no you dont B)(=
prune them
Prune yarrow by deadheading the flowers as they dry. You can divide the roots and share your yarrow with another gardener.
with roots
If you mean when planting, yes, but if you don't the roots will grow through..
No there is no specific time for planting sugar cane. I will tell you that it is a lot easier to plant in early spring or late fall before frost freezes the ground. The roots and the plant are very resistant to frost and frost damage.
It promotes germination and gives the bean a water source whilst it is becoming established so it roots more quickly.
Planting the roots for the plants and giving them enough for it
House Hunters International - 2006 Planting New Costa Rican Roots - 1.1 was released on: USA: 2006
they weren't properly cut when planted roots will naturally curve around the inside of a pot or root ball, so before planting they need to be cut so they will branch out underground and not choke themselves in a ball
Erosion can be reduced by planting plants that have roots. This helps because the roots in the plants hold the ground in place.
House Hunters International - 2006 Planting New Costa Rican Roots 1-1 was released on: USA: 2006
Vegetable Planting Edited answer: Vegetative propagation as in case of sugarcane and sweet potato etc.