Should Catmint Be Divided?
To Keep Catmint Vigorous, Divide It Every Three to Four Year's in Either Spring or Early Fall. Keep It Well Watered the First Growing Season Until the Plants...
To keep catmint vigorous, divide it every three to four years in either spring or early fall. Keep it well watered the first growing season until the plants become established. ... If you want to contain the overall size of the plant, pinch it back in spring after it is a few inches tall to promote a bushier growth habit.
Does catmint spread fast?
Catmint thrives on neglect. Adding too much water, compost or fertilizer will result in lots of long, flimsy foliage with few flowers. You can divide the plants in early spring to make more catmints, but it isn't necessary. It will flower happily each year and slowly increase in size over time.
How do you make catmint bushier?
Water catmint plants regularly until they become well established. Mulch will help retain moisture and keep down weeds. Once plants are a few inches (8 cm.) tall, pinch them back to promote bushier growth.