Pruning Sealer from ferti-lome is designed to provide a protective seal around pruned, grafted or damaged trees, woody shrubs, roses, shade trees, citrus and fruit trees. With Pruning Sealer, healing is accelerated while sap flow is slowed and moisture is kept away. Sealer can also be used to waterproof wooden tubs and planting pots. Dries quickly. 15 oz. aerosol container. Always read and follow label directions.