Vaccinium macrocarpon (F)

RHS Plant Profile
American cranberry

Other common names

cranberry, large cranberry

Synonyms

Oxycoccus macrocarpos
Oxycoccus macrocarpus

Shrubs Fruit Edible

A prostrate, mat-forming, evergreen shrub that is well suited to boggy garden conditions, with dark green foliage that turns bronze in winter and bell-shaped, pink flowers appearing in summer followed by edible red fruits in autumn

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
10–20 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Well–drained or Moist but well–drained
pH
Acid

Position

Full sun Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ericaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Spreading branched
Genus
Vaccinium can be evergreen or deciduous shrubs or small trees, with simple leaves and small, bell- or urn-shaped flowers followed by juicy, sometimes edible berries
Name Status
Correct
Horticultural Group
This genus produces fruit, but not necessarily edible fruit
Plant Range
North America

How to Grow

Cultivation

Grow in full sun to partial shade in moist but well drained acidic soil. Suited to boggy conditions, keep moist all year. See blueberry cultivation

Propagation

Propagate by taking softwood cuttings in late spring or semi-ripe cuttings in early summer

Suggested planting locations and garden types

  • Ground cover
  • Edible fruit

Pruning

Prune after harvesting to stimulate the production of vigorous uprights that will bear more fruit. Remove deadwood. See pruning blueberries

Pests

May be susceptible to caterpillars

Diseases

May be susceptible to honey fungus (rarely), powdery mildews, root rot and chlorosis due to iron and manganese deficiency; see nutrient deficiencies