Optimize Organics

Optimize Organics

Our complete selection of fertilizers, amendments and soils is approved for use in organics. 

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Optimize Organics Aeration Blend is a premium mix of pumice stone, perlite, lava rock, and leca balls that is used for enhancing soil aeration and drainage in organic living soils.
Close-up of Aeration Blend components showing the texture and variety of materials that promote optimal root airflow and water retention.
Aeration Blend
from $14.00
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Close-up of Sul-Po-Mag langbeinite crystals – naturally mined potassium, magnesium and sulfur mineral fertilizer
1kg bag of Sul-Po-Mag langbeinite crystals – chloride-free potassium, magnesium and sulfur fertilizer, approved for organic use
Sul-Po-Mag (Langbeinite) Crystals
from $15.00
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Close-up of zinc sulfate powder, fine white crystalline texture used as a micronutrient fertilizer for correcting zinc deficiency in plants
Water-soluble zinc sulfate 35.5% (Zn) in a 2kg size. Ideal for garden and crop use as a consistent micronutrient fertilizer.
Zinc Sulfate 35.5% (Zn)
from $14.00
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Optimize Organics' Potassium Sulfate Solution Grade: 52% potash, 18% sulfate. Water-soluble, low-salinity fertilizer for high-potassium crops.
2KG Bag of Optimize Organics' Potassium Sulfate Solution Grade: 52% potash, 18% sulfate. Water-soluble, low-salinity fertilizer for high-potassium crops.
Potassium Sulfate Solution Grade
from $15.00
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Close-up of Azomite micronized powder – fine volcanic mineral dust packed with trace elements for soil and plant vitality.
1kg Azomite Micronized – fine mineral powder packed with 70+ trace elements to support soil health and plant nutrition
Azomite - Rock Dust
from $11.00
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1kg Mineralized Phosphate 0-9-0 by Optimize Organics – natural powdered phosphorus and calcium for garden use.
Close-up of Optimize Organics Mineralized Phosphate 0-9-0 – finely ground mineral powder for phosphorus and calcium nutrition.
Mineralized Phosphate 0-9-0
from $14.00
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Optimize Organics' Red Lava Rock – lightweight, porous volcanic rock for aeration, drainage, and moisture retention.
Red lava rock held in a hand to show the size.
Red Lava Rock (9-15mm)
from $11.00
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Optimize Organics' Manganese Sulfate 32%: fast-acting micronutrient to correct deficiencies, enhance photosynthesis & improve stress tolerance.
2KG Bag of Optimize Organics' Manganese Sulfate 32%: fast-acting micronutrient to correct deficiencies, enhance photosynthesis & improve stress tolerance.
Manganese Sulfate 32% (Mn)
from $17.00
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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 $16.00
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Optimize Organics' Sulfur Granules 90%: elemental sulfur to lower soil pH, correct alkaline soils & support sulfur-oxidizing bacteria. Organic-certified.
2KG Bag of Optimize Organics' Sulfur Granules 90%: elemental sulfur to lower soil pH, correct alkaline soils & support sulfur-oxidizing bacteria. Organic-certified.
Sulfur Granules 90% (S)
from $12.00
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Close-Up of Volcanic Basalt Rock Dust – Fine, mineral-rich basalt powder for soil building and healthy plant growth
1kg Volcanic Basalt Rock Dust – Fine rock dust to boost soil health, root growth, and trace mineral availability
Volcanic Rock Dust (Basalt)
from $13.00
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Close-Up of Sphagnum Peat Moss – Fine, absorbent organic peat moss for soil mixes and consistent moisture levels
4L Sphagnum Peat Moss – Organic moisture-retentive base for seed starting, soil mixes, and potted plants
Sphagnum Peat Moss (Canadian)
from $10.00
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1kg Fish Bone Meal – Organic slow-release fertilizer for flowers, fruits, and root development
2kg Fish Bone Meal – High-phosphorus meal for boosting root growth, blooms, and calcium levels
Fish Bone Meal 6-16-0
from $15.00
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Optimize Organics' Elemental Boron 20.5%: water-soluble boron to correct deficiencies, boost flower & fruit development, and support plant health.
