Professor Buczacki is a borticultural expert, weiter and former chair of Gardeners Question Time

Professor Buczacki is a horticultural expert, writer and former chair of Gardeners' Question Time

Looking after shrub and climbing roses Cut back, feed ...

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At the end of last year, the heavily tilting Cotoneaster cornubia in the shadiest corner of my garden finally slumped to the ground. There wasn’t a storm: the poor tree had simply spent too long veeri