Powder River Examiner -

Alyssum is Everywhere!


Courtesy PR Extension

Early annual weeds are impacting the range, according to Extension Agent Mary Rumph. Yellow alyssum (Alyssum alyssoides) and desert alyssum (Alyssum desertorum) are non-native, annual, weedy forbs (i.e., herbs) that are becoming more prevalent and problematic, especially in western, central, and southeastern Montana. Though plentiful, the alyssum is fine stemmed, flowers and then dies, and is often not noticed later in the growing season, said Rumph.

Yellow alyssum and desert alyssum are native to northern Africa, Eastern Europe, and western Asia. Brought to North...

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