Grotto fungicide/bactericide provides effective, broad-spectrum prevention and control of key diseases on a variety of plants and crops.


Current state registrations

Grotto Fungicide/Bactericide OMRI Certificate
Grotto fungicide/bactericide container photo

Labelled for use on:

Greenhouse and shadehouse ornamentals, vegetables, and herbs, plus ornamentals grown in nurseries and on turf. OMRI listed and approved for organic production.


Diseases controlled:

Anthracnose, bacterial leaf spot and blights, botrytis, downy mildew, fire blight, fungal leaf spot, powdery mildew, rhizoctonia, and more.



1 gallon container, 4 per case



  • EPA Registration Number67702-2-59807
  • Restricted Entry Interval (REI)4 hours
  • Chemical FamilyInorganic
  • MOAM1
  • Active IngredientCopper octanoate
  • Rate per 100 gallons0.5 to 2.0 gal.
  • Rate per gallon3 to 12 tsp (15mL to 60mL)
  • ApplicationFoliar spray