Phostrogen Rose & Flower Organic Insecticide

This spray contains natural fatty acids to control common garden pests such as blackfly, whitefly, mealy bug etc. It is for use on ornamental plants such as roses and flowering plants; not suitable for edible crops. It has quite an unpleasant smell - a bit like fusty cooking oil. I have used it on roses infested with greenfly and despite continued treatments saw very little improvement. I used it on an ivy plant which had a blackfly infestation and saw no visible effect. It states on the container it's best not to use the product on Kolkwitzia, Euphorbias, pilea, Fuschia Dracaena, Saintpaulia, ferns, Gardenia, Nasturtiums, Sweet Peas, bedding plants in bloom, ...  Read the complete review