I never really thought of weeds as being evil, but occasionally a plant finds its way into your garden and refuses to leave. It turns into a stubborn house guest, spreading its roots through every available patch of dirt, and paying no heed to existing plants in their quest for dominance. You’ll spend an entire season pulling and possibly even spraying, but eventually you’ll see them rearing their ugly heads, almost in defiance.
Ridding your garden of these invasive plants is not just a personal peeve; these pests can smother native plants that provide food and habitats for birds and insects. There are approximately 50,000 non-indigenous species in the United States that have created damage and losses totaling about $137 billion per year. This has become a genuine concern in the State of Oregon, so much so that The Oregon Zoo and the Three Rivers Land Conservancy are publicly campaigning to remove certain invasive plants.
The Oregon Zoo has pledged to remove 20 percent of six of the invasive plants on their property, with a goal of removing 90 percent within 10 years. The culprits they are focusing on include English Ivy, Himalayan blackberry,...