How to press seaweed

How to press seaweed

Pressing seaweed is a lovely way to appreciate the different colours and shapes of the weeds.

Published: June 11, 2021 at 9:00 am

Plants on the beach are full of surprises. Below the tide line, you enter the realm of seaweed. These plants have no roots or flowers, but are as beautiful as any garden plants.

How to collect seaweed

There are numerous species of seaweed found around our coastlines, discover 12 species to look out for in our guide by naturalist Paul Evans.

For seaweed pressing, you don't want pieces of seaweed that are too large to fit onto your piece of paper, so bear that in mind when picking up seaweed and choose small enough pieces.

Avoid pieces of seaweed that are home to wildlife. Some wildlife species, like crabs or snails, can be transferred to other pieces of seaweed, but some, like bryozoan mats, cannot.

Collecting seaweed from the strand line. © Heather Buttivant
Collecting seaweed from the strand line. © Heather Buttivant

How to press seaweed

You will need:

  • Deep tray
  • Sheet of heavy paper (Watercolour paper is ideal)
  • Fresh water
  • Greaseproof baking paper
  • Paper towels
  • Newspaper
  • Heavy towels

Heather Buttivant is a writer and educator who specialises in introducing people to the mysterious wildlife beneath the Cornish waves. Her popular blog, Cornish Rock Pools, won the BBC Wildlife Magazine Blog of the Year Award in 2017 and she has appeared on BBC Countryfile. She is often found crawling through seaweed wearing waders or running children’s events for Cornwall Wildlife Trust in her ‘I love sea slugs’ t-shirt.

This is an edited extract from Beach Explorer: 50 Things To See and Discover by Heather Buttivant. Published by September Publishing, £10.99.

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