Watch out for Lily Beetle!
They are similar to ladybirds in appearance and can do a lot of damage to lilies in just a few days. Rife at this of year, Lily beetles are easy to control. Hillmount recommend inspecting your lilies regularly and spraying plants with Bayer Provado Ultimate Bug Killer and removing adults, grubs or eggs from your plant as soon as you discover them will keep this pest at bay.
Roses are prone to bugs and diseases!
Roses can suffer from many pests and diseases. Greenfly is common, as are fungal infections such as blackspot and mildew. Hillmount recommend regularly spraying your roses with Roseclear, which is great for combating both pests and diseases.