Seaweed foraging
Seaweed foraging is a fun, sustainable, and deeply nourishing way to connect with the coastal ecosystems of Whidbey and Camano Islands. The intertidal zones and rocky shorelines of these islands host a rich variety of edible seaweeds—including sea lettuce, rockweed, and bull kelp—that have been harvested for generations by Indigenous communities and coastal residents alike. Today, responsible foraging allows visitors and locals to engage directly with the marine environment in a way that fosters appreciation, curiosity, and stewardship.
To legally forage seaweed, you’ll need a valid Washington State shellfish/seaweed harvesting license, available through the Washington Department of Fish & Wildlife (WDFW). But beyond permits, practicing regenerative foraging is key: take only what you need, harvest no more than the legal limit (10 lbs. wet weight per person per day), and always leave the holdfasts intact so plants can regrow. Avoid pulling or ripping seaweed from the rocks—use scissors to trim only the upper third of the frond, and space out your cuts among multiple plants to reduce stress on any one area.
This mindful approach supports not only the health of future seaweed populations but also the creatures that rely on kelp forests for food and shelter. By respecting the tides, the rhythms of nature, and the rights of future foragers, seaweed gathering becomes more than a coastal pastime—it becomes a meaningful act of conservation and connection.
Common Edible Seaweeds You Can Find
- Nori (Porphyra spp.)
- Thin, papery red seaweed is often dried and used in sushi wraps.
- Best harvested from spring to early summer.
- Bladderwrack (Fucus)
- Brown seaweed with air-filled bladders, used in soups and teas.
- Found on rocky intertidal areas.
- Sugar Kelp (Saccharina latissima)
- Wide, ribbon-like brown kelp with a sweet flavor.
- Great for broths or dried snacks.
- Sea Lettuce (Ulva)
- Bright green, soft, and delicate; often used in salads or soups.
- Common in shallow tidal zones.
- Winged Kelp (Alaria marginata)
- Nutrient-rich and similar to wakame, it is used in miso soup and stir-fries.
Where to Forage
(Check tide tables and local harvesting closures beforehand)
- Libbey Beach Park (Whidbey) – Rocky shores at low tide
- Ebey’s Landing (Whidbey) – Sea lettuce and kelp species
- Camano Island State Park – Excellent intertidal habitat
- Cama Beach – Easy access for families and beginners
Tips for Safe & Sustainable Harvesting
- Always check for beach closures and water quality on WDFW’s website.
- Harvest only the upper portions of plants (leave the holdfasts to regrow).
- Use scissors or a knife—never pull seaweed from rocks.
- Avoid areas with runoff or marinas (pollution risk).
- Do not overharvest—respect the ecosystem.
Resources & Classes
- Sound Water Stewards (Whidbey) and Sno-Isle Libraries offer seasonal classes on seaweed ID and sustainable harvesting.
- Follow forager and herbalist educators like Anna Moore (@whidbeywildmushrooms) for seasonal updates and guided foraging sessions.
- Books to check out:
- Pacific Seaweeds by Louis Druehl & Bridgette Clarkston
- The Seaweed Collector’s Handbook by Miek Zwamborn
