Caltha Species, Cowslip, Kingcup, Marsh Marigold

Sends out runners and pops up in unexpected places. It can be a bit invasive but is easy to transplant or remove from areas where not wan...Read Moreted. It is a nice alternative to Daffodils for Spring and is able to re bloom numerous times but the blooms get smaller.

A bright yellow native that can be seen in some small wilderness patches that is wooded and near water in early to mid spring. For me, th...Read Moreey tend to last all year round with foliage while the flowers are among the earliest to bloom. They seem to dislike small non draining tubs that is crowded with other speces. I have at least one large speciment in a wooden half wine barrel dug in the ground along with a patch of yellow flag iris (warning- flag iris multiply so need to be divided every three or four years) , a golden alexander, and sensitive fern. The barrel flood for short periods of time, so Marsh Marigold do well in non draining container set in the ground. They will grow in sun or shade, with shade pereferable in hot climates.

In native conditons I have seen them growing strongly in wooded swamps or wetlands, floodplain at a certain elevation, on the raised ground produced by shrubs and grasses in shallow water, and even in the transition zone between bogs and swamps. In sunny conditions, they tend to be drowned out by reed grasses and cattails. For some reason I never had seen them mixed with cattails at all or not common at all in cattails.

An excellent, well behaved pond plant with clear very bright yellow flowers from March - October in Zone 10a. Large beautiful foliage, e...Read Morevergreen through the winter rainy season.

This plant is thriving here in my pond on Vancouver Island, West Coast of Canada (above Washington State). Beautiful, long lasting bloom...Read Moreing time (weeks). Last winter it got down to -10 Celcius (14F) for about 5 days, the pond was frozen over and under a foot of snow - the marigold came back beautifully! I see we can't add a Canadian postal code but just wanted to let you know this plant does very well way up here!

Also known as Kingcup, Meadow bright, and May blob. An early spring, bright yellow, “buttercup” type flower for the bog garden or ...Read Morepool edge to depth of 6 inches. In my pool (which frequently freezes over in Winter) they produce a mass of flower from April/May onwards.

There are about 10 species to this genus. They are all moisture loving plants. Grown best along ponds but are happy in any rich, moist/da...Read Moremp soil in full sun. They grow to about 18" and have the about the same spread. Flowers in early spring to mid summer, flower color is yellow or white. They spread by rhizomes but can also be proagated from seed. Hardy zones 3-8.