Biennial & Perennial Weeds
LOCOWEEDS: WOOLLY & CRAZYWEED *T* Astragalus spp and Oxytropis spp Life Cycle: Perennial Plant Description:
Tufted plant covered with silvery hairs. Poisonous to all livestock species. Leafless stalks emerge from the center of low-growing basal leaves, holding flowers 4 to 16 inches high. Flowers resemble sweet peas and may be blue, purple, yellow or white.
Treatment: Apply 2.0 to 2.66 pints per acre of GrazonPD3 ™ herbicide or 2.0 pints per acre of Surmount ® herbicide + 0.5 % surfactant per acre. Apply when plants are approaching maximum vegetative
growth but before flowers open. Herbicide application may increase palatability of certain poisonous plants. Do not allow livestock to graze treated areas until poisonous plants are dry and no longer palatable to livestock.
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