Caltha palustris palustris (Caltha polypetala, Giant marsh marigold)

Caltha palustris palustris (Giant marsh marigold) has flowers and foliage two or three times the size of our native species.

Caltha palustris palustris (Giant marsh marigold) was previously known as C. polypetala. Being an American species it is of course bigger and better! Flowers and foliage are two or three times the size of our native species and the whole plant makes a lovely hummock of big heart shaped leaves. New plants will form at the nodes where the flowering stems touch the water.

Plant max height CM Planting depth cm Flowering from month Flowering to month Availability from month Availability to month
60 0-10 4 7 3 11


From April to August, single bare root plants or single P9 pots will not be available mail order. Various larger potted options may be available all year subject to seasonality.


1 x bare root, 3 x bare root, 10 x bare root, 1 x P9 pot, 3 x P9 pot, 1 x 1 litre pot, 3 x 1 litre pot, 1 x 2 litre pot, 1 x 3 litre pot, 1 x 3.5 litre pot


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