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to an attack. Clear away leaf debris lying on the ground around the plants. Take care not to damage leaves and stems unnecessarily.irisesspring, summer, autumnCommon fungal problems affecting plantsRustRhododendron leaf spotTulip firePrimula leaf spot

. primulassummerMore common fungal problemsIris leaf spotBlack spotHollyhock rustRhododendron leaf spot

Follow Rachel de Thame's video advice on planting irises, with tips on drainage, positioning and when to divide them.summerMore advice on growing irisesDividing irisesCreating an iris container displayDealing with iris leaf spotLayering bulbs in a

a mulch of well-rotted compost, and regularly feed and water. Keep deadheading.rhododendrons, azaleasspring, summer, autumn, winterCommon fungal problems affecting plantsRose blackspotIris leaf spotPrimula leaf spotBlack spot

good idea to lift and divide clumps of irises every three years.More on iris care and plantingPlanting irises - video guide with Rachel de ThamePlanting up an iris containerCombatting iris leaf spotLayering bulbs in a potBrowse a selection of irises

pull them out if they appear in the garden. Every two weeks from early spring onwards spray plants with a systemic action fungicide.hollyhocks, mallowall year roundCommon fungal problems affecting plantsIris leaf spotRose blackspotRose rustTulip fire

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

-fruiting winter cherry, a mini skimmia and some beautiful silver-leafed cinneraria. A trip to the garden centre added to the loot with winter flowering pansies, some small variegated ivies and a job lot of spring bulbs.I don’t really like winter cherries, worse