Marsh Marigold Seeds caltha palustris - flowers in March and April when it can be found growing in damp woodland, water meadows, stream sides and marshes. In gardens, it can be grown around a pond edge or in a bog garden and will tolerate sun or shade. Although a wetland plant, Marsh Marigolds will also tolerate dry conditions quite well, and can be useful for soils that do not retain water the whole year round. Marsh Marigold produce a spectacular display of bright yellow flowers in spring and. look best growing with other spring flowering wetland plants such as Snake`s head fritillaries, Ragged Robin and Cuckooflower. Alternative names for Marsh Marigolds include `Kingcups` Mayflower, mollyblobs, Water-bubbles, and May-blobs