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Queen Cup Wikimedia Commons
Liliaceae

Queen Cup

Clintonia uniflora

Quiet elegance in hidden places.

Family
Liliaceae
Genus
Clintonia
Native to
western North America
Bloom season
Late Spring, Early Summer
Type
rhizomatous perennial
Height
8–15 cm
Sunlight
full shade to part shade
Soil
moist, acidic, humus-rich
Water
medium to high
Hardiness
4–7
Lifespan
long-lived perennial

Did you know

  • Each plant produces just one solitary flower — 'uniflora' literally means 'one flower'.
  • The metallic-blue berries that follow the bloom are striking but mildly toxic to humans.
  • It spreads primarily through underground rhizomes, forming lush carpets on the forest floor.
  • The genus is named after DeWitt Clinton, a 19th-century New York governor and naturalist.
  • Grouse and other forest birds eat the blue berries and help disperse the seeds.

Color meanings

White

woodland solitude and understated beauty

Uses

  • woodland gardens
  • native plant landscaping
  • ground cover in shade gardens