Discover the truth about the vibrant purple flower that is an invasive weed in some areas. Explore native alternatives that ...

Major breakthrough in herbicides to control crop-devastating & parasitic 'witchweed' that has wreaked havoc upon sub-Saharan ...

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 ...

They are only weeds because we, humans, deem them so. A weed is any plant growing in an undesirable place, so what does that ...

The so-called Secret Garden was actually the site of degraded native wetlands infested with exotic weeds such as morning glory, a vine with purple flowers. Whether they knew this or not ...