Boysenberry
Rubus ursinus × Rubus idaeus
ROO-meks san-GWIN-ee-us
Fruiting Plants: Boysenberry
Zone
3: -40° to -30°
Min. Temp
Frost Tolerant: 24°
Has far fewer and smaller thorns than other varieties. Boysenberries parentage includes blackberry, dewberry, loganberry, and raspberry. Plant them in a container and over winter in a cold dark place. You can expect fruit as early as its second season.
Appearance
Summer Foliage
Green
Fall Foliage
Red
Flower Color
White
Blooming Time
Late Spring - Late Summer
Habit
Bush
Height
6–8 ft
Spread
6–8 ft
Characteristics
Type
Hybrid
Safety
Edible Parts
Growth Rate
Fast
Tolerance/Resistance
Cold Hardy
Attracts
Attracts Honeybees & Pollinators; Attracts Birds
Uses/Placement
Culinary
Optimal Growing Conditions
Sun Exposure
Full Sun: 8-12 hrs
Soil Texture
Adaptable
Soil Drainage
Well-drained
Soil Moisture
Moist
Soil PH
Slightly Acidic: 6.0-6.5
PH Tolerance
Prefers slightly acidic soil
PH Correction
Acidic soil improves flowering and fruiting
Soil Amendment(s)
Organic Matter Recommended
Fertilizer
Moderate Feeder
Fertilizer Formula
10-10-10
Fertilizer Timing
Pre-Fruiting
Micronutrients
Iron Supplement Recommended
Care
Behavior and Propagation
Spreading
Aggressive Spreader
Propagation Method
Rhizomes/Suckers
Fruit and Pollination
Season
Mid Season
Fruit Size
Large
Fruit Characteristics
Sweet-Tart
Ploidy
Diploid
Brix Rating
9 Sweet
Pollination
Self-pollinating
Chill Hours
Medium Chill 401–800 hours