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32 products

Showing 1 - 32 of 32 products

Showing 1 - 32 of 32 products
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Dr Greenthumbs Soil Amendments Alfalfa Meal (Triacontanol + Balanced NPK)
From $7.99 $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 $8.99 $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 $13.99 $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 $11.99 $14.00
Black Basalt Rock Dust (High Calcium & Magnesium) NEW!Dr Greenthumbs
12 reviews
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Dr Greenthumbs Soil Amendments Coconut Meal (High Potassium)
From $6.99 $8.00
Coconut Meal (High Potassium)Dr Greenthumbs
3 reviews
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Dr Greenthumbs Soil Amendments Crustacean & Calcium blend (Chitin & Nitrogen)
From $14.99 $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)
$22.00 $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 $10.99 $12.00
Diatomaceous Earth - micronised Certified Organic (Pure Silica)Dr Greenthumbs
21 reviews
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Dr Greenthumbs Dolomite Lime (Calcium & Magnesium)
From $6.99 $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 $8.99 $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 $18.99 $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 $18.99 $20.00
Fish Meal (High Nitrogen)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Soil Amendments Glacial Rock Dust (High Iron)
From $7.99 $10.00
Glacial Rock Dust (High Iron)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Soil Amendments Guano Certified Organic (Seabird)
From $6.99 $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 $6.99 $8.00
Gypsum soil conditioner (Clay Breaker)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments 1kg K-Mag - Sulfate of Potash Magnesia + Calcium (0-0-8.3 + Mg + Ca + Fe)
$18.00 $20.00
K-Mag - Sulfate of Potash Magnesia + Calcium (0-0-8.3 + Mg + Ca + Fe)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soil Amendments Kelp / Seaweed Meal (Over 80+ Minerals & Trace Elements)
From $8.99 $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)
$14.99 $18.00
Kieserite Magnesium Sulphate (14% Magnesium)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soil Amendments 1kg Leonardite (70% Humic Acid)
$16.99 $18.00
Leonardite (70% Humic Acid)Dr Greenthumbs
12 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments 1kg Magnesium Sulphate (Epsom Salts)
$10.00 $12.00
Magnesium Sulphate (Epsom Salts)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soil Amendments Malted Barley (Growth Hormones & IAA)
From $6.99 $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 $10.99 $12.00
Mineralised Phosphate Powder (Fruit Bat Guano)Dr Greenthumbs
9 reviews
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Dr Greenthumbs Soil Amendments Neem Meal Certified Organic (IPM & Balanced NPK)
From $6.99 $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 $6.99 $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)
$12.99 $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 $8.99 $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)
$14.99 $18.00
Potash 0-0-41 (Potassium)Dr Greenthumbs
2 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments 1kg SEA-90 Soil Minerals (Contains over 90 minerals!)
$15.00 $18.00
SEA-90 Soil Minerals (Contains over 90 minerals!)Dr Greenthumbs
No reviews
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Dr Greenthumbs Soft Rock Phosphate (Unprocessed Phosphate Source)
From $6.99 $8.00
Soft Rock Phosphate (Unprocessed Phosphate Source)Dr Greenthumbs
3 reviews
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Dr Greenthumbs Soil Amendments Soybean Meal (High N - Great For Leafy Greens!)
From $6.99 $8.00
Soybean Meal (High N - Great For Leafy Greens!)Dr Greenthumbs
No reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments Volcanic Rock Dust (Trace Elements)
From $8.99 $10.00
Volcanic Rock Dust (Trace Elements)Dr Greenthumbs
13 reviews
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Dr Greenthumbs Organic Gardening > Dry Amendments Water Soluble Guano (Suitable for Irrigation & Foliar)Dr Greenthumbs Water Soluble Guano (Suitable for Irrigation & Foliar)
$16.00 $18.00
Water Soluble Guano (Suitable for Irrigation & Foliar)Dr Greenthumbs
1 review

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
Dr Greenthumbs Gift Cards Dr Greenthumbs Gift Card
From $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)
$39.00
TurboDirt Singlet / Muscle Tee (Smelly Clothing)Dr Greenthumbs
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Dr Greenthumbs Gardening Accessories > Clothing & Merchandise Dr Greenthumbs OG Singlet / Muscle Tee (Smelly Clothing)
$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
$42.00
Dr Greenthumbs Legionnaires CapDr Greenthumbs
No reviews