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50 products

Showing 1 - 36 of 50 products

Showing 1 - 36 of 50 products
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Dr Greenthumbs Soil Amendments Alfalfa Meal (Triacontanol + Balanced NPK)
From $6.30 $9.00
Alfalfa Meal (Triacontanol + Balanced NPK)Dr Greenthumbs
27 reviews
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Dr Greenthumbs Soil Amendments Azomite rock dust (A to Z of Minerals & Trace Elements!)Dr Greenthumbs Soil Amendments Azomite rock dust (A to Z of Minerals & Trace Elements!)
From $7.00 $10.00
Azomite rock dust (A to Z of Minerals & Trace Elements!)Dr Greenthumbs
19 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments Biochar (Nutrient Retention & Microbe Home)
From $10.50 $15.00
Biochar (Nutrient Retention & Microbe Home)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Soil Amendments Black Basalt Rock Dust (High Calcium & Magnesium) NEW!Dr Greenthumbs Soil Amendments Black Basalt Rock Dust (High Calcium & Magnesium) NEW!
From $9.80 $14.00
Black Basalt Rock Dust (High Calcium & Magnesium) NEW!Dr Greenthumbs
12 reviews
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From $9.80 $14.00
Black Scoria 5-10mm (Cactus/Succulent/Bonsai)Dr Greenthumbs
No reviews
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Dr Greenthumbs Grow Mediums Cactus & Succulent Soil Builder (DIY Mineral Kit)
$18.20 $26.00
Cactus & Succulent Soil Builder (DIY Mineral Kit)Dr Greenthumbs
12 reviews
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Dr Greenthumbs Soil Amendments Coconut Meal (High Potassium)
From $5.60 $8.00
Coconut Meal (High Potassium)Dr Greenthumbs
3 reviews
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Dr Greenthumbs Soil Amendments Crustacean & Calcium blend (Chitin & Nitrogen)
From $12.60 $18.00
Crustacean & Calcium blend (Chitin & Nitrogen)Dr Greenthumbs
11 reviews
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DeNat Organic Gardening > Dry Amendments DeNat - Dust-a-Way (Diatomaceous Earth Shaker 220g)DeNat Organic Gardening > Dry Amendments DeNat - Dust-a-Way (Diatomaceous Earth Shaker 220g)
$19.20 $24.00
DeNat - Dust-a-Way (Diatomaceous Earth Shaker 220g)DeNat
No reviews
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Dr Greenthumbs Soil Amendments Diatomaceous Earth - micronised Certified Organic (Pure Silica)
From $8.40 $12.00
Diatomaceous Earth - micronised Certified Organic (Pure Silica)Dr Greenthumbs
19 reviews
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Dr Greenthumbs Organic Gardening > Potting Soil & Growing Media > All Soil & Growing Media Diatomite 3-8mm (Diatomaceous Earth Granules)
From $9.80 $14.00
Diatomite 3-8mm (Diatomaceous Earth Granules)Dr Greenthumbs
5 reviews
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Dr Greenthumbs Dolomite Lime (Calcium & Magnesium)
From $5.60 $8.00
Dolomite Lime (Calcium & Magnesium)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments Elemental Sulphur (Reduce Soil pH - 800mg/kg)
From $7.00 $10.00
Elemental Sulphur (Reduce Soil pH - 800g/kg)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soil Amendments 1kg Fish & Bone Meal (High Calcium & Phoshorus)
From $14.00 $20.00
Fish & Bone Meal (High Calcium & Phoshorus)Dr Greenthumbs
4 reviews
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Dr Greenthumbs Soil Amendments 1kg Fish Meal (High Nitrogen)
From $14.00 $20.00
Fish Meal (High Nitrogen)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Soil Amendments Glacial Rock Dust (High Iron)
From $7.00 $10.00
Glacial Rock Dust (High Iron)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Grow Mediums Gritmix No1 All Purpose (Cactus Minerals)
From $9.80 $14.00
Gritmix No1 All Purpose (Cactus Minerals)Dr Greenthumbs
8 reviews
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Dr Greenthumbs Soil Amendments Guano Certified Organic (Seabird)
From $5.60 $8.00
Guano Certified Organic (Seabird)Dr Greenthumbs
6 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments Gypsum soil conditioner (Clay Breaker)
From $5.60 $8.00
Gypsum soil conditioner (Clay Breaker)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Soil Amendments Kelp / Seaweed Meal (Over 80+ Minerals & Trace Elements)
From $7.00 $10.00
Kelp / Seaweed Meal (Over 80+ Minerals & Trace Elements)Dr Greenthumbs
31 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments 1kg Kieserite Magnesium Sulphate (14% Magnesium)
$12.60 $18.00
Kieserite Magnesium Sulphate (14% Magnesium)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soil Amendments 1kg Leonardite (70% Humic Acid)
$12.60 $18.00
Leonardite (70% Humic Acid)Dr Greenthumbs
12 reviews
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Dr Greenthumbs Grow Mediums Limestone Chips (Graded & Cleaned)
From $7.00 $10.00
Limestone Chips (Graded & Cleaned)Dr Greenthumbs
9 reviews
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Dr Greenthumbs Grow Mediums MAB Grow LECA SIZE 10-15mm (Soil Replacement)
From $8.40 $12.00
MAB Grow 10-15mm (LECA Replacement)Dr Greenthumbs
3 reviews
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Dr Greenthumbs Grow Mediums MAB Grow 2-20mm (Soil Replacement)Dr Greenthumbs Grow Mediums MAB Grow 2-20mm (Soil Replacement)
From $8.40 $12.00
MAB Grow 2-20mm (Best For Self Watering Pots)Dr Greenthumbs
20 reviews
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Dr Greenthumbs Grow Mediums MAB Grow 2-6mm (Soil Replacement)
From $8.40 $12.00
MAB Grow 2-6mm (Soil Replacement)Dr Greenthumbs
22 reviews
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Dr Greenthumbs Grow Mediums MAB Grow LIGHT 2-6mm (Soil Replacement)
From $8.40 $12.00
MAB Grow LIGHT 2-6mm (40% Lighter!)Dr Greenthumbs
12 reviews
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$8.40 $12.00
Magnesium Sulphate (Epsom Salts)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soil Amendments Malted Barley (Growth Hormones & IAA)
From $5.60 $8.00
Malted Barley (Growth Hormones & IAA)Dr Greenthumbs
11 reviews
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Dr Greenthumbs Soil Amendments Mineralised Phosphate Powder (Fruit Bat Guano)
From $8.40 $12.00
Mineralised Phosphate Powder (Fruit Bat Guano)Dr Greenthumbs
9 reviews
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Dr Greenthumbs Natural Soil Conditioner DE-OZZY Essential 10kg
$44.00 $55.00
Natural Soil Conditioner DE-OZZY Essential 10kgDE Ozzy
1 review
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Dr Greenthumbs Soil Amendments Neem Meal Certified Organic (IPM & Balanced NPK)
From $5.60 $8.00
Neem Meal Certified Organic (IPM & Balanced NPK)Dr Greenthumbs
18 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments Neem Meal GRANULES Certified Organic (IPM & Balanced NPK)Dr Greenthumbs Organic Gardening > Dry Amendments Neem Meal GRANULES Certified Organic (IPM & Balanced NPK)
From $5.60 $8.00
Neem Meal GRANULES Certified Organic (IPM & Balanced NPK)Dr Greenthumbs
6 reviews
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Dr Greenthumbs Soil Amendments 1kg Onyx (High Amino + Potassium Content)
$9.80 $14.00
Onyx (High Amino + Potassium Content)Dr Greenthumbs
1 review
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Dr Greenthumbs Soil Amendments Palagonite Basalt Rock Dust (Unique Analysis)
From $8.40 $12.00
Palagonite Basalt Rock Dust (Unique Analysis)Dr Greenthumbs
5 reviews
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Dr Greenthumbs Soil Amendments 1kg Potash 0-0-41 (Potassium)
$12.60 $18.00
Potash 0-0-41 (Potassium)Dr Greenthumbs
2 reviews

