These plants are actually WEEDS! Although they look pretty, they possess unique characteristics for out-competing other plants. These exotic invaders quickly establish thick stands that are threatening native habitats. Infesting over 70 million acres of western wildlands, exotic weeds are having a devastating ecological and economic impact! There is good news - 90% of federal lands are not significantly infested - yet. By becoming familiar with exotic weeds, we can prevent their establishment.
To reduce the cost and time of treatment, preventing the introduction and spread of weeds is time well spent. Tips and techniques homeowners can use are discussed in the following article, Weeds on the Move: Ways to Stop the Spread (Barnyards & Backyards, Summer 2010).