Now's the time to plan your counterattack!
Spring is slowly breaking free of winter. The weather is warming up just enough for Canada thistle to rear its ugly head. This invader, which dates to the early 1900s, is one of the most common noxious weeds here. Our environment provides ideal growing conditions. It can dominate barren rock beds, distressed lawns, healthy pastures, rangelands and even cropland. It’s extensive underground root system, vigorous growth habit and excessive seed production gives it a competitive advantage. A single plant can take over an area three to six feet in diameter in less than two years!
Here are characteristics of Canada thistle:
There is Hope
Even though it has been around a long time, small or large infestation can be controlled by being persistent. Any of the following methods can be successful on their own but when dealing with large infestations, multiple methods should be used.
If you have any questions, we’re here to help. Contact Arapahoe County Weed Control Specialist Russell Johnson: firstname.lastname@example.org