Marsh Marigold, King Cup

Marsh Marigold, King Cup

Caltha palustris

A native aquatic perennial with bright spring blooms suited to pond margins, bog gardens, and wet sites.

  • Kidney-shaped, glossy, dark green leaves, up to 10 cm long, form low mounds
  • Naturally clumping, however, in a natural environment it will self-seed to form a dense, ground cover
  • Bloom Time: Early spring sometimes reblooming in late summer
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Moist, Wet
Hardiness Zone
3 – 3
Mature Height (meters)
0.3 – 0.4
Mature Spread (meters)
0.3 – 0.4
Growth Rate
Medium
Flower Colour
Yellow
Foliage Colour
Green
Bloom Time
Spring
Habit
Mounding
Deer Resistant
Rabbit Resistant
Pollinator Friendly
Ontario Native
Landscape Uses
Border
Growing & Maintenance Tips
Grows best in a wet to moist, rich humus soil in partial shade. Will survive periods of drought, but will go dormant. Naturally found along streams, ponds, swamps or wet meadows.
Notes
Native to Ontario

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