WSU Extension


Annual bluegrass 
Bentgrass, creeping 
Birdfoot Trefoil 
Bittercress (Shotweed, Hairy bittercress) 
Bittersweet nightshade (European bittersweet) 
Black medic 
Blackberry (Himalayan, Evergreen, Pacific) 
Blue mustard (Purple mustard, Tenella mustard) 
Brackenfern, western 
Bull thistle 
Buttercup, creeping 
Butterfly bush 
Canada thistle 
Catchweed bedstraw (Cleavers) 
Catsear, common (False dandelion) 
Chickweed, common and mouseear 
Creeping Jenny 
Dock (Curly, Broadleaf) 
Downy brome (Cheatgrass, Downy chess) 
Dwarf mistletoes 
English daisy (Lawn daisy) 
English ivy 
Field bindweed (Wild morningglory) 
Field pennycress (Fanweed) 
Foxtail (Green, Yellow, Bristly) 
Garden loosestrife 
Giant hogweed 
Ground ivy 
Groundsel, common 
Hedge bindweed 
Herb Robert (Robert geranium, stinky Bob) 
Horsetails (Scouringrush) 
Horseweed (Marestail) 
Knotweeds (Bohemian, Giant, Japanese, Himalayan) 
Lambsquarters, common 
Lesser celandine 
Mallow, common (Cheeseweed, Buttonweed) 
Oxalis (Creeping woodsorrel) 
Parrotfeather and Eurasian watermilfoil 
Plantain (Broadleaf, Buckhorn) 
Poison hemlock 
Poison ivy and Poison oak 
Prickly lettuce (China lettuce) 
Prostrate knotweed 
Puncturevine (Tackweed, Goathead) 
Purple deadnettle (Red deadnettle) 
Purple loosestrife (Purple lythrum) 
Purslane, common 
Red sorrel (Sheep sorrel) 
Redroot pigweed (Rough pigweed) 
Redstem filaree (Stork's bill, Crane's bill) 
Reed canarygrass 
Russian thistle (Tumbleweed) 
Ryegrass, annual (Italian ryegrass) 
Salsify (Goatsbeard) 
Scotch broom 
Sowthistle, annual and perennial 
Spurges (Prostrate spurges) 
St. Johnswort, common (Goatweed, Klamathweed) 
Stinging nettle 
Tansy ragwort 
Tumblemustard (Jim Hill mustard) 
Velvetgrass (Common velvetgrass) 
Water primrose 
Waterhemlock, western 
Wild carrot (Queen Anne's lace) 
Yellow nutsedge 

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Caption: Common mallow flower and fruit
Photo by: R. Parker
Weeds : Mallow, common (Cheeseweed, Buttonweed) : Malva neglecta
(revision date: 4/7/2021)

Family: Malvaceae
Cycle: Various
Plant Type: Broadleaf

Use Integrated Pest Management (IPM) for successful weed management.

Common mallow can be an annual, winter annual, or biennial plant. The plants are spreading from a deep root, with branches reaching from a few inches to almost two feet long. Leaves are alternate on the stems and have long, slender petioles. The leaves are nearly circular in outline, with a deeply-notched base and five to seven rounded lobes. They are palmately veined, with the veins originating at the petiole and radiating outward. The flowers are borne either singly or in clusters in the leaf axils. Each blossom has five white or pinkish petals with notched tips. The petals are about twice the length of the sepals (the green, leaflike structures which enclose the bud). Seeds are borne in smooth, round, flattened, button-like fruits which break into single-seeded segments at maturity. A related species, little mallow (Malva parviflora), is similar, but the flower petals are shorter and the fruit is wrinkled instead of smooth.
Common mallow is a weed of waste places, gardens, and cultivated areas. It is occasionally a problem in new lawns.

Management Options

Non-Chemical Management
  • Cultivation (rototilling or hoeing) will effectively eliminate plants.
  • Careful digging is useful to manage weed populations. However, digging can carry undesirable weed seed to the surface and foster further germination.
Select non-chemical management options as your first choice!

Chemical Management

Apply according to label directions. Glyphosate products should be applied as spot treatments only! NOTE: Some ingredients listed here are only available in combination. Read the label carefully on combination products to make sure the product is suitable for your specific situation.

Landscape areas
  • glyphosate
  • products containing triclopyr
Turf areas
  • triclopyr
  • 2,4-D + MCPP + dicamba
Bare ground areas
  • glyphosate
  • triclopyr

+ Show larger images

Caption: Common mallow flower and fruit
Photo by: R. Parker
Caption: Common mallow leaf
Photo by: D.G. Swan
Caption: Common mallow flower
Photo by: R. Parker
Caption: Line drawing of common mallow
Photo by: Ciba Geigy
Caption: Mallow flower
Photo by: T.W. Miller
Caption: Mallow fruit exposed
Photo by: T.W. Miller
Caption: Mallow fruit in calyx
Photo by: T.W. Miller
Caption: Mallow leaves
Photo by: T.W. Miller