Check Here Before Buying – Pot Size Matters...Not all websites offer the same. Plants in a 2-litre pot have twice the root system of a P9 or 1 litre pot.
Westland Resolva Rose 3 in 1 is a combined insecticide plus systemic fungicide for use outdoors on roses. It will control aphids as well as offering some protection against rust and blackspot.
Always read the label before use.
Product Data Sheet (Opens in new window).