
Chester
- A semi-erect blackberry developed by the USDA-ARS in Illinois and Maryland from a cross between a breeding selection and ‘Thornfree’
- Medium (~5g) sized fruit; deep black color; round shape; medium number of drupelets per fruit; large size seeds;
- Good flavor but very different and less aromatic than trailing blackberry (i.e. ‘Marion’)
- Thornless; very high yielding
- Late ripening season; typically begins in mid-August and can go until frost.
Kotata
- From a cross of two USDA selections; grandparents include Boysenberry, two wild Northwest blackberries and an eastern blackberry.
- Medium to large (6-7g) fruit; deep black color; medium seed.
- Fresh season is typically July 1 – July 24.
Loganberry
- A cross between blackberry and red raspberry.
- Commonly used in pies and wines. Has unique, tart flavor.
- Medium size (5.0g), deep red, medium seed.
- Fresh season is typically June 20 – July 10.

Silvan
- A trailing blackberry from a cross of ORUS 742 x Marion; cross was made by G.F. Waldo with USDA-ARS in Corvallis who sent the seed to Australia (Victoria) where the original selection and development took place.
- Generally similar to ‘Marion’ in growth habit, yield and fruit quality.
- High yields produced on very vigorous, thorny plant
- Medium-large (6.2 g) fruit, larger than ‘Marion’; purple-black color; excellent flavor; excellent processing characteristics. Fresh fruit are not as firm as ‘Marion’
- Early ripening (2-6 days before ‘Marion’) typically beginning in late June and extending until about the end of July.
- Growers report greater winter hardiness than ‘Marion’
Waldo
- From a cross of two USDA selections, one grandparent is Marion.
- Medium to large (6-7g) fruit; deep black color; very uniform conic shape; high number of drupelets per fruit; medium size seeds.
- Thornless; easier on workers and eliminates thorn contaminants concerns.
- Late ripening; fresh season is typically July 15 to August 10.
Black Diamond
- Thornless, high yielding
- Trailing type
- Medium – large berry – 5.8g
- Dark purple to black color
- Medium acidity in flavor
- Firm fresh berry
- Small seeds
- Mainly grown for processed market
- Fresh season: June 28– July 21
- Brix – 11.7, pH 3.34 , TA 13.5
Black Pearl
- Thornless, yield similar to Marionberry
- Trailing type
- Medium – large berry 6.2g
- Dark purple to black color
- Medium acidity with aromatic flavor
- Firm fresh berry
- Small seeds
- Grown for both fresh and processed market
- Fresh Season: July 3 – July 24
- Brix 13.42, pH 3.27, TA 15.96
Nightfall
- Thornless, yield similar to Marionberry
- Trailing type
- Medium –large berry 6.2g
- Dark purple to black color
- Very acid, tart flavor
- Firm fresh berry
- Small seeds
- Mainly grown for processing
- Fresh season: July 3- July 24
- Brix – 12.75, pH 3.08, TA 30.15
Obsidian
- Thorns, yield higher than Marionberry
- Trailing type
- Large size berry – 6.8g
- Very dark to glossy black color
- Medium acidity
- Firm fresh berry
- Small to medium sees
- Grown for fresh and processed market
- Fresh season – June 25 – July 15
- Brix – 12.44, pH – 3.23, TA – 18.33
Onyx
- Medium – Large berry 6.1 g
- Dark purple to black color
- Medium acidity
- Very firm fresh berry
- Small seeds
- Grown mainly for fresh market
- Fresh season – July 7-August 1
- Brix – 12.69, pH – 3.53, TA- 11.08
Ouachita
- Thornless, high yielding
- Erect culitvar
- Medium sized berry 5.0g
- Dark purple to black color
- Medium acidity, aromatic
- Firm fresh berry
- Large seeds
- Grown mainly for fresh market
- Fresh season – July 27-September 1
- Brix – 10.74, pH – 3.37, TA – 10,52
Triple Crown
- Thornless, high yielding
- Semi erect cultivar
- Large berry 7.0g
- Dark red to black color
- Sweet, pleasant, well balanced flavor
- Firm fresh berry
- Large seeds
- Mainly grown for fresh market
- Fresh season – August 4 – September 21
- Brix – 13.34, pH – 3.48, TA – 8.77
