Annual Weeds
WESTERN BITTERWEED *T or Bitter Rubberweed Hymenoxys odorata or H. richardsonni Life Cycle: Annual Plant Description:
A poisonous bushy annual weed that forms a dome shaped clump. Daisy like yellow flowers have yellow centers. Grows up to 1 foot in height. Leaves are aromatic when crushed. Thrives in standing or temporary water after a wet winter. A weed of overgrazed plains.
Treatment: Apply 1.5 to 2.1 pints of GrazonNext ® HL herbicide per acre, or 20 to 32 fluid ounces of GrazonPD3 ™ herbicide per acre. Spray prior to bloom in spring when weeds are 4 to 6 inches and there is adequate moisture.
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