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Lawn Diseases
Turf Grasses
Lawn Pests
Grass Basics
Grassy Weeds
Broadleaf Weeds
Common Lawn Diseases
Powdery Mildew
Powdery Mildew - Erysiphe graminis
Powdery Mildew
For shaded lawns and landscaping, Powdery Mildew is a common lawn disease that primarily affects lawns in the northern United States from April through October.
Stripe Smut is a lawn disease that occurs during cooler weather and is more common in the northern parts of the country during the spring and fall. Caused by the lawn fungus Ustilago striiformis, this lawn disease may also show up in southern states during parts of the summer or anywhere during long periods of cool weather in the spring or fall.
Slime Mold is caused by thelawn fungus Mucilago spp. This nonparasitic lawn disease affects all types of warm- and cool-season grasses across the mainland of the United States, with damage typically occ+C14+C15
Red Thread affects all types of grass in the northern United States and is caused by the lawn fungus Laetisaria fuciformis. This lawn disease inflicts its most damage during mid- to late spring and late summer to early fall.
The Spotted Lanternfly (SLF) is a planthopper insect known for causing significant damage to trees, vines, crops, and other types of plants. SLF is also a nuisance pest due to their size and tendency to congregate in large groups, which can be alarming to the general public. Also known as Lycorma delicatula, this invasive species is native to China, India, and Vietnam and was first detected in the United States in Berks County, Pennsylvania in 2014.
The Brood X Cicada, often referred to as the 17-year locust or periodical cicada, is an insect that emerges in large numbers after completing a 17-year life cycle underground. Cicadas are part of the hemiptera order of insects also known as ‘true bugs’. Most damage done by these insects is by slitting and flagging of twigs in order to deposit eggs. This generally has little effect on the overall health of mature trees. Brood X contains three separate species known as Magicicada septendecim, Magicicada cassinii and Magicicada septendecula. The next emerging population is expected in summer of 2021, affecting primarily eastern and upper Midwestern states.
White Grubs are an extremely common type of lawn-destroying insect that includes a number of different species. Also known as Scleranthus annuus, White Grubs can be found in all different types of grasses all across North America. Eventually, these lawn pests become beetles.
The Greenbug Aphid is a lawn-damaging insect that primarily attacks Kentucky Bluegrass, but can sometimes be found on Annual Bluegrass, Canada Bluegrass, Chewings Fescue and Tall Fescue. Also known as Schizaphis graminum, this lawn pest can infest most parts of North America and is often more of a problem in healthy lawns.
The Southern Chinch Bug is a unique lawn-damaging insect that changes colors, sizes and marking throughout each nymph stage. Also known as Blissus insularis, this lawn pest is typically found in the southeastern part of the United States attacking St. Augustinegrass, but is also occasionally found in Zoysiagrass, Bahiagrass, Bermudagrass and Centipedegrass.
The Green June Beetle is a fairly large lawn-damaging insect that attacks many different types of grass from New York to Texas and parts of California. Also known as Cotinis nitida, most of the damage caused by this grub occurs during September and early October.
The Sting Nematode is a microscopic roundworm that primarily affects Bermudagrass and Bentgrasses in the southeastern and midwestern United States. Also known as Belonolaimus spp., this lawn pest prefers moist, sandy soils.
The Japanese Beetle is a very common lawn pest that can be found in many different types of grasses all throughout the eastern part of the United States and as far west as Nebraska. Also known as Popillia japonica, the grub stage of this lawn-damaging insect draws predators who can also damage lawns.
The Tropical Sod Webworm is a lawn pest that undergoes a metamorphosis, transforming from a caterpillar-like worm into a moth-like insect. Also known as Herpetogramma phaeopteralis, this lawn-damaging insect can be found in much of the southeastern United States, typically infesting St. Augustinegrass, Bermudagrass and Centipedegrass.
Annual Bluegrass is an annual grassy weed that is also known as Annual Meadowgrass, Annual Spear-grass, Wintergrass, "Poa" or its scientific name, Poa annua.
What is Doveweed (Murdannia Nudiflora) - Murdannia nudiflora
What is Doveweed (Murdannia Nudiflora)
Doveweed is a summer annual grassy weed that is also known as Naked Stem Dewflower, or by its scientific name, Murdannia nudiflora. This lawn weed is a common invader of home yards.
Egyptian Crabgrass is a summer annual grassy weed that is also known as Crowfootgrass, Durban Crowfootgrass or by its scientific name, Dactyloctenium aegyptium. This lawn weed is named for its crow's foot-like seed head.
Rescuegrass is a particularly short-lived perennial grassy weed as far as perennials go. This lawn weed is also known as Rescue Brome or its scientific name, Bromus catharticus. It gets its name from its ability to "rescue" animals from winter food shortages.
Wild Barley is an annual grassy weed that is also known as Hare Barley or by its scientific name, Hordeum leporinum. This lawn weed frequently invades newly seeded yards.
What is Doveweed (Murdannia Nudiflora) - Murdannia nudiflora
What is Doveweed (Murdannia Nudiflora)
Doveweed is a summer annual grassy weed that is also known as Naked Stem Dewflower, or by its scientific name, Murdannia nudiflora. This lawn weed is a common invader of home yards.
Rough Bluegrass is a perennial grassy weed that is also known as Roughstalk Bluegrass or by its scientific name, Poa trivialis. This lawn weed is known for remaining green throughout the winter.
Wild Garlic is an aggressive perennial grassy weed that is also known as Field Garlic or by its scientific name, Allium vineale. Aromatically enough, the smell of this lawn weed can be confused with Wild Onion.
Downy Brome is a winter annual grassy weed that is also known as Downy Chess, Cheatgrass or by its scientific name, Bromus tectorum. This lawn weed poses a high risk of invasion to newly seeded yards.
Tropical Chickweed is a warm-season annual broadleaf weed that is also known as Heartleaf Drymary and West Indian Chickweed. Its scientific name is Drymaria cordata.
Virginia Peppergrass can grow either as a winter or summer annual broadleaf weed. This versatile plant is also commonly known as Virginia Pepperweed, Virginia Peppercress, Poor-man’s Pepper and Pepper-grass. Its scientific name is Lepidium virginicum.
Venus’ Looking Glass is a winter or summer annual broadleaf weed that can occasionally grow as a perennial broadleaf weed. This highly versatile plant is also commonly known as Round-leaved Triodanis or Clasping Bellwort. Its scientific name is Triodanis perfoliata.
False Dandelion is a perennial broadleaf weed that is commonly referred to as Common Cat's-ear, Cat's-ear Dandelion and Hairy Cat's-ear. Its scientific name is Hypochoeris radicata.
Lambsquarters is a warm-season annual broadleaf weed that is also commonly called Pigweed, White Goosefoot, Fat-hen, Mealweed, Frost-blite and Bacon-weed. Its scientific name is Chenopodium album.
Virginia Buttonweed is a horizontally growing, creeping perennial broadleaf weed that is sometimes referred to as Diodia hirsuta, Diodia tetragona or simply as Buttonweed. Its scientific name is Diodia virginiana.
Common Ragweed is a summer annual broadleaf weed that is also referred to as Wild Tansy, Hog-weed, Bitterweed, Mayweed, Hay-fever Weed, Blackweed, Roman Wormweed and Annual Ragweed. The pollen from this broadleaf weed is a primary cause of hay fever.
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