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foliage. Height/spread 1.2m x 90cm.Corsican hellebore, Helleborus argutifoliusDespite its name, it's not that likely to flower for Christmas - more usually seen flowering from late-winter. Flowers are white, though sometimes flushed pink, and flat
, gritty compost. They take up to three months to germinate at about 15°C and should be left for a few years before transplanting and growing on.PropagationMore plants to grow for late-summer colourChoose flowers for late-summer colourCombine asters, sedums
Learn how to grow dahlias for cut flowers, in Rachel de Thame's video demonstration. Rachel recommends varieties and shares tips on soil preparation, planting, feeding and staking young plants.early summerMore advice on growing dahliasLift and store
Watch Sarah Raven as she plants lupins and shares her tips on soil acidity and drainage.More advice on growing flowersCreating a cutting patch video project.Planting out cerinthes.Caring for peonies.Growing dahlias from seed.
The final flourishDon't say goodbye to summer too soon. Instead, turn up the heat and try my plant choices to keep borders bubbling.Find out the best way to deadhead flowersThanks to today's Mediterranean climate, summer now stretches into early
, with yellowy pink blooms. Height 110cm.Dahlia 'Preference'Large-flowered cactus type, needs staking to support stems. Height 120cm.Dahlia 'Reputation'Giant-flowered semi-cactus dahlia. Grow in rich soil for best results. Height 140cm.Dahlia 'Rev P Holien'Medium-flowered
sun. It reaches 1.5m high.Eryngium giganteumHappy in woodland conditions, the yellow- or orange-flowered Welsh poppies are annuals that don't mind shade, making them perfect to weave under trees and taller shrubs.Meconopsis cambricaA cottage garden