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Pepper Dulse

Osmundea pinnatifida

Pepper Dulse
Photo: Luis Fernández García, CC BY-SA 4.0

Pepper dulse is a small red seaweed that grows in tufts on rocks in the lower tidal zone of sheltered European coasts. It is a marine alga, not a land plant, so it cannot be grown like a garden or houseplant.

Family
Rhodomelaceae (Rhodomel family)
Water
Grows submerged in seawater in rock pools and is never exposed beyond low tide.
Safety
Not known to be toxic
Edible
Yes, some parts

About

Osmundea pinnatifida is a species of red alga known by the common name pepper dulse.

It is a small seaweed widely found in the tidal zone of moderately sheltered rocky shores around Europe. Although technically a red seaweed, it can show a wide range of colouring from yellow-buff to a red so dark as to be almost black.

Where it grows

Common growing as tufts on rock in rock pools in the lower littoral but never below low tide.

Uses

In Ireland, like most seaweeds, it is harvested quite a lot. It is often used in gin-making in northwestern Ireland. It is harvested and dried in Scotland and in the Channel Islands for use as a curry-flavoured spice.

Text excerpted from the Wikipedia article Osmundea pinnatifida 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.

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