We contacted the manufacturer and they informed us that the active ingredient contained in the Bonide Rot-Stop product is not allowed in organic garden. They could not share the information on the inactive ingredient as that is proprietary information that the manufacturer will not share with anyone…
Read Full Answer »Bonide Rot-Stop Tomato Blossom End Rot is applied to the foliage and fruit of tomato plants.Â
Blossom end rot is caused by a calcium deficiency which can be aggravated by too much nitrogen in the soil. So it's not generally recommended to add any additional nitrogen when treating for end rot. Bonide Rot-Stop Tomato Blossom End Rot is our most popular product for blossom end rot.