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Lesser Trefoil [Trifolium dubium]

Description:

Lesser trefoil or yellow suckling clover as it is also known is an common annual weed in UK lawns. It has slender stems but do not root at intervals, each leaf has 3 leaflets on a short stalk. Flowers are yellow initially later turning brown and flowering from May to October. Lesser trefoil, like white clover prefers dry, non-acidic, nitrogen deficient soils.

Control:
If the clumps are small hand weeding is practical otherwise chemical control will be necessary with a selective weed killer containing 2,4-D and mecoprop or a product containing fluroxypyr & clopyralid, one application is usually enough, however repeat 6 weeks later if necessary. For more information on the application of selective herbicides please visit our Lawn Weeds page. Once the weed has been removed or controlled the bare area can be filled with a mixture of suitable soil and grass seed to aid recovery.

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