Jostine Black Currant

The Jostine Black Currant plant, also known as Ribes nigrum 'Jostine', is a deciduous shrub that is valued for its ornamental qualities as well as its delicious fruit. The plant is a member of the Grossulariaceae family and can grow up to 6 feet tall and wide.

The Jostine Black Currant plant has dark green, lobed leaves that turn yellow in the fall. Its stems are woody and can be upright or slightly arching, and they are adorned with small, fragrant flowers in spring. The plant produces clusters of dark, glossy berries that are ready to be harvested in mid to late summer.

The Jostine Black Currant plant requires full sun to partial shade and well-draining, moist soil. It is hardy in USDA zones 3-7 and can tolerate cold temperatures as low as -40°F. It is also resistant to most common diseases and pests, making it an easy plant to care for.

Aside from being a tasty addition to desserts and jams, black currants are also high in vitamin C and antioxidants, making them a healthy snack. The Jostine variety is especially prized for its large, flavorful berries.

Overall, the Jostine Black Currant plant is a beautiful and productive addition to any garden, providing both aesthetic and culinary benefits.

Latin Name: Ribes rubrum

Site and Soil: Jostine Currant plants prefer well-drained soil and full to partial sun exposure.

Pollination Requirements: Jostine Currants are self-fertile, but planting more than one plant can increase yields.

Hardiness: Jostine Currants are hardy to USDA Zone 3 (-40°F/-40°C) and can withstand cold temperatures.

Bearing Age: Jostine Currant plants typically begin bearing fruit 2-3 years after planting.

Size at Maturity: Jostine Currant plants can grow up to 5-6 feet tall and wide.

Bloom Time: Jostine Currants bloom in early spring, usually in April or May, producing small, pink flowers.

Ripening Time: Jostine Currants ripen in mid to late July.

Yield: A mature Jostine Currant plant can produce up to 4-6 pounds of fruit per year.

Pests & Diseases: Jostine Currants can be susceptible to aphids, currant fruit fly, and powdery mildew. Regular inspection and maintenance can help prevent these issues.

USDA Zone: Jostine Currants are hardy to USDA Zone 3 (-40°F/-40°C).