Grow Supplies

Grow Supplies

Everything you need to grow organically and build living soil.
From single-ingredient amendments and organic fertilizer blends to microbial inoculants, compost tea ingredients, seeds, supplies, and tools—you’ll find all the essentials to support healthy, regenerative growing.

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Photo of Seed Starting MIx
Photo of a seed tray that is filled with Seed Starting Mix and seedlings.
Seed Starting Mix
from $12.00
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A photo of Living Soil Mix in a hand
40L bag of Optimize Organics Living Soil Mix—microbe-rich, nutrient-dense blend for thriving roots and lush, vibrant plants indoors and out.
Living Organic Soil – Pre-Fertilized
from $34.00
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Tropical Houseplant Mix Close-up Photo
Photo of Tropical Houseplant Mix in a hnad.
Tropical Houseplant Mix
from $12.00
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Tropical Chunky Houseplant Mix
Tropical Chunky Houseplant Mix
from $12.00
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Cactus & Succulent Mix
Cactus & Succulent Mix
from $12.00
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Orchid Mix
Orchid Mix
from $13.00
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Optimize Organics' Bonsai Soil Base Blend – well-draining mix for strong roots, aeration, and moisture balance. Ideal for bonsai tree health.
A photo of a hand full of Optimize Organics Bonsai Blend.
Bonsai Base Blend
from $9.00
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Peat Moss Pellets
Peat Moss Pellets
from $5.00
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Hand full of Living Organic Cannabis Soil.
40L Bag of Optimize Organics Living Soil Mix for cannabis — nutrient-dense, microbe-rich soil supporting strong roots and terpene-rich growth.
Living Organic Soil – Pre-Fertilized (Cannabis)
from $34.00
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1KG Bag of Optimize Organics' 4-4-4 general purpose cannabis fertilizer. It enriches soil with balanced nutrients, promoting strong, healthy plant growth.
Optimize Organics' 4-4-4 all-purpose cannabis fertilizer enriches soil with balanced nutrients, promoting strong, healthy plant growth.
4-4-4 General Purpose - Organic Cannabis Fertilizer
from $17.00
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1KG Pouch of Optimize Organics' 5-3-5 veg grow fertilizer. It fuels strong vegetative growth with balanced nutrients for lush, healthy plants.
Optimize Organics' 5-3-5 veg grow fertilizer fuels strong vegetative growth with balanced nutrients for lush, healthy plants.
5-3-5 Veg Grow - Organic Cannabis Fertilizer
from $18.00
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1KG Bag of Optimize Organics' 2-7-4 flower bloom fertilizer. It boosts phosphorus and potassium, enhancing vibrant blooms and healthy plant growth.
Optimize Organics' 2-7-4 flower bloom fertilizer boosts phosphorus and potassium, enhancing vibrant blooms and healthy plant growth.
2-7-4 Flower Bloom Organic Cannabis Fertilizer
from $18.00
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1KG Pouch of Optimize Organics' 6-1-2 High N Reload fertilizer delivers a nitrogen boost, supporting vigorous vegetative growth and healthy foliage.
Optimize Organics' 6-1-2 High N Reload fertilizer delivers a nitrogen boost, supporting vigorous vegetative growth and healthy foliage.
6-1-2 High N Reload - Organic Cannabis Fertilizer
from $17.00
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Microbe Multiplier - Microbial Food for Compost Tea
Microbe Multiplier - Microbial Food for Compost Tea
from $19.00
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1L Bottle of Optimize Organics' 3-1-2 Grow—organic liquid fertilizer that supports lush canopy, strong roots & fast growth.
Back Label of Grow 3-1-2 liquid fertilizer.
3-1-2 Grow Fertilizer
from $15.00
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1L Bottle of Optimize Organics' 1-3-3 Bloom liquid fertilizer. It enhances flower development with essential nutrients for vibrant, healthy blooms.
Back Label for Bloom 1-3-3 organic fertilizer
1-3-3 Bloom Fertilizer
from $15.00
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1L Bottle of Optimize Organics' Triacontanol - enhances photosynthesis, nutrient uptake, and plant vigor for increased yields.
Triacontanol Back Label
Triacontanol - Plant Growth Regulator
from $39.00
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1L Bottle of Optimize Organics' Chitosan - strengthens plant immunity, enhances growth, boosts stress resistance, and improves overall crop health.
Chitosan back label on bottle.
Chitosan – Plant Growth Enhancer
from $39.00
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1L Bottle of Optimize Organics Activated Beneficial Microbes (EM1): improve soil health, boost nutrient availability, and enhance plant resilience.
Back label of Activated Beneficial Microbes (EM1) - Optimize Organics
Activated Beneficial Microbes (ABM)
from $12.00
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1L Bottle of Optimize Organics' 2-2-0 Wild Fish Hydrolysate Liquid: cold-processed fertilizer rich in amino acids, enhancing soil microbes and plant growth.
Back Label of Fish Hydrolysate bottle
2-2-0 Wild Fish Hydrolysate
from $12.00
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1L Bottle of Optimize Organics' North Atlantic Kelp Extract - supports root development, boosts plant immunity, and enhances flowering and fruiting naturally.
North Atlantic Kelp back label.
Atlantic Kelp Extract
from $19.00
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Yucca Extract
Yucca Extract
from $21.00
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1L Bottle of Optimize Organics Fulvic Acid Liquid Concentrate – enhances nutrient uptake, root growth, and plant vigor.
Fulvic Acid back label.
Fulvic Acid
from $19.00
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1L Bottle of Optimize Organics’ Liquid Humic Acid for nutrient uptake, healthy roots, soil biology, and microbial support in all plants.
