Botanical profile

Vaccinium corymbosum 'Sweetheart'

Latin name
Vaccinium corymbosum 'Sweetheart'
Common name
Highbush cornflower 'Sweetheart'
Type
Fruit shrub
Family
Ericaceae

Vaccinium corymbosum ‘Sweetheart’ is a highbush blueberry known for its double fruiting and high productivity. This deciduous shrub develops an upright habit, slightly taller than wide, forming a structured clump ideal for vegetable gardens, edible borders, and ornamental fruit plantings. In spring, delicate pinkish-white bell-shaped flowers appear, attracting pollinators. A first harvest of large, sweet blueberries occurs in early summer, often followed by a second production at the end of the season when conditions are favorable. Its dark green foliage turns beautiful orange-red hues in autumn, adding significant decorative interest. Vaccinium corymbosum ‘Sweetheart’ prefers acidic, organic-rich, well-drained soil and sunny exposure to optimize fruit quality.

Care guide

Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 5
Exposure
Sun
Watering
Regular watering
Fertilization
Acid-loving fertilizer in spring. Fertilize monthly or as directed on the bag. Not recommended – use Bionik rooting agent or ground bone.
Soil type
Acidic, rich, moist and well-drained
Minimum temperature
'-40°C
Plant appearance

Blooming, foliage and shape

Blooming period
Spring
Flower color
White
Fruiting
Large sweet blueberries, early production followed by a second late harvest
Foliage color
Green
Foliage type
Obsolete
Shape
Fruit shrub
Garden structure

Size and growth

Height
1.2 to 1.5 m (4 to 5 feet)
Width
1.5 m (5 feet)
Growth rate
average
Vegetable garden and yield

Companion planting, spacing and harvest

Fruit tree type
Double-cropping blueberry
Pet friendly
Safe for pets

Pets

Pollinators
Attracts or supports pollinating insects

Pollinators

Butterflies
Plants that attract butterflies

Butterflies

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.