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Physical description: Cranberry has a low growing, trailing, and sprawling
habit. It can reach 1 to 4 in. tall and spread indefinitely.
The evergreen leaves are simple and alternate, reach ¼
to ¾ in. long by 1/10 to 1/3 in. wide, and are light green
and maroon colored when young. With maturity, leaves become shiny
dark green. Flowering occurs in early to mid-summer, and the
flowers, in clusters of four or five, are light pink and 1/3
to ½ in. wide. The fruit is a red berry about 1/3 to 2/3
in. in diameter.
Optimal growing conditions: As with other species of Vaccinium, Cranberry
prefers full sun or light shade in a well-drained soil, although
the plant can perform in a constantly moist soil. Sandy or organic,
acidic soils are often just as good. This plant can tolerate
some infrequent foot traffic. Winter hardiness: It withstands
extremely cold temperatures, and is reliable in Zones 1 to 7.
Susceptibility to pests and diseases: Diseases like dieback, leaf spot, and viral ring
spot may be problematic. Insect problems include gall wasp, scales,
azalea stem borer, and forest tent caterpillar.
Use:
Cranberry is mainly used as a ground cover in sandy or organic
soils.
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