HAMPTON COURT: At Hampton Court Palace, head gardener Graham Dillamore strode across the burnt beige grass in the spectacular formal gardens southwest of London, laid out in the 17th century. “If we have a summer like this next year, by God, it’s going to be a struggle,” said Dillamore, who has spent more than 20 years tending the gardens of the Baroque and Tudor red-brick palace where King Henry VIII once caroused.

At Hampton Court Palace, head gardener Graham Dillamore strode across the burnt beige grass in the spectacular formal gardens southwest of London, laid out in the 17th century.

HAMPTON COURT: At Hampton Court Palace, head gardener Graham Dillamore strode across the burnt beige grass in the spectacular formal gardens southwest of London, laid out in the…