Plant library · Groundcovers
Liriope spicata
Liriope is a low, grass-like evergreen groundcover that makes a broad, textural layer beneath shrubs or along the front of part-shaded beds. At about 1 foot tall and 2 feet wide, it reads as foliage first, with purple flower spikes arriving from late summer into early fall. Its perennial cover suits areas that need a continuous planted surface rather than open mulch.
Use liriope to fill the quiet ground plane at bed edges, below open-canopied shrubs, or across slopes where a connected cover is useful. Keep it out of routes intended for walking; the foliage cover is not suited to foot traffic. A bed bounded by paving, a wall, or a substantial below-ground edge gives the spreading rhizomes a clear limit and simplifies long-term maintenance.[1][2]
Set plants 18 inches apart, center to center, for a linked planting that closes into a groundcover. Each plant can occupy about 2 feet in width, so allow the planting to meet neighboring bed occupants rather than tucking single plants into narrow gaps. Reserve an accessible outer edge for trimming, division, and removal of runners before they cross into lawn, paths, or adjacent planting areas.
Place liriope in partial shade and give it regular water, especially while it is knitting together. It is best used where water can reach the whole drift without soaking the planting area. Good drainage helps keep the groundcover suitable for a long-lived bed, particularly beneath trees or beside structures where moisture patterns may vary.[1][2]
The evergreen foliage provides structure through much of the year, while late-summer to early-fall flower spikes add a brief vertical lift above the low cover. In colder winter conditions, foliage can brown or look worn. Cut or mow back old leaves in early spring before new growth emerges, leaving room to reach the planting without stepping through it.[1][3]
This is an assertive groundcover, spreading by underground rhizomes into nearby turf or planting beds if left uncontained. Treat it as a dedicated matrix planting rather than a small accent among slower or more delicate neighbors. A hard boundary or deep edging is a practical design choice where it meets lawn, paths, and mixed borders, and occasional runner control should be part of the plan.[1][2]
Editorial content updated 2026-07-20.