Summer is supposed to be the season of sun and heat - and so far this year it has more than fulfilled expectations.
But even when there's a dull, cool spell, there's a plant that can always stir up a warm glow in the garden, as Corinne Julius discovered when she joined Maggie Campbell-Culver, the author of the Origins of Plants. 'The Origin of Plants' by Maggie Campbell Culver, published by Headline £25.00
