WSU Extension

Hortsense

Weeds
 
Annual bluegrass 
Barnyardgrass 
Bentgrass, creeping 
Bermudagrass 
Bittercress (Shotweed, Hairy bittercress) 
Bittersweet nightshade (European bittersweet) 
Black medic 
Blackberry (Himalayan, Evergreen, Pacific) 
Blue mustard (Purple mustard, Tenella mustard) 
Brackenfern, western 
Buffalobur 
Bull thistle 
Buttercup, creeping 
Canada thistle 
Catchweed bedstraw (Cleavers) 
Catsear, common (False dandelion) 
Chickweed, common and mouseear 
Clover 
Comfrey 
Crabgrass 
Dandelion 
Dock (Curly, Broadleaf) 
Dodder 
Downy brome (Cheatgrass, Downy chess) 
Dwarf mistletoes 
English daisy (Lawn daisy) 
English ivy 
Field bindweed (Wild morningglory) 
Field pennycress (Fanweed) 
Flixweed 
Foxtail (Green, Yellow, Bristly) 
Garden loosestrife 
Giant hogweed 
Goldenrods 
Groundsel, common 
Hawkweeds 
Hedge bindweed 
Henbit 
Herb Robert (Robert geranium, stinky Bob) 
Horsetails (Scouringrush) 
Horseweed (Marestail) 
Knapweeds 
Knotweeds (Bohemian, Giant, Japanese, Himalayan) 
Kochia 
Lambsquarters, common 
Liverworts 
Mallow, common (Cheeseweed, Buttonweed) 
Nightshades 
Oxalis (Creeping woodsorrel) 
Parrotfeather and Eurasian watermilfoil 
Pineappleweed 
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 
Quackgrass 
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 
Shepherd's-purse 
Smartweeds 
Sowthistle, annual and perennial 
Speedwells 
Spurges (Prostrate spurges) 
St. Johnswort, common (Goatweed, Klamathweed) 
Stinging nettle 
Tansy ragwort 
Tumblemustard (Jim Hill mustard) 
Velvetgrass (Common velvetgrass) 
Velvetleaf 
Water primrose 
Waterhemlock, western 
Yellow nutsedge 



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Caption: Catchweed bedstraw leaf whorls
Photo by: T. W. Miller
  
Weeds : Catchweed bedstraw (Cleavers) : Galium aparine
(revision date: 4/5/2016)

Family: Rubiaceae
Cycle: Annual
Plant Type: Broadleaf

Biology
Catchweed bedstraw is a weakly erect to sprawling plant from a slender taproot. Stems are weak, climbing or twining to over six feet in length. The stems are square in cross-section with short, downward-pointing bristles along the ridges. Narrow leaves occur in whorls of six to eight, with backward-pointing bristles along the leaf margins. Small, four-petalled, white flowers are produced on short stems in the leaf axils. Fruits consist of two nearly round structures joined along the center. The seeds are covered with hooked hairs which aid in dispersal. This plant spreads only by seeds, but a related species (northern bedstraw, Galium boreale) is a perennial with a spreading root system. SPECIAL INFORMATION: The clinging seeds and stems of catchweed bedstraw can be a nuisance on animals or in clothing.
Habitat
Catchweed bedstraw is often found in uncultivated areas such as along fencerows, under trees, or in brushy areas. From there, the plant can spread into gardens, fields, ornamental plantings, and other cultivated sites.

Management Options

Non-Chemical Management
  • Cultivation (rototilling or hoeing) will effectively eliminate plants.
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! Not a problem in healthy established turf. 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
Turf areas
    Bare ground areas
    • glyphosate
    Images

    + Show larger images

     
    Caption: Catchweed bedstraw leaf whorls
    Photo by: T. W. Miller
    Caption: Catchweed bedstraw
    Photo by: T. W. Miller
    Caption: Catchweed bedstraw
    Photo by: T.W. Miller
    Caption: Leaves and stems
    Photo by: J.A. Kropf
    Caption: Leaves and stems
    Photo by: Washington Noxious Weed Control Board
    Caption: Catchweed bedstraw fruits
    Photo by: D.G. Swan
    Caption: Pulled plant showing roots
    Photo by: J.A. Kropf