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Senin, 28 April 2008

Pruning bush roses

Pruning bush roses. The steps followed when pruning
bush-type and shrubs roses are: (1) remove all dead wood
down to the crown or 1 inch into healthy green canes; (2)
prune out all signs of canker; (3) remove all weak, spindly or
deformed growth (rule of thumb is to remove anything smaller
than the thickness of a pencil); (4) remove all canes growing
toward the center of the plant; (5) remove all suckers down to
the crown even if it means moving soil aside; and (6) finally,
thin out remaining healthy canes to the desired shape and
height.
Pruning climbers. Everblooming climbers should be
pruned in the spring after danger of frost. Spring-flowering
climbers are pruned after they have flowered. Large-flowered
climbers and climbing hybrid teas are treated in a similar
manner to the bush-type roses. Ramblers and other vigorous
growing climbers are best pruned after they have flowered for
the first time in the spring and occasionally will need to be
shaped once or twice through the summer. Regardless of the
type of climbing rose, follow the first five steps listed for
bush-type roses. Most climbing roses produce canes that
remain healthy for about 3 to 4 years, making it necessary to
remove older growth each season. The canes are cut to a
height of 18 to 30 inches to help shape the plant. Remove old,
faded flowers to encourage subsequent flushes of flowers on
the everblooming types of climbing roses.
This is easily done by picking off the old flower clusters,
leaving the leaves on the short flower-bearing lateral stems.

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