PastureGard, Crossbow), or metsulfuron (eg. Depending on other weeds present products that contain dicamba+2,4-D (eg. Mowing fields or clipping plants close to the ground in the early spring before buttercup plants can produce flowers may help reduce the amount of new seed produced, but mowing alone will not totally eliminate seed production.įor chemical control, herbicides registered for use on grass pastures that contain 2,4-D will effectively control buttercup. Whereas, livestock animals allowed to overgraze fields during the fall and winter months is one of the main factors that contribute to buttercup problems. Therefore, pasture management practices that improve and promote growth of desirable plants during these months is one of the best methods to help compete against the emergence and growth of this plant. Most buttercup plants emerge from seed during the fall or late winter months. This is one reason buttercups can survive year to year and new plants emerge each year.
Waiting until after flowers appear can be too late to implement control tactics. New seed are produced during the time petals are showy. Although each of these plants may have somewhat similar flower heads, each of these buttercup species differs somewhat in their vegetative leaf characteristics. There are four different species of buttercups that may be found in Kentucky: bulbous buttercup (Ranunculus bulbosus), creeping buttercup (Ranunculus repens), tall buttercup (Ranunculus acris), and small flower buttercup (Ranunculus arbortivus). Plants typically produce five, shiny yellow petals in the early spring. In fact, many fields that have dense buttercup populations are fields heavily grazed by animals during the fall through the early spring months.īuttercups are sometimes classified as short-lived perennials, but often grow as winter annuals. As a cool season weed, this plant often flourishes in over grazed pasture fields with poor stands of desirable forages. Green, Extension Weed Scientist - One of the signs that spring has arrived is when the yellow flowers of buttercup begin to appear, but it’s during the winter months that the vegetative growth of buttercup takes place.
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