We may not all be able to grow the sort of delphiniums that are on display at the Chelsea Flower Show, but even in ordinary gardens these statuesque plants still turn heads. John Hoyland shares his expert tips.
Visitors to the RHS Chelsea Flower Show know all the plants there are grown to the highest of standards, but there is one family that consistently outshines all the others: delphiniums.
Impossibly tall and perfectly proportioned, their spires of delicate flowers…