Pest Information

Large Hopclover

Large Hopclover

  • Latin Name: Trifolium Campestre
  • Common Name: Large Hopclover
  • Other Names: N/A

Pest Details

Large Hopclover
Large Hopclover


Native to Europe, and now found widespread in the U.S. and north to Canada and Alaska. Not found in the southwestern states.


A winter annual with prostrate stems that branch freely, potentially forming large mats over the soil. Reproduction is from seeds.


Mature plants remain low to the ground due to the trailing stems. Branches are numerous and along with the large leaves the plants tend to form solid mats on the ground. Leaves are alternate and typically clover-like, with each leaf divided into three round leaflets, the middle leaflet on a stalk. The margins of the leaves are serrated. Flower stalks arise from the leaf axils, terminating in the large cluster of bright yellow flowers that form a loose, round ball of up to 30 individual flowers.

Characteristicts Important to Control:

Very common weed in landscape or along roadsides and waste areas. Tolerant of compacted soils.

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