Moss phlox is a low, evergreen perennial that forms dense mats of needle-like leaves covered in small flowers in late spring. It is grown as a groundcover or rock garden edging, and its key to success is full sun and very well-drained soil.
Family
Polemoniaceae (Polemoni family)
Grows as
Shrub
Light
Full sun
Water
Water lightly and let the soil dry out between waterings; avoid soggy ground.
Soil
Sandy or gravelly, well-drained soil.
Temperature
Very hardy, tolerating down to about -20 °C; suited to USDA zones 3 to 9.
How easy
Easy
Safety
Not known to be toxic. Not toxic to cats or dogs (ASPCA).
Native range
C. & E. Canada to EC. & E. U.S.A.
Climate
temperate
About
Phlox subulata the creeping phlox, moss phlox, moss pink or mountain phlox, is a species of flowering plant in the family Polemoniaceae, native to the eastern and central United States, and widely cultivated.
The odor given off by the plants may be mistaken for that of marijuana.
How to grow it
The plant is cultivated as a front-of-border or groundcover plant. Requiring full sun and well-drained soil, it is very hardy, tolerating temperatures down to −20 °C (−4 °F), and is suitable for hardiness zones USDA 3 to 9. It grows in sandy or gravelly soil. It only requires light watering. In winter it's recommended to occasionally feed with liquid fertilizer before its season of flowering.
Text excerpted from the Wikipedia article Phlox subulata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.