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What’s a boysenberry? It’s an amazing hybrid berry with genetics that come from raspberries, blackberries and loganberries, which in themselves are a mix of raspberries and blackberries. These vining brambles produce large, dark berries that look like blackberries when fully ripe. They are sweet in flavor with a hint of tartness.
They were developed by Rudolph Boysen in Anaheim, California but made popular by Walter and Cordelia Knott of Knott's Berry Farm when sold as jams, preserves, and pies.
ABOUT THIS PLANT
Botanic Name: Rubinus ursinus x idaeus
Common Names: Boysenberry,
Native to: Southern California
Hardiness Zone: Zone 5- Zone 9
Fruiting Season: Late July
Growth Structure: Thorny bramble bush that grows 5-6 ft long branches.
Fertility Preference: ★ ★ ★ ★ ★
Water Preference: ★ ★ ★ ★ ★
Sun & Light Preference: ★ ★ ★ ★ ★
Boysenberries are a vining bramble and require a trellis for optimal growth and harvesting. Plant them in a sunny location in well-draining soil. Make sure to water them at the base to avoid fungus growth on leaves.