If you are going to dig out the rhizome system you will need to remove all of the plant material.

This is a hairy, compact plant growing from a small rhizome system.

The perennial plant grows from a massive rhizome system which may extend over six feet into the ground.

It has a thick rhizome system and grows to heights approaching a meter.

Picking the right herbicide is essential, as it must travel through the plant and into the rhizome system below.

It is a perennial herb growing from a long rhizome system.

It is a perennial herb growing from a short, thick rhizome system.

It is a perennial herb growing from a caudex, usually with a rhizome system.

It is a perennial herb growing from a rhizome system with associated tubers.

These rhizome systems are deep and extensive, as well as extremely long-lived.