Liriope plants are ornamental clumps of grass growing less than 18 inches tall. The blades can be solid deep green or variegated depending on the variety. Spikes of lavender, blue or white flowers reach above the green blades in late summer and linger into fall. Liriope plants can be used as border plants and can also be planted in large numbers to grace a slope in the landscape. The liriope plant is hardy in USDA zones 6 through 10.
Select a planting location in early spring or early fall. Liriope plants can tolerate full sun to shade. The quality of the soil is not important as long as the area is well-drained.
Dig the hole two times as wide as the potted liriope plant is one and half times as deep as the pot is tall. Compost or leaf mold can be added to the bottom of the hole. Remove the liriope plant from the pot and use your fingers to gently loosen the roots at the bottom. Hold the liriope plant in the center of the hole, keep the top of the rootball at ground level, and backfill the hole. Tamp down the soil to force out air pockets. Dig holes for additional liriope plants at least 12 inches apart.
Water after planting and then again every 10 days for about a month unless it rains. Water in the morning to give the sun and air time to evaporate any water on the blades. Water remaining on the blades for more than six hours could lead to fungus appearing as reddish-brown spots. A fungicide spray can be used. When planting liriope in the spring, water throughout the first summer if there is no saturating rainfall. Apply two to three inches of mulch.
Cut off the flowers at the base of the stem if you do not want the plant to seed and subsequently spread. By leaving the flowers to seed, the plant will expand its root system and in subsequent years, you can dig up the plant to divide it for replanting. Cut off all the dead foliage in late winter or early spring.
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