BOYSENBERRY
Boysenberries, like dewberries and logan berries are
a trailing type of blackberries. Plants grow horizontally, compared to
the erect habit of most blackberries. To grow, most plants are tied to
supports or wires to limit their trailing habit. Fruits are sweeter, ripen
sooner and are in looser clusters.
Boysenberries are not winter hardy and need protection
from cold temperatures. Plants should be untied from supports and lain
horizontally after the ground starts freezing. Cover canes with straw
or loose hay at least a foot or more.
Prune boysenberries in a similar fashion to blackberries.
Boysenberries, like most trailing blackberries, are
difficult to grow in Illinois. Choose a protected location and expect
a crop every five to ten years. Be proud if you succeed more often.
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