Description
Sweetheart is a 2010 USDA-ARS blueberry release that carries two crops in a single season and turns fiery burgundy, orange, and red in fall, giving the compact bush real year-round ornamental presence alongside its heavy fruit production. Large, sweet, firm berries ripen in late May into early June, with a lighter second crop following in August in favorable climates.
- USDA-ARS release (2010); Northern by Southern highbush hybrid.
- Double-cropping in favorable climates: heavy late spring, lighter August.
- Large, sweet, firm berries with productive mature yields around 15 lbs per bush.
- Fiery burgundy, orange, and red fall foliage on glossy dark-green summer leaves.
- Compact upright bush at 4-6 ft; partially self-fertile, cold-hardy across roughly USDA Zone 5-8.
