Explore helpful resources for common lawn care topics — everything from grass types to weeds to diseases to pests.
Lawn Diseases
Turf Grasses
Lawn Pests
Grassy Weeds
Grass Basics
Broadleaf Weeds
Common Lawn Diseases
Pink Snow Mold
Pink Snow Mold - Microdochium nivale
Pink Snow Mold
Pink Snow Mold stealthily develops underneath the cover of snow in colder climates. Also known as Fusarium Patch, this lawn disease attacks most types of cool-season grass in the northern part of the United States.
Brown Patch is a hot-weather lawn disease that is sometimes referred to as Large Patch or Rhizoctonia Blight. Brown Patch affects most types of grass across the country, with signs of damage appearing during late summer in the northern states and fall through mid-winter in the southern states.
Dollar Spot is a common lawn disease that marks your lawn with its namesake: silver dollar-sized patches. Dollar Spot typically affects all warm- and cool-season grasses across the country. Infections are most common during the summer months across northern states and during the spring and fall in southern states.
Bermudagrass is a perennial grass that is also known as Couchgrass, Wiregrass, Devil’s-grass or by its scientific name, Cynodon dactylon. It often is viewed as a lawn weed when it displaces desirable types of grass and becomes difficult to eradicate.
Despite its name, Kentucky Bluegrass is a cool-season turf grass that is originally native to Europe. The popularity of this type of grass for homeowners rests in the fact that is it perennial and sod-forming, making it ideal for home lawns. Kentucky Bluegrass also has excellent recuperative and reproductive capabilities, plus a greater tolerance to colder temperatures than some other cool-season turf grasses. That's why you'll find Kentucky Bluegrass in lawns throughout most of North America, though less commonly in warmer climates along the Gulf Coast.
The Hairy Chinch Bug is a unique lawn-damaging insect that changes colors throughout each nymph stage. Also known as Blissus leucopterus hirtus, this lawn pest is typically found in the northeastern part of the United States, attacking Kentucky Bluegrass, Perennial Ryegrass, Creeping Red Fescue and Creeping Bentgrass.
The Fall Armyworm is a lawn-damaging insect that can be found attacking Bermudagrass, Creeping Bentgrass, Ryegrasses and all Fescues. This lawn pest, also known as Spodoptera frugiperda, inhabits much of the United States east of the Rocky Mountains.
The Bluegrass Billbug is a lawn pest that attacks Kentucky Bluegrass, Perennial Ryegrass, Fine Fescue and Tall Fescue. Its scientific name is Sphenophorus parvulus, and it can be found throughout most of the continental United States.
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.
Smooth Crabgrass is a summer annual grass that is also known as Small Crabgrass or by its scientific name, Digitaria ischaemum. Due to its horizontal growth habit, look and inability to be controlled, it\'s often considered a problematic lawn weed in yards where it wasn\'t planted.
Dandelion is an extremely common taprooted perennial broadleaf weed. It is also known as Lentodon taraxacum, Lions-tooth, Blow-ball, Cankerwort and Taraxacum officinale.
Oxalis is a perennial broadleaf weed that is also known as Common Yellow Oxalis, Yellow Woodsorrel, Sourgrass, Sheepsorrel and Toadsorrel. Its scientific name is Oxalis stricta.
Common Chickweed is a winter annual broadleaf weed that is also commonly called Alsine media, Starwort, Starweed, Bindweed, Winterweed, Satin Flower and Tongue-grass. Its scientific name is Stellaria media.
Birdsfoot Trefoil is a perennial broadleaf weed that is known by many names, including Bloom-fell, Cat's Clover, Crow-toes, Ground Honeysuckle, Sheep-foot, Devil’s-claw and Lotus cornicalatus.
Matchweed is a perennial broadleaf weed that is also known as Phyla nodiflora, Mat Lippia, Match-head, Capeweed and Turkey-tangle. Its scientific name is Lippia nodiflora.
Narrowleaf Cudweed can grow as either an annual broadleaf weed or a biennial broadleaf weed. This versatile plant is also referred to as Narrowleaf Purple Everlasting and Gnaphalium falcatum.
Yellow Hawkweed is a perennial broadleaf weed that is also known as Hieracium caespitosum, Yellow King-devil, Field Hawkweed and Meadow Hawkweed. Its scientific name is Hieracium pratense.
Alligatorweed is an invasive species of perennial broadleaf weed native to South America. Its ability to thrive in damp soil and grow on water makes it tough to control.
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