It can grow 500 times more in four months if not trimmed. Duckweed grows perfectly in tropical climates and is very common in the Southeast Asian countries of Vietnam and Thailand. An evergreen ...

But the Northern Ireland Environment Agency (NIEA) has now carried out water quality inspections and confirmed the green material is "common duckweed". "Duckweed is a small, stemless, free ...

Superfood: Companies are harvesting and marketing the plant that grows like, well, a weed. They’re finding a variety of uses, ...