41 Groundcovers to Know & Use: Groundcover plants, when properly taken care of, provide dense soil cover, retard weed growth, and prevent soil erosion. Groundcovers range in height from an inch to four feet. They can be woody or herbaceous; clumping or running; evergreen or deciduous. There is a broad array of colors and textures to choose from.
Gladiolus 'Catharina'. I had mine in pots this year. In early to mid summer they have tall green spikey leaves, which add height interest at the centre of a potted arrangement. In the late summer and fall, they produce lush, tropical-iike blossoms.