Thistle

Bull Thistle Control Managing Bull Thistle Plants In Gardens
Glyphosate: Herbicides containing glyphosate can effectively control bull thistle. Glyphosate will also kill grasses that compete with bull thistle, s...
Identifying Scotch Thistle - Tips For Managing Scotch Thistle Plants
Positive identification of a Scotch thistle is easy – the sharp-edge, hairy leaves are a dead giveaway. Rosettes of leaves can reach up to 6 feet (2 m...
Silybum Milk Thistle Info Tips For Planting Milk Thistle In Gardens
Silybum Milk Thistle Info You can grow milk thistle in gardens with most types of soil, even soil that is very poor. As milk thistle is often consider...
Controlling Canada Thistle - Canada Thistle Identification And Control
March to May (rosette to bolting) — Treat rosettes using a herbicide containing clopyralid, aminopyralid or glyphosate. This is the ideal time to kill...
Canada Thistle Organic Weed Control
Remember: Canada thistle is an aggressive and hard-to-control weed because it easily regenerates shoots from its extensive creeping root system. Witho...