Hydrangeas Look Fantastic In Your Garden When In Full Bloom & Westland Hydrangea Feed Gives Your Plants The Nutrients They Need To Give You The Biggest & Most Impressive Flower Heads Throughout Summer.specially Formulated To Help Hydrangeas Flower To Their Full Potential Westland Hydrangea Feed Contains All The Nutrients The Roots Need. When Applied & Watered In The Nutrients Are Released Over A Controlled Period So Your Plants Get What They Need Over Time Rather Than All At Once, Leading To Healthier Plant Growth.keep Your Westland Hydrangea Feed Stored In A Cool & Dry Place & It Keeps Well.we Recommend That You Use This Feed Before & Through The Flowering Season (april –august) Only To Avoid New Leafy Growth In Winter When Frost Can Damage The New Leaves.1 Litre