Top 10 Seaweed Fertilizer for Orchid – Home & Kitchen Features

As an Amazon Associate I earn from qualifying purchases.

1. Bloom City


Quart 32 oz Concentrated Makes 180 Gallons, Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City

Bloom City #ad - Extracted to protect natural enzymes: clean kelp’s unique processing techniques give the cleanest possible kelp extract. Fully organic seaweed and kelp: a seven species blend of Ascophyllum Nodosum, Arthrospira Platensis, Palmaria Palmata, Laminaria Saccharina, Chlorella Vulgaris, Ecklonia Maxima, and Chondrus Crispus.

Get all the benefits of natural kelp enzymes and hormones without the non-nutritious fibrous pulp that gives other kelps their thick, brackish appearance. Simple and safe to use for all plants: add to every watering, it’s that easy. You can see the difference. Clean kelp aids in every stage of growth for root and stem health.

No risk of over application, plants love kelp. Bloom city chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems. For both plants and lawns: add Clean Kelp to all of your houseplants, vegetable garden, and your lawn for healthy green plants. Formulated and made in the usa: designed by botanists and plant chemists.
BrandBloom City #ad
ManufacturerBloom City #ad
Part Numberkelp-32

2. Grow More


1-Quart, Grow More 6048 Seaweed Extract 11%

Grow More #ad - Available in 32-ounce bottle. Ascophyllum nodosum seaweed extract is 100 percent natural liquefied organic kelp. Promotes vigorous root system and dark green foliage. May be applied to fruits and vegetables at any time of the growing season without residue. Cold water processed to preserve natural occurring growth hormones.
BrandGrow More #ad
ManufacturerGrow More #ad
Height1 Inches
Length7 Inches
Weight2 Pounds
Width1 Inches
Part Number6048

3. GS Plant Foods


Omri Certified 1 Quart, Kelp Fertilizer for Gardens, Lawns & Soil, Organic Kelp Fertilizer by GS Plant Foods

GS Plant Foods #ad - It increases and stabilizes chlorophyll in plants, which results in greener leaves and increased sugar content in plants. Trusted & reliable: at gs plant foods, sustainable, we understand that you are placing your trust in us to provide you with the highest quality liquid kelp seaweed extract products available.

One of nature’s ‘miracle’ plant foods: made from the finest seaweed plant ascophyllum nodosum, this is one of nature’s miracle plant foods. To extend the shelf life of fruits and vegetables, spray 10 days before harvesting. The liquid fertilizer for seedlings will increase the bloom set and size of flowers and fruit. To lengthen the life of cut flowers, apply every 4 to 7 days. Our products are easy to use, cost efficient, and yield consistent & amazing results in your garden, no matter what you're growing or what medium in which your plants are growing. Gs plant foods liquid organic fertilizer is used extensively on a commercial basis, as well as at home for gardeners as an organic soil conditioner.

Our liquid kelp fertilizer organic will help stimulate natural root growth, mineral uptake and overall plant growth and vigor. This liquid kelp should be sprayed in the morning or late afternoon when the leaves stoma are open. Using gs plant foods liquid kelp fertilizer will lead to healthier crop yields and general plant well being. The seaweed extract can be applied to any type of soil or plant without concern for waste or harmful chemicals.
BrandGS Plant Foods #ad



MARPHYL Organic Liquid Soil Enhancer/Fertilizer with All Natural Marine Phytoplankton, 16.9 Fl. Oz 4 Sizes

MARPHYL #ad - 100% natural, vegan, eco-friendly, organic, Non-GMO product. Recommended use is once every 2 weeks in ratio of 1:20 with fresh water. Naturally boosts plant health by replenishing the soil as plants grow and use the nutrients in the soil. Marphyl’s liquid soil enhancer can be used on plants, greenhouses, garden, vegetables, flowers, lawns, trees, indoor plants and hydroponics. Marine phytoplankton are micro algae that is full of nutrients, vitamins and minerals.
BrandMARPHYL #ad
ManufacturerMARPHYL #ad
Height7.68 Inches
Length2.44 Inches
Weight1.17 Pounds
Width2.44 Inches
Part NumberSKU 3000

5. Maxsea


Maxsea HGC722250 All Purpose Hydroponic Nutrient Fertilizer, 1.5 lb, Brown/A

Maxsea #ad - A regular feeding program will promote vigorous, seaweed green foliage, dark, sturdy plants with distinct, quality blossoms and abundant fruit and vegetables. Maxsea all purpose plant Food is designed for year round use on all plants, indoors and outdoors. The seaweed granules in Maxsea contain over 60 recognized elements all found to be beneficial to plants. Comprised of primary plant foods nitrogen, phosphorus and potassium. A full spectrum of important secondary elements and micronutrients provide sulfur, manganese, copper, boron, iron, molybdenum and zinc.
BrandMaxsea #ad
ManufacturerMaxsea #ad
Height6.6 Inches
Length3.5 Inches
Weight1.5 Pounds
Width3.5 Inches
Part NumberHGC722250

