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Plant Database
moss phlox

moss phlox

Phlox subulata

groundcover☀️ full sun💧 low water Hardy: Zone 3bZone 9b

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A low-growing evergreen groundcover that spreads into dense mats covered with small needle-like foliage and colorful star-shaped flowers in spring. Excellent for rock gardens, borders, and slopes where it tolerates poor soil and drought once established.

Overview

Form
Mounding
Growth Rate
moderate
Size
0.33–0.5′ tall × 1.5–2′ wide
Dormancy
evergreen
Family
Polemoniaceae

Native to the United States

Native Range

Eastern North America

Native to: Connecticut, Delaware, Massachusetts, Maryland, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, Virginia, West Virginia

Seasonality

Bloom Season

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

Season of Interest

Spring

Companion Planting

Plants well with