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Yellow Marsh Marigold
Scientific Name: Caltha palustris L.
Family: Ranunculaceae
Yellow Marsh Marigold (Caltha  palustris)
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 20. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc.
Recommended Temperature Zone:
sunset: All zones
USDA: 3-9

Sun Exposure: Sun to light shade

Origin: Circumboreal Northern America (south to North Carolina, Tennessee, Iowa, Nebraska, and Oregon), Eurasia

Growth Habits: Perennial, 12 to 18 inches tall and wide (30-45 cm) rounded, heart, or kidney-shaped leaves 3 to 7 inches wide (7-17 cm)

Watering Needs: Bog or marsh plant, needs a lot of water

Propagation: Division in early spring or summer, seeds

The entire plant is poisonous. Several cultivars are found in specialized nurseries:
- 'Alba', has white flowers
- 'Plena', has large double flowers and should be propagated vegetatively since it generally doesn't come true when sowed.

Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester, PA.

Cultural Practices:
The Caltha dies to the ground by midsummer.

Blooming Habits:
Cup-shaped, waxy yellow flowers, in clusters of 1 to 7, 1 to 2 inches wide (2.5-5 cm), in early spring. They come on long stalks above the foliage.

Fruiting Habits:

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