Long, unbranched, cord-like strands — world-first rope cultivation.

Growing Sea Lace together

Sea Lace (Chorda filum) is one of the species we have learned to grow well from native broodstock. We raise it as seeded lines and seeded twine — young brown seaweed established on a rope or twine, ready to go out at your site. It turns up in the trade under many names: seaweed seed, kelp seed, seedlings or seed string.

How the cultivation works

Together we collect fertile Sea Lace from local populations; we then release the spores in our hatchery and seed them onto cultivation twine. Once the young plants are established, the seeded line is ready to deploy. If you would rather seed your own rope on site, we can also prepare Sea Lace as a seed culture in a flask for direct seeding.

Native, locally adapted strains

We grow Sea Lace from mother plants in your own region, so the seaweed is suited to local conditions — important for both commercial farming and macroalgae restoration. That local sourcing is something we do together with you: it usually means collaborating to collect broodstock from your own area. We work this way with farms, research groups and restoration projects across Europe, the Nordic region and the Baltic.

What a collaboration looks like

Every line is grown to order from local material, so we work a season ahead and stay in touch along the way. A typical project runs roughly like this: we talk through your site and goals, plan the broodstock collection together, grow the seedlings in our hatchery, and hand over lines timed to your deployment window.

Let’s talk about your Sea Lace

Because we grow from local broodstock, a Sea Lace project starts with a conversation rather than a shopping cart. The more we know up front, the better we can shape it together.

Helpful things to tell us:

The length of line you are thinking about (in metres)
Where you plan to deploy — country and site
Your rough deployment window
Whether you can help collect local mother plants from your own area — this is usually part of how we source native material

Send us what you have and we’ll take it from there — then we have something to talk through together.

Nothing here is binding — just fill in as much as you can so we get an idea of the scope. You can also call us on +45 41 82 89 70

Other seaweed we work with

← All the seaweed we grow