This specially formulated water-retaining gel that has the capacity to hold 400 times its own weight in water. This water is absorbed and released throughout the season, as the plant needs it. After each watering the crystals re-charge absorbing water. This ability to store water reduces water stress in plants and helps retain flowers and fruit in times of hot weather and during rapid plant growth. Ideal for all plants grown in baskets & containers. It can also be used for flowerbeds and vegetable plots.