How to grow: watermelon radish

This rocket variety offers large leaves with the distinctive peppery taste you would expect. They are slower to run to seed than some of their counterparts, and have good heat tolerance. Sow outdoors,

Basil: Position in a bright spot on the windowsill or a heated greenhouse. It’s best to use free-draining compost. Broad beans: This tasty veg can be sown early this month if you choose a hardy variet

Exciting recommendations from our expert plantsman

Over the last few years, sweet potatoes have become more and more popular. Not a true potato, these tubers are nutritional powerhouses – and actually count as one of your five-a-day, unlike the standa

KITCHEN GARDENER

Garden plagued by problems? Here’s how to transform any space