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Caltha palustris

yellow marsh marigold add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun, part-shade

Water Use: high

Soil Moisture: moist, wet

Soil Description: acid, neutral, rich, loam, clay, sand

Height: 1'-2'

Bloom Time: April, May, June

Bloom Color: yellow

Leaf Color: green

Hardiness Zone: 2, 3, 4, 5, 6, 7

Additional Tags: clumping, colonizing, edible, mounding, pond margin plant, shade garden plant, stream margin plant, swamp plant

Flowers of Caltha palustris (yellow marsh marigold)
  • Flowers of Caltha palustris (yellow marsh marigold)
  • Caltha palustris (yellow marsh marigold)
  • Flowers of Caltha palustris (yellow marsh marigold)

Pricing & Availability

Description

Caltha palustris

Also known as:

yellow marsh marigold

,

marsh marigold

,

cowslip

Scientific Synonyms:

Description

Caltha palustris is a clumping plant that can form 1 1/2' tall mounds. The leaves are deep-green, glossy, kidney or heart-shaped. The yellow flowers are waxy and resemble over-sized buttercups. This is an overall showy plant.

Cultivation

Yellow marsh marigold is native to low-lying, wet meadows, marshes and water margins. It does well in part shade, and full sun if provided with ample moisture. It is low maintenance and will spread readily under ideal, wet conditions, via rhizomes. Under dryer conditions, these will die back and the plant will remain as a clumped specimen. Bloom times are from April to June. Zones 2-7

Propagation

Easily propagate by division. Can also be easily propagated from seed. The seed capsules burst open when ripe, scattering the seeds. timing is critical if you are trying to collect them.

Additional Notes

Caltha palustris is actually not a marigold (Aster family) at all, but rather a member of the Buttercup family. Like all members of this family, all parts of this plant are toxic if ingested in large quantities. However, with adequate preparation several parts are edible. Young leaves may be double boiled to remove any toxins, and make delicious cooked greens. The young flower buds can be parboiled and pickled as a substitute for capers.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
CA, CT, DE, IA, IL, IN, KY, MA, MD, ME, MI, MN, MO, NC, ND, NE, NH, NJ, NY, OH, OR, PA, RI, SD, TN, VA, VT, WA, WI, WV

USDA Endangered Status:

  • Endangered: TN

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Magnoliidae
Order Ranunculales
Family Ranunculaceae Buttercup family
Genus Caltha marsh marigold
Species Caltha palustris yellow marsh marigold