Humic Acid liquid back label.
Humic Acid
from $12.00
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1L Bottle of Optimize Organics' Monosilicic Acid - boosts nutrient uptake, strengthens cell walls, and enhances plant resilience for healthier growth.
Monosilicic Acid
Monosilicic Acid
from $19.00
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Blackstrap Molasses - Organic
Blackstrap Molasses - Organic
from $13.00
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1L Bottle of Optimize Organics Water-Soluble Calcium (WCA) - Organic, chloride-free supplement enhancing plant cell walls, nutrient uptake, and fruit development.
Back Label for Water Soluble Calcium.
Water Soluble Calcium 4% (WCA)
from $16.00
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Cal-Mag Blend 4%Ca 0.5%Mg 0.03%B
Cal-Mag Blend 4%Ca 0.5%Mg 0.03%B
from $17.00
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1L Bottle of Optimize Organics Horticultural Enzyme Blend: breaks down organic matter, boosts nutrient availability, and supports healthy plant growth.
4L Bottle of Optimize Organics Horticultural Enzyme Blend: breaks down organic matter, boosts nutrient availability, and supports healthy plant growth.
Horticultural Enzymes
from $25.00
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Houseplant & Tropical
Houseplant & Tropical
from $13.00
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1L Bottle of Optimize Organics' 2-2-2 liquid fertilizer—supports balanced growth, root health & resilience in all plants and soil types.
Back Label of 2-2-2 All Purpose Liquid organic fertilizer.
2-2-2 All Purpose
from $19.00
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Liquid Boron 3%
from $39.00
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29% Hydrogen Peroxide (H202)
29% Hydrogen Peroxide (H202)
from $19.00
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Arbuscular Mycorrhizal Fungi
Arbuscular Mycorrhizal Fungi
$51.99 from $42.00
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Up-Close photo of Optimize Organics 4-4-4 fertilizer mix.
General Purpose 4-4-4 Organic Fertilizer
from $17.00
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Flower Bloom 2-7-4 Organic Fertilizer
Flower Bloom 2-7-4 Organic Fertilizer
from $18.00
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Protozoan Infusion Blend 2-0-2
$129.00
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Fungal Food Mix
Fungal Food Mix
from $27.00
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2KG Bag of Optimize Organics' CAL-MAG / PH UP TOOPDRESS: 8:1 Ratio, 32% calcium, 4% magnesium. Adjusts pH, boosts root growth & enhances plant health for lawns, gardens & potting media.
Cal-Mag (8:1) pH Up Topdress Powder
from $13.00
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Optimize Organics' Alfalfa Meal: slow-release, nutrient-rich amendment with proteins, amino acids, triacontanol, and protozoa to boost plant health.
2kg Bag of Optimize Organics' Alfalfa Meal: slow-release, nutrient-rich amendment with proteins, amino acids, triacontanol, and protozoa to boost plant health.
Alfalfa Meal 3-0-2
from $13.00
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Optimize Organics' Aloe Vera Powder 200:1: rich in growth hormones, vitamins & minerals to boost immunity, growth & stress tolerance in plants.
28g/1oz package of Optimize Organics' Aloe Vera Powder 200:1: rich in growth hormones, vitamins & minerals to boost immunity, growth & stress tolerance in plants.
Aloe Vera Powder - Organic Freeze Dried 200:1
from $29.00
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Optimize Organics' Kelp Meal 1-0-2: organic Ascophyllum nodosum seaweed, rich in minerals, cytokinins & auxins to boost growth, soil health & stress resistance.
2KG package of Optimize Organics' Kelp Meal 1-0-2: organic Ascophyllum nodosum seaweed, rich in minerals, cytokinins & auxins to boost growth, soil health & stress resistance.
Kelp Meal
from $19.00
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Optimize Organics' Kelp Blend Trio: organic, water-soluble seaweed powder with growth hormones, minerals & vitamins for soil, foliar, and hydroponics.
1KG Bag of Optimize Organics' Kelp Blend Trio: organic, water-soluble seaweed powder with growth hormones, minerals & vitamins for soil, foliar, and hydroponics.
Kelp Blend Trio (Soluble Powder)
from $21.00
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Fermented Plant Extract - Granules (High Nitrogen)
Fermented Plant Extract - Granules (High Nitrogen)
from $15.00
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Optimize Organics fish bone meal 6-16-0 organic fertilizer and soil amendment for farms, gardens and plants
2KG package of wild fish bone meal organic fertilizer from Optimize Organics Farm & Garden Supply Optimize Organics, soil amendment for gardens and plants
Fish Bone Meal 6-16-0
from $13.00
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Optimize Organics fish bone meal granules, organic, natural, slow-release fertilizer and soil amendment for farms, gardens and plants, rich in phosphorus and calcium.
2KG package of organic fish bone meal granules from Optimize Organics Farm & Garden Supply, soil amendment for gardens and plants rich in phosphorus and calcium.
Fish Bone Granules
from $13.00
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Optimize Organics Black soldier fly frass, Contains quick and slow-release nitrogen, Provides beneficial microbes that aid in plant growth, excellent fertilizer for lawns, gardens, fruits and vegetables. Optimize Organics farm and garden supply.
750g package of Black soldier fly frass, Contains quick and slow-release nitrogen, Provides beneficial microbes that aid in plant growth, excellent fertilizer for lawns, gardens, fruits and vegetables. Optimize Organics farm and garden supply.
Black Soldier Fly Frass 3-1-2
from $13.00
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Optimize Organics Mineralized Phosphate Powder 0-9-0, organic fertilizer derived from fruit-eating bat guano, rich in phosphorus and calcium for garden and crop use
Mineralized Phosphate 0-9-0
Mineralized Phosphate 0-9-0
from $14.00