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This buttercup yellow Hypericum features spiky, lemon-coloured stamens and delicate blue leaflets, it has a tidy, mound forming habit and is semi-evergreen. It would sit well in a low maintenance or cottage garden, whilst providing attractive ground cover for those dull areas that need a flash of yellow. ?Citrinum? thrives in full sun and dry areas, it has a height and spread growth of 30cm and adds a touch of the Mediterranean to outdoor spaces.