Not always considered a weed, this plant has purple-pink flowers and is commonly found in grasslands and lawns. Knapweed ( ...

After all, just because the frost killed all purple flower invasive weeds doesn't mean it got to their seeds or root fragments, too. Given that, it's pertinent to learn to spot the purple bloomers ...

Sweet Joe-Pye weed is anything but pesky, despite its name. Discover the many benefits this gorgeous perennial can bring if ...

and other crops are often covered with small purple flowers called Striga. These eye-catching flowers are known as ‘witch weeds,’ as they survive and spread by parasitizing the roots of other ...

The flower heads are a fairly distinctive colour as well, being about 2-4 cm in diameter, dark purple in the middle with pale yellow ray florets on the outsides, and a deeper yellow at the base of the ...

Photos courtesy MISC In 2003, Lori Buchanan, manager of the Molokai/Maui Invasive Species Committee, investigated a glossy-leaved plant with pinkish-purple flowers. She had seen it growing as a ...

The leaf shape and flowers of this weed are both quite distinctive. Stems tend to be quite weak ... Flowers are conspicuous clusters of about a dozen pink florets, with a distinctive purple colour at ...

This aggressive weed is difficult to control; for example ... Flower heads are terminal, solitary, 1 1/2 to 3 inches in diameter, and usually bent over. Flowers are deep rose, violet or purple, ...