and is early ripening... read more