Thornless Boysenberry
Rubus ursinus 'Thornless Boysen'
Prolific producer of sweet-tart, large, reddish fruit in midsummer of second season. Small white flowers precede fruit on thornless canes. Fruit can be eaten fresh, cooked or frozen. Deciduous.
| Key feature: | Edible |
| Plant type: | Vine - Requires Support |
| Deciduous/evergreen: | Deciduous |
| Cold hardiness zones: | 5 - 9 |
| Light needs: | Full sun |
| Water Needs: | Needs regular watering - weekly, or more often in extreme heat. |
| Average landscape size: | Fast grower to 5 to 6 ft. tall and wide. |
| Growth rate: | Fast |
| Special features: | Attracts Birds, Edible, Ornamental Berries |
| Landscape use: | Mass Planting |
| Flower color: | White |
| Blooms: | Spring |
| Foliage color: | Green |
| Item no.: | 6991 |
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Care Information
Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Feed with a commercial fertilizer before new growth begins in spring. Train one-year-old canes on trellis, prune canes that have fruited.
Design Ideas
Plant this tasty berry near a fence, wall or wherever you can provide plenty of support and room for its fruit-laden, thornless canes. Grow as a freestanding shrub in a large garden bed and stake canes. This berry is an excellent addition to the fruit and kitchen garden.
Companion Plants
Kitchen garden companions include flowering crabapples, such as Indian Magic Crabapple (Malus x 'Indian Magic') and eating apples such as the narrow-growing Crimson SpireTM (Malus x ColonnadeTM 'Obelisk'). Flowers for cutting, also a component of the kitchen garden, can include Purple Coneflower (Echinacea purpurea) and Double Pink Peony (Paeonia lactiflora 'Double Pink Peony').
History
The genus Rubus includes many different plants collectively known as "brambles" because they share viney growth and wickedly sharp thorns. This species is native to California and Oregon, named from the Latin for bear, the local wildlife that fed most heavily on the fruit. This thornless form was developed in California from the 1923 cultivar, 'Boysen'.
Lore
The name blackberry is a misnomer because this isn't a true berry. It's a drupe, an entirely different sort of fruit.
Prolific producer of sweet-tart, large, reddish fruit in midsummer of second season. Small white flowers precede fruit on thornless canes. Fruit can be eaten fresh, cooked or frozen. Deciduous.
Care Information
Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Feed with a commercial fertilizer before new growth begins in spring. Train one-year-old canes on trellis, prune canes that have fruited.
Design Ideas
Plant this tasty berry near a fence, wall or wherever you can provide plenty of support and room for its fruit-laden, thornless canes. Grow as a freestanding shrub in a large garden bed and stake canes. This berry is an excellent addition to the fruit and kitchen garden.
Companion Plants
Kitchen garden companions include flowering crabapples, such as Indian Magic Crabapple (Malus x 'Indian Magic') and eating apples such as the narrow-growing Crimson SpireTM (Malus x ColonnadeTM 'Obelisk'). Flowers for cutting, also a component of the kitchen garden, can include Purple Coneflower (Echinacea purpurea) and Double Pink Peony (Paeonia lactiflora 'Double Pink Peony').
History
The genus Rubus includes many different plants collectively known as "brambles" because they share viney growth and wickedly sharp thorns. This species is native to California and Oregon, named from the Latin for bear, the local wildlife that fed most heavily on the fruit. This thornless form was developed in California from the 1923 cultivar, 'Boysen'.
Lore
The name blackberry is a misnomer because this isn't a true berry. It's a drupe, an entirely different sort of fruit.
| Key feature: | Edible |
| Plant type: | Vine - Requires Support |
| Deciduous/evergreen: | Deciduous |
| Cold hardiness zones: | 5 - 9 |
| Light needs: | Full sun |
| Water Needs: | Needs regular watering - weekly, or more often in extreme heat. |
| Average landscape size: | Fast grower to 5 to 6 ft. tall and wide. |
| Growth rate: | Fast |
| Special features: | Attracts Birds, Edible, Ornamental Berries |
| Landscape use: | Mass Planting |
| Flower color: | White |
| Blooms: | Spring |
| Foliage color: | Green |
| Item no.: | 6991 |
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Monrovia soil products
The best fertilizer to use with this plant is Fruit Tree & Vine .view soil products
