Hardiness: USDA Zone 2a: to -45.5 °C (-50 °F) USDA Zone 2b: to -42.7 °C (-45 °F) USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F)
On Jan 14, 2008, Chickadee12 from Brookfield, CT (Zone 5b) wrote:
Mountain cranberry is a common plant in northern regions of America, Europe, and Asia. In Connecticut, however, it is believed to be extinct. The plant has red, edible berries that ripen in August or September.
• Family: Heath (Ericaceae)
• Habitat: rocky and peaty places
• Height: 2-7 inches
• Flower size: 1/4 inch across
• Flower color: pink
• Flowering time: June to July
• Origin: native
This information is from The Connecticut Botonical Society
On Oct 1, 2006, Grasmussen from Anchorage, AK (Zone 4a) wrote:
There are two recognised subspecies of Vaccinium vitis-idaea. One subspecies of vitis-idaea occurs throughout northern Europe and Asia. It is the taller one, 12" or more.
The other subspecies is common in Alaska and Canada. It is a Creeping, evergreen sub-shrub to 6” high with urn-shaped white to pink flowers in summer, edible red berries. Hardy to –40 degrees
On Sep 17, 2004, tcfromky from Mercer, PA (Zone 5a) wrote:
This plant is originally from Europe and has ornamental flowers, leaves and fruits. It reaches a height of 12' and is hardy to zone 2. If planted in hotter climates, such as zone 8, it's best to plant in the shade.
This plant has been said to grow in the following regions:
Berkeley, California Woodland, Minnesota Francestown, New Hampshire Laflin, Pennsylvania Seattle, Washington