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Prune the tops of standard roses to reduce wind rockKeep off lawns in frosty weather or if very wetPrune wisteria, shortening sideshoots to 10-15cm from their baseCheck tree ties are secureOrder dahlias, gladioli and other summer-flowering bulbsTie in the stems

cover before the other plants grow into the gaps. My frogs benefit, as they prefer sheltered ‘corridors’ of dense foliage to move undetected around the garden. Newly planted pots of spring bulbs get the same sprinkling of clover – I like to think its

on these as the only means of support. The shoots will branch out and produce spectacular flowers in midsummer.AdamTry planting other exotic summer-flowering plants, like eucomis, tiger flower and calla lilyMore on summer colourPlant summer-flowering bulbs in pots

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

to have passed. All was relaxed and gorgeous.I've always loved under-planting with drifts of bulbs and was bowled over by a stunning, snow-like drift of narcissus beneath a flower-packed cherry. The effect was breath-taking. Having worked for the RHS

, so I keep the agapanthus pots outside to enjoy for as long as possible before carrying to the winter shelter of my unheated greenhouse.Many of the tender bulbs I grow outside in pots form attractive seed heads, and patient gardeners may be tempted

. The tasty golden bulbs of 'Setton' onions are perfect companions to the 'Red Baron' I planted in the autumn.I'll also be planting more 'Solent Wight' garlic, adding to earlier plantings. This is a relief, as I had been worried that I would end up planting

display is lovely, but there is a problem I need to address. The soil along the drive is thin and inclined to get compacted, and some clumps are rather congested. A few bulbs are producing leaf and no flower, a phenomenon known as  'blindness'. But, if I

horticultural fleece handy to protect the plants with.AdamBefore the first frosts in autumn, repot all of the plants and bring them inside for winter.You can grow the eucomis from bulbs planted in spring.More advice on growing exotic plantsDealing with canna

freely.Tease out the fibrous roots of the carex to encourage it to quickly send out new roots.Part fill the pot with compost. Set the carex in the centre, leaving room for other plants.Split the narcissus bulbs carefully and set them in position around