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By DR. DIANE RELF Extension Environmental Horticulturist
Most perennial vines are woody or semiwoody climbing or trailing plants. Like shrubs, trees, and ground covers, vines can be important to any garden landscape. Each species and variety of vine possesses distinctive characteristics which make it well adapted to certain locations in the landscape plan.
Different vines for
different roles ; Some vines such as wisteria and grapes are valued for the shade they provide when trained over an arbor as well als the beautiful flowers or tasty fruit. Others, such as English ivy and Boston ivy, do well trained against the wall of a building or used to frame a doorway. Still others, like the Sweet Autumn Clematis, dramatically change a plain fence. Vines can be useful to fbrm a cascade of bloom on rough, steep banks while holding the soil in place.
Vines are generally separated into three general groups depending on how they climb. Some, like Boston ivy, climb by attaching small rootlike holdfasts to the wall as a means of support. Sometimes these are modified tendrils with small circular discs at the tips; others like English ivy, have small rootlets along the stem to firmly attach the vine to either brick or wood. These can damaging to wooden structures so care should be used in where they are allowed to grow.
Each needs appropriate
support to twine
The second group of vines, including clematis and grape, climb by attaching and winding tendrils or leaflike appendages, which act as tendrils, around the object on which they are growing.
The third group, which includes the wisteria, climb by twining. It is interesting to note that all vines do not twine in the same direction.
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