2007 Perennial Plant of the Year 18-24" tall x 18" wide. Nepeta 'Walker's Low' (named after a place in England, not its growth habit) is a stunning non-reseeding Catmint selection with attractive, crinkled blue-green foliage and a profusion of deep lavender-blue flowers.

How do you stop catmint from spreading?

Spread compost around the base of plants in spring and mulch with bark to help keep weeds away and the soil consistently moist. Catmint can be kept in almost continual bloom from late spring to fall if you aggressively deadhead flowers and cut the plant back by two-thirds after each flush of blooms.

Is catmint plant invasive?

Catmint is not a plant that is generally considered invasive according to Cornell University. However, it does spread within your garden over time and does need to be controlled to some degree. ... It is a drought-tolerant plant that produces attractive foliage and blue flowers throughout the summer.