The Marsh marigold scientific name is Caltha palustris and is also known as caltha cowslip. Marsh marigold belongs to the buttercup family (Ranunculaceae). Actually the marsh marigold has no petals. Rather, each cluster of flowers is made of 5 to 9 sepals, which resemble petals, surrounding many stamens and pistils. The waxy deciduous foliage is rich green and each of the leaf is heart-shaped, kidney-shaped, or rounded with 2 lobes. You can sow the marsh marigold seeds in the late fall or early spring. To read more visit https://www.flowerpeek.com/2022/06/how-to-grow-marsh-marigold-plants.html