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Sometimes shoots appear on previously plain-leaved plants with attractive variegations, and these can then be propagated by nurserymen to make a new plant. But the new variegated plant might try to revert to all-green foliage because the mutation isn't stable. If left, this all-g...

Aptly named blackspot is a fungus that causes dark spotting on rose leaves and stems. Eventually, leaves turn yellow and drop off before autumn. Spores overwinter on the fallen leaves and re-infect the plant in spring when new foliage appears. Plants can be weakened by recurrent ...

Rose powdery mildew is a fungus that produces airborne spores from infected stems or buds on roses. After overwintering on your plants, the disease is most likely to flare up if the roots are in dry soil and the leaves are in humid air - conditions that are often found when plant...

The fungal spores that cause rust are spread on the wind, and they can survive over winter on the soil surface, on fallen debris and even objects such as fences and stakes. The symptoms spread in early summer from patches of orange on the stems and leaf stalks of roses to more ob...

Discover how to add midsummer colour and interest by growing a clematis against a teepee. Sarah Raven explains how to encourage budding below soil and reduce the risk of clematis wilt.summerMore advice on growing clematisMonty's advice on growing late-flowering clematisDealing w...

Join Joe Swift as he plants a clematis at the base of a viburnum in the Berryfields garden, and offers planting and mulching tips.May-JuneMore advice on growing climbing plantsPotting on sweet peas, Sarah RavenConstructing a rustic trellisMaking a spiral plant supportSummer pruni...

Monty Don offers video guidance on repotting a star jasmine, with advice on retaining moisture and limiting root disturbance.summerMore planting advicePotting up plantsGrowing hippeastrumPlanting marsh orchids in bordersPotting on sweet peasBrowse a selection of jasmine plantsVie...

Most rambling roses only flower once during the season which means that they can be pruned as soon as they've finished flowering. Cutting out the flowered stems makes space for vigorous new shoots which grow from the base of the plant. These can be tied in ready to flower next se...

that your secateurs are sharp when cutting back the long shoots of climbers as it's easy to crush or tear the stems, which may lead to die-back.Green, leafy summer prunings from wisteria can be added to the compost heap where they'll rot down quickly

Winter pruning wisteria encourages the development of short-flowering spurs that carry the flowers in spring. The long vigorous shoots produced on the wisteria need to be cut back at least twice during the year, so you'll need to repeat this pruning in late-June or early July.Wis...