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Emerging Kelp Industry in the Pacific Northwest

A new wave of entrepreneurs and farmers in the Pacific Northwest is exploring the potential of seaweed farming, driven by environmental concerns and economic opportunities.

Portrait of Linda Sorensen
The West · November 15, 2026
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AI-generated editorial illustration from an imagined camera angle.
AI-generated editorial illustration from an imagined camera angle. Source image: www.opb.org.

Emily Power, a Seattle-based entrepreneur, has left her job at Microsoft to develop eco-friendly products from seaweed, including biodegradable kelp pots for plant growing. These pots break down in eight to 12 weeks and fertilize seedlings as they grow (source ID: 1). Power's company, Ocean Made, is part of a growing industry focused on sustainable uses of kelp, such as clothing, makeup, food, and plant fertilizer. The U.S. imports over $100 million worth of seaweed annually, much of it from South Korea, but local producers are aiming to establish the Pacific Northwest as a significant player in the kelp industry. [1]

Kelp farming is proving to be a complex endeavor. On Lummi Island, a kelp farm called Lummi Island SeaGreens is working to collect spores from wild kelp forests, which are essential for starting the farm. Diver Mike Spranger collects spores from sugar kelp blades, which are then taken to a nursery for germination. However, the process is fraught with challenges, including unpredictable weather, difficulty in recreating oceanic conditions in controlled environments, and the need to follow strict environmental regulations (source ID: 1). [1]

Regulators are cautious about the impact of kelp farming on sensitive ecosystems, such as the Salish Sea, where kelp forests are declining due to climate change. The Washington State Department of Natural Resources is concerned about the potential risks of seaweed farming, including the possibility of loose ropes tangling with wildlife or propellers. Despite these challenges, there is hope that kelp farming could help restore some of the lost habitat for salmon and other marine life (source ID: 1). [1]

Emily Power, a Seattle-based entrepreneur, has left her job at Microsoft to develop eco-friendly products from seaweed, including biodegradable kelp pots for plant growing (1). Kelp farming is proving to be a complex endeavor. Regulators are cautious about the impact of kelp farming on sensitive ecosystems, such as the Salish Sea, where kelp forests are declining due to climate change (1). [1]

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Farming seaweed is a lot harder than it looks on the surface. For example, at Lummi Island SeaGreens, a kelp farm located on Lummi Island, the process of collecting spores is critical for establishing a farm (1). Diver Mike Spranger dives into kelp forests to collect spores, which are only viable for four to six weeks. If they fail to collect spores, years of securing permits and thousands of dollars could be wasted (1). [1]

Building a kelp farm requires careful attention to environmental regulations. The Washington State Department of Natural Resources is concerned about anything that shares water with wild kelp forests, as these areas are crucial habitats for salmon and other wildlife (1). Farmers must use seaweeds that grow wild in the specific area and preserve the genetic diversity of the region (1). [1]

Despite the challenges, there is hope for the industry. The success of Alaskan seaweed farming has inspired farmers in Washington, and some see the possibility that Washington could become a processing hub for Alaskan seaweed (1). However, farmers are not currently asking for government investment but are seeking approval from state agencies to continue their efforts (1). [1]

Emily Power, a Seattle-based entrepreneur, has left her job at Microsoft to develop eco-friendly products from seaweed, including biodegradable kelp pots for plant growing (1). Power’s company, Ocean Made, creates kelp pots that break down into the earth within eight to 12 weeks, offering an alternative to plastic containers. These pots not only decompose but also fertilize seedlings as they grow, showcasing the potential of seaweed in sustainable product development. [1]

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Farming seaweed is a lot harder than it looks on the surface. Building a kelp farm requires careful attention to environmental regulations. On Lummi Island, a kelp farm called Lummi Island SeaGreens faces challenges such as securing spores, which are only viable for four to six weeks. The process involves diving into kelp forests to collect spores, which are then taken to a nursery on land to germinate. This step is crucial but fraught with uncertainty, as weather and environmental conditions can jeopardize the entire operation. [1]

Regulators are cautious about the impact of kelp farming on sensitive ecosystems, such as the Salish Sea, where kelp forests are declining due to climate change. The Washington State Department of Natural Resources is concerned about any activity that shares water with wild kelp forests. These forests are vital habitats for salmon and other wildlife, and their decline has prompted regulatory oversight to ensure that kelp farming does not exacerbate the problem. Farmers must adhere to strict environmental regulations to protect these ecosystems while developing their farms. [1]

Emily Power, a Seattle-based entrepreneur, has left her job at Microsoft to develop eco-friendly products from seaweed, including biodegradable kelp pots for plant growing (1). Power’s company, Ocean Made, produces kelp pots that break down into the earth within eight to 12 weeks, offering an alternative to plastic containers. These pots not only serve as plant-growing vessels but also fertilize seedlings as they decompose. Power describes herself as 'hooked on kelp,' emphasizing the regenerative potential of seaweed as a material. Despite the growing interest in kelp-based products, the industry is still in its early stages, with the U.S. importing over $100 million worth of seaweed annually, mostly from South Korea. [1]

Farming seaweed is a lot harder than it looks on the surface (1). Building a kelp farm requires careful attention to environmental regulations and the challenges of cultivating wild algae. A kelp farm called Lummi Island SeaGreens, located near Bellingham, is working to collect spores from wild kelp forests, which are declining due to climate change. This process is delicate and time-sensitive, with spores viable only for four to six weeks. If spores are not collected successfully, years of permits and funding can be wasted. The farm’s success depends on finding viable spores and recreating oceanic conditions in controlled environments, which is difficult and prone to failure due to factors like microscopic snails in water tanks. [1]

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Regulators are cautious about the impact of kelp farming on sensitive ecosystems, such as the Salish Sea, where kelp forests are declining due to climate change (1). The Washington State Department of Natural Resources is concerned about any activity that shares water with wild kelp forests. These ecosystems provide critical habitat for species like salmon, and their decline is a pressing issue. While kelp farming could help restore some of that habitat, it also poses risks, such as loose ropes from farms tangling with wildlife or propellers. Farmers must adhere to strict regulations to ensure that their operations do not harm the environment. For example, Lummi Island SeaGreens must use locally sourced seaweed spores to preserve genetic diversity, and they must regularly check their farm equipment to prevent ecological damage. [1]

Sources

OPB: West Coast

Prepared with AI assistance from the cited sources.

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