How Can I Control Creeping Wood Sorrel (Oxalis) in My Lawn?

Jul 28, 2009
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The lawn, from a distance, looks lush and green.  When walking across it, however, the exploding seed pods of the densely growing oxalis spread seeds across my boots and across my lawn.  In one year the newly planted cool season turfgrass has become an oxalis or creeping wood sorrel lawn. 

Creeping woodsorrel is a major weed in turf, ornamental plantings, gardens, and nurseries. Uninfested landscapes can become contaminated if infested container stock is used in plantings. As seed pods mature and expel seeds, creeping woodsorrel spreads from container to container, flower bed to flower bed, or across ornamental plantings and lawns....

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By Pamela M. Geisel
Author - UC Cooperative Extension Advisor, emeritus