The vivid blooms of hollyhock 39chater39s double mixed39 provide dramatic splashes of colour from june to september the hardy perennial39s saucer45shaped flowers are suitable for cottage gardens and wildlife gardens alike for they are a firm favourite with bees and butterflies althaea rosea is particularly suited to borders for its spires emerge above other plants39 foliage to provide structure height 2m 4063973441 spread 60cm 4023903441