By Ianchristie
Tyne And Wear,
United Kingdom 
My spring planted climbers, clematis and honeysuckle(in large planters) are now nearly 12ft tall and still growing. Should i cut them back now to encourage growth lower down the stem. My trellis is only 6ft so above this theyre supportes on canes
26 Aug, 2010
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No, don't cut them back now. Honeysuckle, where you live, best done in Spring, when you can reduce the height and remove any dead or weak wood, though a light trim, or removal of a few overly long growths won't do too much harm now. As for the Clematis, depends which variety you have, the pruning is different for different varieties.
26 Aug, 2010