We suggest spraying your roses with this mixture April-October
Mix well and spray before temeratures reach 86°
Mix fresh batch each time you spray and spray every 7-10 days.
Spray for insects only when necessary.
Mix well and spray on bushes and the mulch surrounding the roses.
Wait 2 weeks and apply for a second time if blackspot, downey, or spider mites were an issue during the previous growing season.