Answer: There are two types of Liriope; spreading and clumping. If you're worried about aggressive behavior, choose from the list of clumping types of Liriope:
?Big Blue? Improved type; solid green leaves 15 inches long; outstanding blue tapering inflorescence; full sun to deep shade.
?Majestic? Solid green leaves 15 inches long; outstanding heavy lilac blooms; needs deep shade.
?Monroe?s White? Solid green leaves 15 inches long; only white bloomer; outstanding flowerdisplay; needs deep shade.
?Royal Purple? Solid green leaves 15 inches long; showy, dark purple blooms; partial to full shade.
?Variegata? Cream and green striped leaves 12?18 inches long; outstanding lavender blooms;sun-tolerant; full sun to deep shade; a rare white-flowering form also exists.
?Green Midget? Outstanding foliage/habit; smallest grower; good border for foreground plants.
?Silvery Midget? Small, randomly variegated leaves; slow grower; showy flowers and foliage/habit.
?Lilac Beauty? Last to flower; outstanding, bouquet-type inflorescence.
?John Burch? Variegated foliage; largest flowers of any liriope.
Best wishes with your landscape!
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