Good watering, feeding, pruning and air circulation help to keep roses healthy and disease free.
There are two basic methods of spraying roses throughout the growing season.
1) Preventative spraying- spray regulary (every two weeks or so) to prevent disease from taking hold.
We stock a very good product Combat-
Combat 3 in 1 for Roses is a unique worlds first Insecticide, Fungicide & Fertiliser all in one.
2) Targetted Spraying - Spray your roses when they are attacked by a particular pest or disease. This way you can spray the most effective spray for the disease your rose has.
Aphids- spray confidor
Mites- spray with Mavrik or mite killer.
Black Spot- Neem oil, copper spray.
Powdery mildew- fungus fighter, yates Zaleton.
Rust- Copper Oxichloride.
The old addage, prevention is better than cure applies here though, so be prepared to spray 2 or 3 times to erradicate stubborn diseases.