Lily Turf

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The Best Shade-Loving Groundcover for Phoenix Landscapes Liriope muscari, commonly known as Lily Turf or Monkey Grass, is one of the most reliable low-maintenance groundcovers for shaded areas in Phoenix Valley landscapes. This dense, grass-like evergreen perennial forms attractive clumps of dark green arching foliage and sends up spikes of purple flowers in late summer. Originally from East Asia, Lily Turf has become a go-to plant for Arizona landscapers who need a tough, attractive solution for those tricky shaded spots where most plants struggle. Whether you're edging walkways in Scottsdale, filling under-tree beds in Chandler, or creating borders in Gilbert — Lily Turf delivers year-round green with minimal effort. Lily Turf Plant Details Attribute Detail Scientific Name Liriope muscari Common Names Lily Turf, Monkey Grass, Lilyturf, Big Blue Lilyturf Mature Height 9–18 inches Mature Width 12–18 inches Growth Rate Moderate — forms dense clumps within one growing season Sun Partial shade to full shade. Can take morning sun but needs afternoon shade in Phoenix. Water Moderate. More water-efficient than lawn grass but needs regular irrigation in Phoenix heat. USDA Zones 5–11 (Phoenix is Zone 9b–10a) Soil Adaptable. Prefers well-draining soil but tolerates Arizona caliche with adequate irrigation. Foliage Evergreen — dense, dark green grass-like blades year-round Bloom Color Purple flower spikes in late summer, followed by dark berries Lily Turf Uses in Phoenix Landscapes Shade Garden Groundcover Lily Turf excels in the shaded areas where most plants fail — under large trees, along north-facing walls, and in covered patio beds. Plant 12–15 inches apart for a dense carpet of green that eliminates bare spots. It's one of the few groundcovers that actually thrives in deep shade throughout Mesa, Tempe, and Peoria. Border & Edging Plant The neat, clumping habit of Lily Turf makes it perfect for edging walkways, driveways, garden beds, and pool areas. Its grass-like texture softens hardscape edges while staying tidy without spreading aggressively. Plant a single row 12 inches apart for a clean, defined border. Lawn Alternative in Shaded Areas For homeowners tired of struggling to keep Bermuda grass alive under trees, Lily Turf provides a lush, green lawn-like appearance with far less water and maintenance. Mass-plant at 10–12 inch spacing for a continuous green carpet that requires no mowing and stays attractive year-round. Best Time to Plant Lily Turf in Phoenix Fall (October–November) is the ideal planting window. Cooler temperatures reduce transplant stress and the mild winter allows strong root establishment before summer heat arrives. Spring (February–April) is the second-best window. Avoid planting in peak summer — while Lily Turf can survive, establishment is much slower in extreme heat. How to Plant Lily Turf Dig wide, not deep — hole should be 2x the root ball width, same depth as the container. Check for caliche — break through any hardpan layer for drainage. Amend soil lightly — mix 20–30% compost into backfill for improved moisture retention in shaded areas. Spacing — 10–12 inches for dense groundcover; 15 inches for individual clumps. Water basin — build a shallow ring to direct water to the root zone during establishment. Mulch — 2–3 inches of bark or organic mulch to retain moisture and suppress weeds. Watering Lily Turf in Phoenix First Year Watering Schedule Weeks 1–2: Every 1–2 days, deep watering to settle roots. Month 1–3: Every 3–4 days. Month 3–12: Every 5–7 days (every 3–4 days in peak summer). After Year 1: Every 7–10 days in summer; every 2–3 weeks in winter. Drip Irrigation Place one 1-GPH emitter per plant, 6–8 inches from the base. For mass plantings, use drip tubing with emitters spaced every 12 inches. Lily Turf needs more water than most desert plants but far less than traditional turf grass. How fast does Lily Turf grow in Phoenix?Lily Turf grows at a moderate pace in Phoenix. Planted in fall, expect individual clumps to fill out within one growing season. Mass plantings achieve full coverage in 1–2 years depending on spacing. Does Lily Turf need full shade?Lily Turf performs best in partial to full shade in Phoenix. It can tolerate morning sun but needs protection from intense afternoon sun, especially in south- and west-facing exposures. In full Phoenix sun, leaf tips may brown and growth will be less vigorous. Is Lily Turf invasive?No. Liriope muscari is a clumping variety that stays where you plant it and does not spread by runners. This makes it much better behaved than its cousin Liriope spicata, which can spread aggressively. Can I use Lily Turf around pools?Yes. Lily Turf is an excellent pool-side plant. It has no thorns, minimal leaf litter, and the clumping habit stays tidy. The soft, grass-like foliage feels comfortable underfoot near pool decks. You May Also Like Bigleaf Periwinkle — Shade-tolerant evergreen groundcover with purple-blue flowers. Katie White — Compact Ruellia groundcover that handles partial shade. Dwarf Heavenly Bamboo — Colorful compact shrub for shaded borders. Daylily — Hardy perennial with colorful blooms for partially shaded beds. How Many Lily Turf Do I Need? Lily Turf is sold as a clumping groundcover. At its mature width of 12 to 18 inches, plant on 12-inch centers for a fast, dense carpet or 15-inch centers for a looser fill. Use this coverage guide: Area to Cover Plants at 12 in spacing Plants at 15 in spacing 25 sq ft 25 16 50 sq ft 50 32 100 sq ft 100 64 Single-row border (per 10 ft) 10 8 For a clean edging row, 12-inch spacing reads as a continuous green ribbon within one season. Lily Turf Season-by-Season in Phoenix Spring (Feb-Apr): New blade growth pushes up as soil warms. A good second planting window, and the time to shear off any winter-tattered foliage to make room for fresh blades. Summer (May-Sep): Purple flower spikes appear in mid to late summer. In shade and with regular irrigation it stays lush through the heat. In full reflected sun the tips can brown, so keep it under trees, on north walls, or in afternoon shade. Fall (Oct-Nov): Prime planting season and the best time to divide established clumps. Dark berries follow the spent flower spikes. Winter (Dec-Jan): Evergreen and reliably cold-hardy in the Valley. Foliage holds its dark green through Phoenix winters with no frost protection needed. At a Glance ✔ Pollinator-Friendly ✔ Evergreen ✔ Pool-Friendly (Low-Litter) ✔ Low-Maintenance ✔ Cold-Hardy to -10°F Plant It With Katie White: a clean white Ruellia groundcover that takes the same partial shade and pairs for color contrast. Foxtail Fern: a soft evergreen texture for the same shaded, low-litter beds. Little Rev Flax Lily: an upright strappy companion that echoes the grass-like blades in a taller form. Giant Tropical Bird of Paradise: a bold shade-tolerant anchor to rise above a Lily Turf carpet. Is Lily Turf Right for Your Yard? Lily Turf thrives in partial to full shade under trees, along north-facing walls, and in covered patio beds, where it forms a tidy clumping carpet on most soils as long as irrigation is steady. It is cold-hardy through Valley winters and easy to keep. It is not a fit if you need a plant for open, full-sun, reflected-heat exposure with little water, since the blades will brown and thin out there. For those spots, choose a true desert groundcover instead. Show more