Friday, September 23, 2011

Virginia Creeper

Plant taxonomy classifies Virginia creeper (or "woodbine") as Parthenocissus quinquefolia. Engleman's ivy (Parthenocissus quinquefolia 'engelmannii') is a cultivar (sometimes given as 'engelmanii').

If you live in eastern North America, you probably don't need to grow Parthenocissus quinquefolia in your yard, because chances are good that it's growing nearby anyway, perhaps along a road you drive every day (where you can get your fill of it!).

But if you live somewhere where Parthenocissus quinquefolia is not a native plant, perhaps you've considered growing it (many have). If so, keep some caveats about this vine in mind:

Parthenocissus quinquefolia is a vigorous grower and may get out of hand if not kept in check with equal vigor. Sticky, disk-like appendages on its tendrils adhere to wall siding, making it difficult to remove. Don't grow this on walls unless you wish it to be permanent! Virginia creeper will climb trees and cast shade on their leaves, thus depriving them of needed sunlight. Don't allow it to grow on specimen trees!

Possible solutions to the above problems (in order): Grow Engleman's ivy; this cultivar is considered less vigorous. If you want the look of a wall covered with Virginia creeper, but without the risk, install a trellis near the wall and grow Parthenocissus quinquefolia on the trellis (keeping it well trimmed). Don't allow Virginia creeper to grow on specimen trees! Instead, grow it on garden arbors or on fences.

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