GS Plant Foods
Organic Liquid Kelp Seaweed Plant Food
Organic Liquid Kelp Seaweed Plant Food
OMRI-listed organic liquid kelp made from cold-processed Ascophyllum nodosum sourced from the clean North Atlantic waters of Norway provides a concentrated dose of natural growth hormones, including cytokinins and auxins, alongside over 60 trace minerals such as iron, zinc, magnesium, and sulfur. This highly dilutable fertilizer transforms into up to 800 gallons of nutrient solution per gallon of concentrate, helping plants establish stronger root structures, withstand drought or frost stress, and produce brighter green foliage through enhanced chlorophyll activity. Ideal for both outdoor crops and indoor environments, the extract supports faster seed germination and prolongs flowering cycles to maximize harvest volumes for vegetables, fruits, herbs, and ornamental species alike.
Dilute 1.5 to 2 ounces per gallon for weekly foliar sprays, apply 2 to 4 ounces per gallon for soil drenches at the plant base, or mix 1 teaspoon per gallon into hydroponic reservoirs; results improve significantly when applied early morning or late afternoon to align with open stomata and prevent wash-off or midday evaporation. Compatible with various fertilizers, this kelp extract amplifies nutrient uptake efficiency while remaining safe for pets, pollinators, waterways, and all edible plants, including roses, tomatoes, blueberries, azaleas, and pothos. Gardeners seeking added nitrogen support may also consider GS Plant Foods Fish & Kelp Liquid Blend, which pairs these beneficial microbes and NPK 2-3-1 sources with the same Norwegian seaweed extract to create a comprehensive root and growth booster.
📋 Product summary:
- Made from cold-processed Ascophyllum nodosum harvested in the clean North Atlantic waters of Norway.
- Contains natural growth hormones cytokinins and auxins plus over 60 trace minerals like iron, zinc, magnesium, and sulfur.
- One gallon yields up to 800 gallons of diluted fertilizer solution for extended coverage.
- OMRI-listed for use in organic gardening and safe for edible crops, pollinators, and pets.
- Applied weekly via foliar spray at 1.5–2 oz/gal, soil drench at 2–4 oz/gal, or hydroponics at 1 tsp/gal.
- Enhances root depth, drought tolerance, chlorophyll levels, and extends flowering duration for larger yields.
- Compatible with other fertilizers to improve overall nutrient absorption efficiency.
- Suitable for vegetables, fruits, herbs, ornamentals, shrubs, trees, and houseplants.
- GS Plant Foods also offers a Fish & Kelp Liquid Blend combining this seaweed with NPK 2-3-1 fish fertilizer.
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Expédition & retours
Expédition & retours
EXPÉDITION:
Les produits marqués de la livraison gratuite seront livrés gratuitement à la caisse. Sinon, les frais de livraison en vrac par verge cube par camion sont le même montant, que le camion ait sa capacité minimale ou maximale. Vous souhaiterez peut-être connaître les directives suivantes :
- Un petit camion pleine capacité : 9 mètres de terre, 9 mètres de compost, 10 mètres de paillis, 5 mètres de remblai, 7 mètres de mélange d'entrepreneur.
- Capacité maximale d'un gros camion : 20 mètres de terre, 20 mètres de compost, 20 mètres de paillis, 18 mètres de remblai, 20 mètres de mélange d'entrepreneur.
La meilleure valeur est toujours une charge maximale par camion pour votre produit particulier.
Nous pouvons mélanger les chargements dans le petit camion pour amener deux produits à la fois avec 8 à 9 verges cubes maximum, selon les produits nécessaires. Vous devez nous contacter pour demander un devis dans cette circonstance.
Si vous commandez en ligne, nous vous contacterons peu de temps après l'achat pour planifier votre jour et heure de livraison. Nous pouvons souvent effectuer des livraisons le jour même avec de petites quantités de camions, appelez le 727-645-5289 ou envoyez-nous un message ici pour le savoir .
La livraison par petit camion est généralement de 1 à 3 jours ouvrables à l'avance MS et la livraison par gros camion est généralement de 2 à 6 jours ouvrables à l'avance MF. Si vous avez un jour et une heure spécifiques en tête, il est préférable d'effectuer votre achat dès que possible afin
pour vous assurer que le jour et l’heure dont vous avez besoin sont disponibles.
Les frais de livraison sont calculés lors du paiement en fonction du type de produit (poids),
quantité de produit, taille du ou des camions et nombre de camions nécessaires.
Si vous préférez communiquer directement avec un représentant pour obtenir un devis, cliquez ici .
RETOUR:
Il n'y a aucun retour une fois le produit livré. La plupart de nos fournitures de jardin en vrac pèsent entre 800 et 1 600 livres par verge cube et nécessitent des camions et des équipements lourds pour être déplacés en vrac.
REMBOURSEMENTS :
Un remboursement peut être traité si vous annulez une commande au moins 2 heures avant le début du jour et de l'heure de livraison prévus. Il n'y a aucun remboursement dans les 2 heures suivant le jour et l'heure de livraison prévus.

Let customers speak for us
from 65 reviewsWorked like an absolute charm!
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Good solution. The little flies have disappeared. We were sure to mist/moisten the surface of each plant once a day for 4 or 5 days, after the initial application of the nematodes, to keep the little guys mobile and able to get to any remaining eggs. So, go for it!
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Product was delivered promptly and the quality of the product was very good, as hoped for. I was thrilled to receive the product so quickly! Thank you!
Product is great. Didn't care for having to pay am extra $17 tariff to UPS to get it delivered, but I guess that's not your doing. Thank you Mr. President.
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I think I’m in love! This beauty came delicately packaged. Seemed to have no stress at all from shipping. I live in Miami, I was worried about shipping all the way from California. To my surprise she arrived well taken care of already. I can tell this grower takes pride in caring for these babies. Shipping was fast. I just ordered again same day!
Great service and great product. Delivery was quick. Good communication.
lovely olive jar, attractive to keep on display. And useful too.