Sow thistle is an annual weed that can establish at any time of the year. It is also known as puha, and is eaten by some people as a vegetable. Although known as a food favoured by some Māori people ...
Our Mystery Plant ("Spiny sow-thistle”, Sonchus asper ... Sure enough, it is common all over the USA as a weed, and not just in gardens. John Nelson is a retired botanist from the herbarium ...
Canada thistle (Cirsium arvense) is an aggressive, invasive plant. Here's how it spreads and how to identify it so it doesn't ...
Plant Cover Crops To Eliminate Space For Weeds To Take Root When it comes to thistle weeds, bare spaces within your yard are ...
Residual herbicides remain active in the soil for several months, killing weed seeds as they germinate. As the creeping root system of Californian thistle is deeper in the soil than the residual ...