Quite unlike ordinary catmint handle or squeeze the leaves and they give off a rich lemony fragrancy which pervades the garden with rich flowery perfume on still warm summer evenings it39s easy to grow and can be treated as either annual or perennial making a good border or summer hedge plant fashion conscious cats are taking it up in droves as the 39in39 catmint to brush45up against 39william39 whose enthusiasm for catmint has not diminished since his last starring role