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Balling is triggered by cool, damp conditions, often in a partially shady site, where water-saturated outer petals fail to dry out before being scorched by the sun. The mushy plant tissue dries to form a stiff straightjacket around the petals, preventing the flower from opening. ...
Shrubs are useful building blocks when you're planning a garden, providing structure and substance. Winter is an ideal time to assess your garden and see if there's an empty space that's just right for a new shrub.Shrub
and the soil around it with a fungicide suitable for the control of rust fungus.roses, fruit trees, ornamental trees, shrubs, perennials, vegetables spring, summer, autumnOther problems affecting garden plantsHollyhock rustRose rustBlack spotIris leaf spot
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...
, just as the new foliage emerges, as a preventative measure.shrubs, roses spring, summerCommon problems affecting trees and shrubsAcer tar spotLeaf miner flyReversionPowdery mildew
Viburnum beetle was named as the number one pest by the RHS in 2010, stealing the crown from slugs and snails. It's native to the UK, but is becoming more widespread. Most of the leaf damage is caused by the stripey, beige-coloured larvae, though
Learn how to recognise and remove dead wood from garden trees, in Chris Beardshaw's video demonstration.summerMore advice on growing treesPlanting a bare-root treePlanting a fig treeTraining a nectarine tree against a fencePlanting a small tree
containing imidacloprid or thiacloprid.euonymusmid-July, early September, winterMore common garden pestsWhiteflyLeaf miner flyMealybugsAphids
Follow Chris Beardshaw's video guide to transplanting shrubs. Chris explains the benefits of forward planning when transplanting a shrub, giving it the best chance of surviving the move.autumnMore advice on growing shrubsHow to plant a shrub
There are many different fungi that cause this problem, each of which usually affects a particular plant or group of plants. In each case they produce similar symptoms. Affected plants will have discoloured leaves, often also distorted when young, while general growth and vigour ...