Heatwaves hit the Sunday roast: why the RHS says cauliflower is off the menu

<p>Charity urges gardeners in England to swap thirsty brassicas for drought-tolerant crops</p><p>They are an integral part of the British Sunday roast – but cauliflowers are now going to be off the menu, according to the Royal Horticultural Society.</p><p>England’s clim