Burweed

From here:

  • Lawn burweed (Soliva sessilis) is a winter annual that germinates throughout thin turf in the fall months as temperatures cool. It remains small and inconspicuous during the cold winter months. However, as temperatures warm in the early spring, lawn burweed initiates a period of rapid growth and begins to form spine-tipped burs in the leaf axils. The seed is contained within the hooked bur.
  • Plants can be sprayed with a post-emergence herbicide in December, January, February before burs develop to manage young plants. Plants can be hoed and pulled out now in spring with many of the burs removed as well, but still some seeds will be left behind. Yes, in the fall is the time to apply a pre-emergent product for control. Also, proper mowing and fertilization in this growing season will be beneficial.

Prepare NOW to Avoid Lawn Burweed Infestation Later by Matthew Orwat Oct 10, 2017, UF/IFAS

The best time to apply pre-emergent herbicides to control burweed is in October when nighttime temperatures drop to between 55-60 degrees F for a few consecutive nights.


See ACES paper, page 2 that speaks to use under pecans and not to use the fruit within 12 months. Extract below.

GALLERY 75DF (0.66-1.33 lb.)
isoxaben (0.5-1 lb.)
Apply ONLY to trees that will not bear harvestable fruit within 12 months. May be applied after soil has settled around newly planted trees. Controls several winter annual broadleaf weed species. MOA–Cellulose inhibitor


Fertilome Broadleaf Weed Control with Gallery – Label

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