ORGANIC SEAWEED
Cold-pressed Ascophyllum Nodosum from the North Atlantic. Natural growth hormones, trace minerals, and bioactive compounds, delivers visible results from the first application
Organic · Plant-based · Gentle on soil biology
Featured products
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Organic Seaweed
Regular price £14.99 GBPRegular price
How To Use
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Prepare
Shake the bottle thoroughly before use. Measure 20ml of concentrate (roughly one capful) into your watering can or sprayer
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Dilute & Feed
Mix with 5 litres of water and apply around the roots or directly onto foliage. Ideal for flowers, vegetables, lawns, beds, borders, and container plants
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Nourish Weekly
Use regularly during active growth to support strong, healthy plants. Apply more frequently in spring and summer, and reduce use through autumn and winter
ATLANTIC ORGANIC SEAPLANTS
Atlantic Organic Seaplants brings the full power of the ocean to your garden. Our cold-pressed seaweed concentrate is packed with naturally occurring growth hormones, trace minerals, and bioactive compounds that deliver visible results including stronger roots, healthier foliage, and more vibrant growth from the very first application
What sets Atlantic apart is our gentle cold-press process, with no high heat, no harsh chemicals; so every bottle retains the full spectrum of micronutrients and plant-boosting compounds exactly as nature intended
Certified organic, sustainably harvested, and free from artificial additives. Trusted by home gardeners and professional growers alike to nourish soil, build plant resilience, and support outstanding yields season after season
Why it Works
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Trace Minerals
Broad-spectrum micronutrients in chelated, plant-available form
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Cytokinins & Auxins
Natural growth hormones that promote cell division and root formation
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Alginic Acid & Fucoidans
Polysaccharides that improve soil structure, water retention, and plant immunity
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Mannitol & Betaine
Osmotic regulators that help plants maintain balance under drought and salinity stress
Nutritional Analysis
Cold-pressed Ascophyllum Nodosum
Total Nitrogen (N) — 0.60 kg/m³
Phosphorus (P₂O₅) — 0.20 kg/m³
Potassium (K₂O) — 4.58 kg/m³
Magnesium (MgO) — 1.16 kg/m³
Calcium (CaO) — 0.49 kg/m³
Sulphur (SO₃) — 2.98 kg/m³
Dry Matter: 66.50 kg/m³ · pH: 4.4 · C:N Ratio: 38.6
Source: Lancrop Laboratories. Results on fresh weight basis
Your Questions Answered
What is Atlantic Organic Seaweed?
A cold-pressed liquid concentrate made from Ascophyllum Nodosum, knotted wrack harvested from the North Atlantic. No additives, no preservatives. Just seaweed, exactly as nature intended
How do I use it?
Shake well, measure 20ml (one capful) and dilute in 5 litres of water. Apply as a root drench or foliar spray. Simple as that
Which plants does it work on?
All of them. Vegetables, fruit trees, lawns, flowers, houseplants, orchids, succulents; if it grows, Organic Seaweed will help it thrive
Why cold-pressed and not powdered?
Heat and drying destroy the bioactive compounds that make seaweed effective. Cold-pressing preserves the full spectrum of cytokinins, auxins, and trace minerals — so your plants get the real thing
Is it safe around pets and children?
Yes, 100% organic with no added chemicals. As with any garden product, store out of reach and follow the label
How long does it keep?
24 months from purchase when stored in a cool, dark place with the cap tightly closed