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Common Lawn Weeds


Oxalis

  • Also called "Yellow Woodsorrel".
  • Upright, herbacaeous perennial with hairy stems.
  • Leaves, alternate, divided into three partly-folded, deeply cut, heart-shaped leaflets.
  • Foliage with sour, acrid taste.
  • Flowers, bright yellow, with five petals on stalks bents below the fruit and attatched to a common point.
  • Fruit is a narrow-angled "okra-like" capsule. 
  • Creeping Woodsorrel  has a more prostrate growth habit than yellow woodsorrel; stolons readily root at the nodes.
  • All specie reproduce by seed.
Control Methods
  • Hand Removal or Hoeing
  • Herbicides:
    • Preemergence - atrazine*. (Apply in the fall) 
       
    * Excellent tolerance on centipede and St. Augustine grass; use only on these grasses.
     
     
    • Postemergence - dicamba** with a combination of other products.
        •  
             - MSMA***


    **  See label for appropriate turfgrass.
           Do not use within the root zone of desirable plants, especially dicamba.

    ***  MSMA  kills centipede and St. Augustine grass; use only on bermuda and zoysia.
     

      Always Read the Label 


Has "okra-like" fruit.


Creeping Woodsorrel

 

 

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