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Prime-Ark® 45 Blackberry
Rubus x 'APF-45' PP #22,449
Pronunciation: ROO-bus
SKU #43651
An early-season, primocane-fruiting blackberry that produces very firm, high quality, tasty, dark purple-black, medium-sized berries with an excellent shelf life. Heaviest yield is on second-year canes beginning in early summer; first-year canes begin producing berries as summer progresses, often lasting into fall, extending the fruiting season. Deciduous.
LIGHT: Full sun
WATER: Water when top 2 inches of soil is dry.
SIZE: Canes reach 4 to 8 ft. tall, 3 to 6 ft. wide; prune to keep smaller.
We no longer grow this plant
Be Inspired: How to Use this Plant
| Bloom Time | Spring |
|---|---|
| Deciduous/Evergreen | Deciduous |
| Special Features | Showy Fruit, Edible, Benefits Birds |
| Growth Rate | Moderate |
| Flower Attributes | Showy Flowers |
| Patent Act | Asexual reproduction of plants protected by the Plant Patent Act is prohibited during the life of the patent. |
| Landscape Use | Barrier, Container, Espalier, Hedge |
| Flower Color | White |
| Foliage Color | Green |
| Companion Plants | Rosemary (Rosmarinus); Lavender (Lavandula); Yarrow (Achillea); Russian Sage (Perovskia); Salvia (Salvia) |
| Care Instructions | Provide fertile, mildly acidic, well-drained soil. Best in cool summer regions. Water deeply, regularly in first growing season to establish root system. Feed in early spring. After harvest, prune second-year canes that have fruited to the ground, leaving one-year-old canes to produce next season's crop. Train newer canes on a trellis. |
| History | Prime-Ark® 45 is a primocane-fruiting blackberry developed in 2009 by the University of Arkansas Division of Agriculture as part of their thriving, decades-old breeding program. Prime-Ark® 45 originated from seed produced by hand-pollination. It is distinguished by its very firm, medium-large, primocane berries with very good flavor and excellent post-harvest handling tolerance, excellent plant health, and erect canes. It patented in 2012. A self-fertile cultivar. |
| Lore | Blackberries are notable for their high nutritional contents of dietary fiber, vitamin C, vitamin K, folic acid - a B vitamin, and the essential mineral, manganese. Blackberries are essentially divided into two groups - primocane-fruiting and floricane-fruiting. Primocane-fruiting varieties produce flowers and fruit on canes that mature within their first year. Conversely, floricane-fruiting varieties, that do not develop any flowers or fruit on those primocanes, but rather the primocanes would be the subsequent year's floricanes, that will produce the flower and fruit. Generally, primocanes produce their fruit later in the season. A mix of floricane and primocane-producing plants in the garden provides an early season crop and a late season crop, ensuring an extended season of fresh fruit. Primocanes can be more heat sensitive and will produce best in regions that do not have excessively hot temperatures during the flower and fruit set. |
Details
| Bloom Time | Spring |
|---|---|
| Deciduous/Evergreen | Deciduous |
| Special Features | Showy Fruit, Edible, Benefits Birds |
| Growth Rate | Moderate |
| Flower Attributes | Showy Flowers |
| Patent Act | Asexual reproduction of plants protected by the Plant Patent Act is prohibited during the life of the patent. |
Style
| Landscape Use | Barrier, Container, Espalier, Hedge |
|---|---|
| Flower Color | White |
| Foliage Color | Green |
| Companion Plants | Rosemary (Rosmarinus); Lavender (Lavandula); Yarrow (Achillea); Russian Sage (Perovskia); Salvia (Salvia) |
Care
| Care Instructions | Provide fertile, mildly acidic, well-drained soil. Best in cool summer regions. Water deeply, regularly in first growing season to establish root system. Feed in early spring. After harvest, prune second-year canes that have fruited to the ground, leaving one-year-old canes to produce next season's crop. Train newer canes on a trellis. |
|---|
History
| History | Prime-Ark® 45 is a primocane-fruiting blackberry developed in 2009 by the University of Arkansas Division of Agriculture as part of their thriving, decades-old breeding program. Prime-Ark® 45 originated from seed produced by hand-pollination. It is distinguished by its very firm, medium-large, primocane berries with very good flavor and excellent post-harvest handling tolerance, excellent plant health, and erect canes. It patented in 2012. A self-fertile cultivar. |
|---|---|
| Lore | Blackberries are notable for their high nutritional contents of dietary fiber, vitamin C, vitamin K, folic acid - a B vitamin, and the essential mineral, manganese. Blackberries are essentially divided into two groups - primocane-fruiting and floricane-fruiting. Primocane-fruiting varieties produce flowers and fruit on canes that mature within their first year. Conversely, floricane-fruiting varieties, that do not develop any flowers or fruit on those primocanes, but rather the primocanes would be the subsequent year's floricanes, that will produce the flower and fruit. Generally, primocanes produce their fruit later in the season. A mix of floricane and primocane-producing plants in the garden provides an early season crop and a late season crop, ensuring an extended season of fresh fruit. Primocanes can be more heat sensitive and will produce best in regions that do not have excessively hot temperatures during the flower and fruit set. |
We no longer grow this plant
We no longer grow this plant
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About Us
We have been pioneers and craftsmen in the art of growing plants for nearly
100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.
We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.