Anna Pavord: Grow rosemary and sage and you've got yourself aromatherapy for free - plus the...

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I'm puzzled by rosemary. Not because it's difficult to grow. All it needs is sun and half-decent drainage (grit helps). The puzzle arises from the colour of the flowers. The ones I like best are a deep, intense blue. Over the years, I've taken masses of cuttings from Italian plants that have those kind of flowers.










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