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NC State Extension

BOLO November

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)

Large patch (bermudagrass/zoysiagrass/centipedegrass/St. Augustinegrass)

Leaf spot caused by Bipolaris/Drechslera (bluegrasses/bermudagrass)

Microdochium patch (Kentucky bluegrass/bermudagrass)

Red thread (Kentucky bluegrass/fescue/ryegrass)

Rust (Kentucky bluegrass/fescue/St. Augustinegrass/zoysiagrass)

Yellow patch (fescue/Kentucky bluegrass/ryegrass)

Woody Ornamentals

Multiple hosts: Phytophthora root rot, Armillaria root rot (may still produce mushrooms early in the month), Botryosphaeria dieback, sooty mold, conks of wood decay fungi such as Pseudoinonotus dryadeus, improper planting

Multiple shrub species: root-knot nematodes

Arborvitae: Phytophthora root rot, Armillaria root rot

Azalea: Phytophthora root rot, Armillaria root rot, Phomopsis dieback, stunt nematode

Boxwood: Phytophthora root rot, boxwood blight, boxwood stem canker (Colletotrichum theobromicola), nematodes (lesion, root-knot, spiral)

Cherry-laurel: shot-hole

English Ivy: anthracnose, bacterial leaf spot, Phytophthora root rot

Indian hawthorn: Entomosporium leaf spot

Japanese black pine: pine wilt nematode

Japanese holly: black root rot, Armillaria root rot

Junipers: Phytophthora root rot (except Eastern red cedar), Armillaria root rot

Leyland cypress: cypress (Seiridium) canker, Botryosphaeria canker/dieback

Ligustrum (privet): Cercospora (Pseudocercospora) leaf spot

Magnolia, Southern: algal leaf spot

Oaks: Biscogniauxia canker

Red-tip photinia: Entomosporium leaf spot

Rose: Armillaria root rot, crown gall, black spot, rose rosette

Spruce: Rhizosphaera needle cast

Herbaceous Ornamentals (Perennials, Bedding Plants)

Multiple species: frost damage

Liriope: anthracnose on leaf tips, Fusarium crown rot

Pansy/viola: Phytophthora root and crown rot, black root rot, Pythium root rot

Fruits & Nuts:

Pecan: scab

Vegetables & Herbs

Multiple species: frost damage, nutrient deficiency

Cole crops: black rot, white leaf spot of turnip and Swiss chard, downy mildew, Alternaria leaf spot

Arthropods Associated with Multiple Plants

Fall cankerworms (adults)

Bagworms (Thyridopteryx ephemeraeformis; bags often containing eggs)