Neudorff Plant Invigorator for Roses Aids the optimal nutrition of roses and ornamental plants resulting in strong growth and beautiful flowers & helps to keep disease away; Leaves no harmful residues in areas of application and may be used on both edible and ornamental plants; Contains fatty acids, algae extract; With useful overhead-sprayer for optimal wetting; Healthy plants are less susceptible to disease; No toxicity to bees and other beneficial insects; Suitable for use in gardens and on allotments. Application: Spray plants and undersides of leaves until dripping wet; Start spraying as soon as the leaves emerge.