Jupiter Grapevine is a distinguished seedless variety celebrated for its harmonious blend of muscat and labrusca flavors. Developed by the University of Arkansas, this grapevine produces large, oval, blue to blue-black berries that are deliciously sweet.

Key Features:

Flavor Profile: A unique combination of muscat and labrusca flavors, offering a sweet and mildly aromatic taste.
Berry Characteristics: Large, oval berries that transition from reddish-blue to deep blue upon full ripeness, typically achieved from mid-August through September.
Cluster Formation: Produces medium to large clusters that are well-filled yet not overly tight, facilitating ease of handling and packaging.

Growing Information:

Hardiness: Moderately hardy, withstanding temperatures down to approximately -12°F. In regions with colder winters, protective measures such as high tunnel cultivation are recommended to prevent winter injury.
Ripening Period: Early to mid-season ripening, typically from mid-August through September, allowing for an extended harvest window.
Bud Break: Exhibits early bud break, necessitating caution in areas prone to late spring frosts.

Cultivation Tips:

Support: High wire training is recommended to accommodate the vine's growth habit and optimize fruit exposure.
Soil Requirements: Prefers well-drained, fertile soils with a pH between 5.5 and 6.5. Incorporating organic matter can enhance soil structure and nutrient availability.
Sunlight: Requires full sun exposure, receiving at least 6-8 hours of direct sunlight daily to ensure optimal fruit development and sugar accumulation.
Watering: Maintain consistent soil moisture, especially during dry spells. However, avoid waterlogging, as excessive moisture can lead to root diseases.
Pruning: Annual pruning is essential for full crops; spur pruning is recommended for best production. Prune during dormancy to promote healthy growth and maximize fruit production.

Pest and Disease Management:

Jupiter exhibits moderate resistance to common grape diseases, including black rot, powdery mildew, and anthracnose. Regular monitoring and the application of a commercial fungicide program can help maintain vine health.

Pollination:

The Jupiter Grapevine is self-pollinating, eliminating the need for multiple plants for fruit set. However, planting additional grapevine varieties nearby can enhance cross-pollination, potentially improving yield and fruit quality.

Our Jupiter Grapevines are sourced from reputable suppliers in Vermont and are guaranteed non-GMO.

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