Crops > Medicinal, herbs & drugs > Basil, downy mildew, Hawaii G Jackson 1 March 2021 Summaries of Messages Crops > Medicinal, herbs & drugs > Basil, downy mildew, Hawaii Crops Pests Non-Pests Unidentified Crops Medicinal, herbs & drugs Basil, downy mildew, Hawaii Basil, downy mildew, Hawaii February 2011. An outbreak of downy mildew on sweet basil reported from Hawaii. http://www.staradvertiser.com/news/hawaiinews/20110203_Basil_bane_putting_bite_on_business.html