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King Cup Wikimedia Commons
Ranunculaceae

King Cup

Caltha palustris

Wealth and coming of spring.

Family
Ranunculaceae
Genus
Caltha
Native to
Europe, North America, Northern Asia
Bloom season
Spring
Type
perennial
Height
1-2 ft
Sunlight
full sun to partial shade
Soil
wet, boggy, rich clay
Water
high
Hardiness
3-7
Lifespan
perennial

Did you know

  • Also called Marsh Marigold, it is one of the earliest spring wildflowers, blooming along stream banks when snow is still melting.
  • The bright yellow flowers were historically used to make a golden dye for butter and as a food coloring in rural Europe.
  • All parts of the plant are mildly toxic when raw but were eaten after thorough boiling by various indigenous cultures.
  • In medieval England, garlands of King Cup were hung over doorways on May Day to ward off witches and evil spirits.
  • It was once so common along English streams that Shakespeare likely referred to it as 'mary-buds' in the song from Cymbeline.

Color meanings

0

desire for riches

1

joy

2

coming of spring

Uses

  • bog gardens
  • pond margins
  • historical dye plant
  • native wetland restoration