Growing With Dr Greenthumbs? Why not wear us too!

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Dr Greenthumbs TurboDirt T-Shirt
$39.00
TurboDirt T-Shirt (Smelly Clothing)TurboDirt
3 reviews
Root Roids Gardening Accessories > Clothing & Merchandise Root Roids Singlet / Muscle Tee (Smelly Clothing)
$39.00
Root Roids Singlet / Muscle Tee (Smelly Clothing)Root Roids
2 reviews
Dr Greenthumbs Dr Greenthumbs OG T-Shirt
$39.99
Dr Greenthumbs OG T-Shirt (Smelly Clothing)TurboDirt
4 reviews
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Dr Greenthumbs Root Roids Bucket Hat
$25.00 $30.00
Root Roids Bucket Hat (Smelly Clothing)Root Roids
No reviews
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Dr Greenthumbs Dr Gt Wool Blend Cap
$36.99 $40.00
Dr Greenthumbs Wool Blend CapMerchandise
2 reviews
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Dr Greenthumbs Gift Cards Dr Greenthumbs Gift Card
From $8.00 $10.00
Dr Greenthumbs Gift CardGift Card
2 reviews
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Root Roids Gardening Accessories > Clothing & Merchandise TurboDirt Singlet / Muscle Tee (Smelly Clothing)
$27.30 $39.00
TurboDirt Singlet / Muscle Tee (Smelly Clothing)Dr Greenthumbs
No reviews
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Dr Greenthumbs Gardening Accessories > Clothing & Merchandise Dr Greenthumbs OG Singlet / Muscle Tee (Smelly Clothing)
$27.99 $39.99
Dr Greenthumbs OG Singlet / Muscle Tee (Smelly Clothing)Dr Greenthumbs
1 review
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Dr Greenthumbs Gardening Accessories > Clothing & Merchandise Dr Greenthumbs Legionnaires Cap
$29.40 $42.00
Dr Greenthumbs Legionnaires CapDr Greenthumbs
No reviews