6. Sea magic


Makes 66 Gallons, Sea Magic Dry Soluble Seaweed Extract Fertilizer

Sea magic #ad - Use in your home garden on all flowers, strawberries, lawn, fruit trees and shrubs, tomatoes, vegetables, seedlings and houseplants. Completely Soluble Seaweed Fertilizer. Makes 66 us gallons or 250 Liters. 1 ounce package 30 grams. Works with any current fertilizer program.
BrandSea magic #ad
ManufacturerBonadea Gardens #ad
Height0.13 Inches
Length7 Inches
Width3 Inches
Part NumberSM30PK

7. Miputa


1 Quart, MicroLife Super Seaweed Professional Grade Organic Liquid Concentrate Root Stimulator & Foliar Nutritional Spray for All Plants

Miputa #ad - Completely organic and safe for all life: Excellent root stimulator and new plant starter. Improves all plants and soils: will provide great color to plants and make all plants more resilient to stressors in the environment.

Fast acting: readily absorbed through plant leaves and roots, encourages the growth of positive soil and leaf microorganisms. Professional multi-purpose foliar nutrition spray: Provides over 100 + minerals, vitamins, natural plant stimulators, natural plant hormones, essential sugars/amino acids/carbon and protein. Manufactured for over 30 years: one of the oldest and most accomplished manufacturer of all organic biological fertilizers in the U.

S. All products are made in small batches from top quality ingredients under strict quality control. Favored by organic growers, co-ops, landscape professionals and universities. All ingredients are honestly listed on the packages. Spray all plants as much as you can.
BrandMiputa #ad
Height3.5 Inches
Length3.5 Inches
Width9.5 Inches

8. The Grow Co


Plant Nutrients for Healthy Flower & Reblooms 8 oz, Bloom Booster Fertilizer for Orchids in Pots, Organic Ready to Spray Orchid Food Mist

The Grow Co #ad - For green, growth & blooms - made urea free to gently feed your orchid and protect your plants from root burn while encouraging green leaves, spike growth, and stunning blooms and reblooms!. Wonderfully organic - contains safe, all natural organic ingredients that naturally feeds and promotes strong roots, vibrant flowers, and overall better long term plant health.

Ready mixed plant mister - already pre-mixed liquid fertilizer in a convenient ready to use spray bottle. Light npk ratio is safe to use on all potted indoor and outdoor orchid types. Simply grab and spray! perfect plant care - well-balanced mix of all the nutrients your houseplant needs to encourage long term health and vitality.

Easy to use spray with no need to poke holes or disrupt the soil in your planter. Creates a fine mist perfect for gentle weekly feedings that help your plants thrive. For all orchid varieties - made to use on your phalaenopsis, cymbidium, cattleya, denbrobium, vanda, and other live orchid types grown in and around the house in a pot. Perfect for flowers in pots with bark, perlite, sphagnum moss, pumice, and other organic potting mixes.
BrandThe Grow Co #ad
ManufacturerThe Grow Co #ad

9. Blue Planet Nutrients


Liquid Seaweed for Plants 32 oz Quart | Concentrated Liquid Kelp Supplement from Blue Planet Nutrients | Hydroponic Aeroponic Soil Coco Coir | for All Plants & Gardens

Blue Planet Nutrients #ad - This product allows your plants to more effectively draw nutrients from the soil, an abundance of flowers on flowering plants, leading to bigger and better harvests, and overall healthy happy plants. Liquid seaweed can help mother plants produce more successful clones, stimulate growth, and even help produce more fragrant flowers & sweeter fruits.

Derived from ascophyllum nodosum. Designed for use in all hydroponic systems, all soil-less mediums such as vermiculite, coco-coir, aeroponics, perlite, and in soil. Our kelp fertilizer will make a drastic positive change for any type of plant by providing necessary nutrients and natural growth hormones for sweeter fruits, faster & larger root growth, increased flower production, larger vegetables/fruits, overall health and disease resilience, and a longer shelf life for fruits & veggies harvested from plants fed with this product!.

This all-natural organic supplement works well in any garden and is a great way to boost overall plant vitality.
BrandBlue Planet Nutrients #ad
ManufacturerBlue Planet Nutrients #ad
Height7.5 Inches
Length5.25 Inches
Width2.25 Inches
Part NumberPD-6377

10. Wallace Organic Wonder


Wallace Organic Wonder Soluble Seaweed Powder Organic Fertilizer 10.7 Ounces

Wallace Organic Wonder #ad - 107 ounces of powder that will make approximately 65 gallons. Wow soluble seaweed is a great choice for those who do not want to use synthetic rooting compounds or for those who want to feed their plants more than 70 minerals, vitamins, and enzymes.

Wow seaweed is extracted from Norwegian seaweed Ascophyllum nodosum and has a guaranteed analysis of 1-0-17. Feeds soil microbes. Contain more than 70 minerals, vitamins, and enzymes. Known to accelerate growth, increase flowering and fruiting. 1 - teaspoon per gallon of water. The extract has been dried and made into a fine powder that is soluble in water.
BrandWallace Organic Wonder #ad
ManufacturerWallace Organic Wonder #ad