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Blue Lily Turf

Liriope muscari

Also listed as Liriope gigantea, Liriope platyphylla

Also known as Monkey Grass, Big Blue Lilyturf

herbaceous⛅ part shade💧 low water❄ Hardy: Zone 4b – Zone 10b

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A tough, low-maintenance ornamental grass with narrow, dark green leaves and delicate purple or lavender flower spikes in late summer. It works well as edging, groundcover, or in containers and requires minimal care once established.

Why grow it

Liriope muscari offers reliable late-season color and texture in settings where many perennials have faded, with purple flower spikes appearing from late summer through fall. Compared to fine fescue or other ornamental grasses, it tolerates both dense shade and full sun, making it adaptable to varied garden microclimates where alternatives may struggle. Its evergreen or semi-evergreen foliage provides year-round structure with minimal fertilizer or supplemental water once established.

Watch out for

In consistently moist soils, particularly those with poor drainage, liriope can develop fungal issues such as root rot or leaf spot. Flowering and vigor may decline in deep shade or when plants become overcrowded, so periodic division every three to four years helps maintain vigor and appearance.

Overview

Form
clumping grass-like
Growth Rate
moderate
Size
1–0.5′ tall × 1–2′ wide
Dormancy
evergreen
Family
Asparagaceae
Erosion control

Native Range

East Asia (China, Japan, Vietnam)

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

Similar ground covers you might consider:

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Companion Planting

Plants well with