Month-by-month lists of common plant diseases, pests, and other problems you may encounter in North Carolina yards and gardens.
Back to BOLO list of months.Turfgrasses
Fairy ring (all turfgrasses)
Microdochium patch (Kentucky bluegrass/bermudagrass)
Yellow patch (fescue/Kentucky bluegrass/ryegrass)Woody Ornamentals
Multiple hosts: winter injury of evergreens, cold injury (bark splitting), secondary leaf spots, Phytophthora root rot, Armillaria root rot, wood decay fungi, sooty mold, improper planting, mistletoe, sapsucker injury
Multiple shrub species: root-knot nematodes
Azalea: Phytophthora root rot, Armillaria root rot, Phomopsis dieback
Black cherry: black knot
Black gum: felt fungus (Septobasidium)
Boxwood: Boxwood blight
Cherry-laurel: shot-hole
English Ivy: anthracnose, bacterial leaf spot
Hollies: felt fungus (Septobasidium)
Indian hawthorn: Entomosporium leaf spot
Japanese holly: Black root rot, Armillaria root rot, normal purple discoloration in cold weather
Junipers: Phytophthora root rot (except Eastern red cedar), Armillaria root rot
Leyland cypress: Phytophthora root rot, Armillaria root rot, Cypress (Seiridium) canker, Botryosphaeria canker/dieback, Passalora needle blight
Ligustrum (privet): Cercospora (Pseudocercospora) leaf spot
Magnolia, Southern: algal leaf spot
Oak: felt fungus (Septobasidium), mistletoe
Rose: rose rosetteHerbaceous Ornamentals (Perennials, Bedding Plants)
Liriope: anthracnose on leaf tips, Fusarium crown rot
Pansy/viola: frost/freeze injury, black root rot, Pythium root rot, Cercospora leaf spot
Snapdragon: Sclerotinia stem rot (white mold)Fruits & Nuts
Blackberry: cane blightPlum: black knot
Vegetables & Herbs
Cole crops: Black rot, Sclerotinia white mold
Arthropods Associated With Multiple Plants
Fall cankerworms (adults)
Bagworms (Thyridopteryx ephemeraeformis; bags often containing eggs)