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| A BEAUTIFUL MORNING |
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| SPOTTED KNAPWEED FLOWERS... |
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| THISTLE-LIKE PLANTS |
Friday, 8:00 AM. 67 degrees f, wind NW, very light. The sky is virtually cloudless, the humidity is 83% and there is some haze on the eastern horizon. It is a beautiful morning, but it may get seasonally warm today.
Spotted knapweed, Centaurea stoebe, in the Composit family, is a common thistle-like weed that is very aggressive, particularly on poor soils. It often forms large patches, and once established can be tough to eradicate because it produces soil toxins which prevent other species from competing with it. Its flowers are actually quite attractive, but it can be a tough competitor with more desirable native vegetation, and it is on the Wisconsin restricted list of invasive plants. Some fpeople are allergic to it, so wear gloves when handling it. The best way to keep it out of an existing lawn is to properly water and fertilize lawn grasses, and not mow too short (not less than 2.75") It should be rouged out of the garden on sight. Maybe it should be called the politician weed.
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