1KG Bag of Optimize Organics' Elemental Boron 20.5%: water-soluble boron to correct deficiencies, boost flower & fruit development, and support plant health.
Elemental Boron
from $12.00
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Optimize Organics' Ferrous Sulfate: 20% iron, 12% sulfur. Corrects iron chlorosis, boosts chlorophyll & reduces soil alkalinity for gardens & crops.
2KG Bag of Optimize Organics' Ferrous Sulfate: 20% iron, 12% sulfur. Corrects iron chlorosis, boosts chlorophyll & reduces soil alkalinity for gardens & crops.
Iron - Ferrous Sulfate 20%
from $12.00
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Optimize Organics LECA Pebbles are 10-20mm expanded clay balls for improved aeration, drainage, and root health in hydroponic and soil-based plant systems.
8L bag of Optimize Organics LECA Pebbles are 10-20mm expanded clay balls for improved aeration, drainage, and root health in hydroponic and soil-based plant systems.
Leca Pebbles (10–20mm)
from $13.00
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Copper Sulfate 25% (FEED GRADE)
Copper Sulfate 25% (FEED GRADE)
from $19.00
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Close-Up of Glacial Rock Dust – Fine, flour-like texture of mineral-rich powder for soil and compost amendment
1kg Glacial Rock Dust – Fine mineral powder to boost soil health, plant nutrition, and microbial activity
Glacial Rock Dust
from $8.00
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Living Soil Pots - Grassroots
Living Soil Pots - Grassroots
from $8.00
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A package of Optimize Organics Fungal Food mix, with a background image of fungal networks and product information including the net weight of 2 kg.
Fungal Food Mix
Fungal Food Mix
from $31.00
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Close-Up of Vermiculite – Puff-textured, expanded mineral flakes for holding moisture and supporting delicate roots
4L Vermiculite – Lightweight, sterile mineral for moisture retention and soil aeration in seed starting and propagation
Vermiculite
from $12.00
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Optimize Organics' Magnesium Sulfate: 9.8% magnesium, 13% sulfur. Supports chlorophyll production, nutrient absorption & flower and fruit development.
2KG Bag of Optimize Organics' Magnesium Sulfate: 9.8% magnesium, 13% sulfur. Supports chlorophyll production, nutrient absorption & flower and fruit development.
Magnesium Sulfate (Epsom Salts)
from $11.00
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5:1 Cal-Mag Powder 1kg – Fast-Acting Calcium Magnesium Amendment for Living Soil, Raised Beds & Containers.
5:1 Cal-Mag Powder 2kg – Fine Ground Calcium Magnesium Soil Amendment for Raised Beds & Pots
5:1 Cal-Mag (Powder)
from $14.00
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1kg Kelp Blend Trio from Optimize Organics – organic seaweed mix to boost growth, bloom, and stress resilience in all crops.
Close-up of Optimize Organics Kelp Blend Trio – dry, water-soluble seaweed powder packed with nutrients and plant biostimulants.
Kelp Blend Trio (Soluble)
from $22.00
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Orchid Mix
Orchid Mix
from $15.00
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Close-up of 2–9mm calcined clay—clean, porous structure for root oxygen and moisture regulation in potted plants.
4L Calcined Clay 2–9mm—porous montmorillonite for aeration, drainage, and moisture control in houseplant soil mixes.
Calcined Clay (2–9mm) Montmorillonite
from $19.00
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Barley Seed- Sprout For Enzyme Drench
Barley Seed- Sprout For Enzyme Drench
from $15.00
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Optimize Organics' Gypsum Granules: 22% calcium, 14% sulfur. Enhances soil structure, water retention & nutrient availability for healthier crops.
1kg Gypsum Granules 22% Calcium soil amendment for improving soil structure, drainage, water retention, and calcium availability in gardens and raised beds.
Gypsum Granules
from $10.00
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40L Bag of Optimize Organics Seed Starting Mix - Promotes strong germination, healthy roots, and vigorous seedlings in trays, pots, or flats.
Photo of Seed Starting MIx
Seed Starting Mix
from $14.00
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40L bag of Optimize Organics Living Soil Mix—microbe-rich, nutrient-dense blend for thriving roots and lush, vibrant plants indoors and out.
