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Palmaria palmata
Dulse is a red seaweed that grows on rocks and kelp in cold northern Atlantic and Pacific coastal waters, harvested for food rather than grown as a garden plant. It is not cultivated in a home garden; the key is clean, cold, well-oxygenated seawater if kept in an aquarium or culture.
Palmaria palmata, also called dulse, dillisk or dilsk (from Irish/Scottish Gaelic duileasc/duileasg), red dulse, sea lettuce flakes, or creathnach, is a red alga (Rhodophyta) previously referred to as Rhodymenia palmata. It grows on the northern coasts of the Atlantic and Pacific Oceans. It is a well-known snack food. In Iceland, where it is known as söl [ˈsœːl̥], it has been an important source of dietary fibre throughout the centuries.
P. palmata is to be found growing from mid-tide of the intertidal zone (the area between the high tide and low tide) to depths of 20 m or more in sheltered and exposed shores.
Dulse is commonly used as food and medicine in Ireland, Iceland and Atlantic Canada. It can be found in many health food stores or fish markets and can be ordered directly from local distributors. It is also used as fodder for animals in some countries.
Text excerpted from the Wikipedia article Palmaria palmata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
