Wonderberry (Sunberry) Seeds – Solanum Burbankii Retroflexum Edible Fruit Shrub

The Wonderberry (Sunberry), scientifically known as Solanum burbankii retroflexum, is a unique and hardy edible fruit shrub developed by the legendary horticulturist Luther Burbank. This compact plant yields abundant clusters of deep purple-black berries with a mild, sweet flavor that intensifies when cooked.

A favorite among gardeners for its fast growth, high yield, and versatility, the Wonderberry is perfect for making jams, jellies, syrups, and desserts. The plant thrives in containers, raised beds, and garden plots, offering both ornamental beauty and a steady supply of berries through summer and early fall.

Features

• 🍇 Edible & Delicious: Mildly sweet berries ideal for cooking and preserving.
• 🌿 Compact Shrub: Grows easily in pots or garden beds.
• ☀️ Fast Growing: Fruits within the first growing season.
• 🦋 Attracts Pollinators: Small white flowers invite bees and beneficial insects.
• 🪴 Low Maintenance: Drought-tolerant and resilient once established.
• 🌎 Non-GMO Seeds: Naturally grown and untreated.

Specifications

• Common Names: Wonderberry, Sunberry, Garden Huckleberry
• Scientific Name: Solanum burbankii retroflexum
• Plant Type: Annual to short-lived perennial shrub
• USDA Zones: 3 – 10
• Mature Height: 18 – 36 in (45 – 90 cm)
• Spread: 18 – 30 in (45 – 75 cm)
• Light Requirements: Full sun
• Soil Type: Well-drained, fertile soil
• Soil pH: 6.0 – 7.5
• Bloom Time: Late spring to summer
• Fruit Time: Mid to late summer
• Fruit Color: Deep purple to black
• Growth Rate: Fast
• GMO Status: 100% Non-GMO

Planting Guide

• Sowing Time: Start seeds indoors 6–8 weeks before the last frost or direct sow after frost danger passes.
• Seed Depth: ¼ inch (0.6 cm).
• Soil Temperature: 70–80°F (21–27°C) for germination.
• Watering: Keep soil evenly moist but not waterlogged.
• Germination Time: 10–20 days.
• Transplanting: Move seedlings outdoors when temperatures stay above 55°F (13°C).
• Spacing: 18–24 inches (45–60 cm) apart.
• Harvesting: Pick berries when fully ripe and deep purple-black; unripe green berries are not edible.

Care Tips

• Mulch around the base to retain moisture and suppress weeds.
• Pinch back the tips for a bushier growth habit.
• Water regularly during fruiting.
• Harvest regularly to encourage continuous berry production.
• Perfect for pots, borders, or companion planting with herbs and vegetables.