Wilko rose food 15kg is a plant food suitable for all types of roses which contains all the essential nutrients required for strong growth healthy leaves and abundant summer blooms its easy to apply either directly to the soil to feed established roses or added to the soil when plantingcontains nitrogen for fast acting strong green leaf growth iron and magnesium to help against premature leaf drop and potassium for bigger brighter bloomscompound fertiliser npk 5 5 10 with ironwarnin