A photo of Living Soil Mix in a hand
Living Organic Soil (LSO) Pre-Fertilized
from $34.70
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Macro view of citric acid anhydrous crystals, fine white powder for pH adjustment in hydroponics
Non-GMO citric acid 1kg bag, plant-derived pH down for hydroponics and organic gardening
Citric Acid (Non-GMO)
from $25.00
Currently Unavailable
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Purple Barley Seed - Sprout For Enzyme Drench
Purple Barley Seed - Sprout For Enzyme Drench
$16.00
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Corn Seed - Sprout For Enzyme Drench
Corn Seed - Sprout For Enzyme Drench
from $19.00
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Optimize Organics' Rock Phosphate Granular 0-7-0: slow-release phosphorus for root growth, flowering & fruiting. Easy application & organic-certified.
2KG Bag of Optimize Organics' Rock Phosphate Granular 0-7-0: slow-release phosphorus for root growth, flowering & fruiting. Easy application & organic-certified.
Rock Phosphate Granular 0-7-0
from $11.00
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Close-Up of Micronized Greensand Powder – Fine glauconite powder packed with potassium, iron, and trace minerals.
1kg Micronized Greensand – Fine mineral powder to improve soil structure and provide slow-release nutrients.
Micronized Greensand
from $16.00
Currently Unavailable
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Malted Barley Seed - Pre-Sprouted & Kiln Dried
Malted Barley Seed - Pre-Sprouted & Kiln Dried
$11.00
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1.5kg Optimize Organics Frass – organic fertilizer with slow and quick-release nitrogen for flowers, vegetables, and soil life.
Close-up of Optimize Organics Black Soldier Fly Frass – natural insect-based fertilizer with nitrogen, chitin, and beneficial microbes.
Black Soldier Fly Frass 3-2-2 (Fine Grade)
from $13.00
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Close-Up of Dolomite Lime Granules – Uniform granules made from finely ground limestone for easy soil application
1kg Granulated Dolomite Lime – Raises soil pH and adds calcium and magnesium for garden, lawn, and soil health
Dolomite Lime (Granules)
from $10.00
Currently Unavailable
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Optimize Organics' Geolite Pebbles: lightweight, porous clay aggregates for aeration, drainage, hydroponics, aquaponics, and healthy root growth.
A close up of balls in hand showing the size and texture of these geolite balls.
Geolite Pebbles
from $12.00
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2KG Bag of Optimize Organics' Potassium Bicarbonate (Food Grade): pH UP solution that regulates soil acidity, boosts nutrient absorption & enhances plant growth.
Potassium Bicarbonate (Food Grade)
from $12.00
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Optimize Organics' Potassium Sulfate 0-0-52: 52% potassium, 18% sulfur. Enhances fruit & vegetable growth with low salinity. Organic-certified.
2KG Bag of Optimize Organics' Potassium Sulfate 0-0-52: 52% potassium, 18% sulfur. Enhances fruit & vegetable growth with low salinity. Organic-certified.
Potassium Sulfate 0-0-52
from $14.00
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ORCHID MIX (CHUNKY)
ORCHID MIX (CHUNKY)
from $15.00
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Peat Moss Pellets (LARGE)
Peat Moss Pellets (LARGE)
from $6.00
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2 kg clear bag of Fish Bone Granules organic fertilizer made from wild fish bones.
Close-up texture of dark, irregular Fish Bone Granules organic fertilizer.
Fish Bone Granules
from $15.00
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Alfalfa Seed - Sprout For Enzyme Drench
Alfalfa Seed - Sprout For Enzyme Drench
$18.00
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Optimize Organics' Limestone Granules: 34% calcium, 88% calcium carbonate. Raises soil pH, boosts nutrient efficiency & improves soil health.
2KG Bag of Optimize Organics' Limestone Granules: 34% calcium, 88% calcium carbonate. Raises soil pH, boosts nutrient efficiency & improves soil health.
Limestone (Granules)
from $10.00
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Compost Tea Equipment Kit - (5 Gal /18.9L)
from $149.00
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Regenerative Centrifugal Ring Blower
Regenerative Centrifugal Ring Blower
from $1,289.00