Its buttercup-bright flowers are a spring wake-up call. Even after flowering, the shiny round leaves make a fine ground cover for a moist spot. This is the double form of the common Double Flowering Marsh Marigold.
Attributes - Caltha palustris 'Flore Plena'
Plant Type: Perennial
Bloom Season: Early Spring through Late Spring
Flower Color: Yellow
Height: 10 in. to 1 ft.
Width: 1 ft. 6 in.
Sunlight: Full Sun, Partial Sun, Shade
Climate: Zones 4, 5, 6, 7, 8, 9, 10
Notes: Thrives in Acid Soil, Wet Soil. Showy Flowers.