10 Best organic fertilizer in Canada

Advertising Disclosure

Last Updated - 2025/09/17

Best Choice

01
Gaia Green

GAIA GREEN All Purpose ORGANIC FERTILIZER 4-4-4 10kg

22% Off

9.7 Simple to use

9.1 worth the money
Main highlights

Our unique mix is alive with beneficial soil microbes and mycorrhizal fungi that dramatically expand root development enabling plants to feed more aggressively
10 KILOGRAM BAGS, NOT 20. NPK: 4-4-4
Show more
9.9

Exceptional

Show more
Curious about how we select the top products for you? Explore How It Works

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

02
Gaia Green

Gaia Green Organic 4-4-4 All Purpose Fertilizer 2kg

41% Off Free Shipping

9.3 Simple to use

8.7 worth the money

8.0 Aroma
Main highlights

Rich in nitrogen available
High quality materials
High demand
Environmentally friendly, low impact, slowly available last nutrients for the whole season. High flow of organic matter from soil and plants to build a strong root system and improve microbial activity. A blend of organic and natural ingredients from a variety of sources ensures balanced nutrition for your plants.
Beneficial bacteria and enzymes
Show more
9.7

Exceptional

Show more
03
Miracle-Gro

Miracle-Gro Organics Plant Food Granules 4-3-7, 1.8 kg

Free Shipping
Main highlights

NO MIXING: Shake evenly over soil; no need to pre-mix with water.
FEEL-GOOD GARDENING: Made with a mix of only four organic and natural ingredients.
FEEDS EDIBLE PLANTS: For in-ground and container plants, including tomatoes, vegetables, herbs, and fruit.
BIGGER HARVESTS: Contains vital nutrients for an abundant harvest and stronger plants
Show more
9.6

Exceptional

Show more
04
PRO-MIX

PRO-MIX Organic Multi-Purpose Garden Fertilizer 7-3-3, 1.5 kg (3.3 lb), Resealable Bag - Engrais A Jardin Tout Usage Biologique

Free Shipping
Main highlights

VERSATILE USAGE: Suitable for indoor and outdoor gardening of vegetables, herbs, annuals, perennials, flower beds, trees, and shrubs.
MYCOACTIVE TECH: Infused with mycoactive technology to stimulate robust growth, stress resistance, and nutrient uptake.
MULTIPURPOSE FORMULA: PRO-MIX Organic Multi-Purpose Garden Fertilizer 7-3-3 boosts soil nutrition for healthier plants. VERSATILE USAGE: Suitable for indoor and outdoor gardening of vegetables, herbs, annuals, perennials, flower beds, trees, and shrubs.
HIGH NITROGEN: Promotes vigorous foliar growth for lush plants and improved overall vitality.
+50% YIELD BOOST: This formula enhances yields, producing 50% more vegetables, fruits, and blooms.
Show more
9.3

Excellent

Show more
05
MARPHYL

MARPHYL Organic Liquid Fertilizer – Indoor & Outdoor House Plant Fertilizer - All-Purpose Nutrient-Rich Plant Food - Soil Enhancer for Garden, Flowers, Vegetables, Succulents, Bamboo, Hydroponics

Free Shipping

9.7 Simple to use

9.1 worth the money

8.7 Fashion
Main highlights

Superior Liquid Plant Food - MARPHYL Marine Phytoplankton is ideal as an outdoor and indoor plant fertilizer. It works great as vegetable fertilizer, houseplant fertilizer, and garden fertilizer. It’s an organic solution for your garden, greenhouse, and hydroponics. Enjoy gorgeous, colorful blooms with this exceptional flower food. Enhance soil quality and watch your trees, shrubs, vines, grass, plants, flowers, and vegetables thrive
Organic & Sustainable - Our Liquid Marine Phytoplankton Soil Enhancer is an organic, all-purpose plant food that is harvested 100% naturally. It's vegan, non-toxic, non-GMO & sustainably made with no preservatives making it safe for vegetable gardening, groundwater, and pets. This indoor plant food replenishes your soil on a regular basis to ensure the continued growth and beauty of your vegetation. Our organic plant fertilizer will meet your every need and provide a safe environment for all.
Naturally Boost Plant Health - Marine Phytoplankton are Microalgae full of nutrients, vitamins, and minerals. It's so much more than your average liquid plant fertilizer. MARPHYL's fertilizer for indoor and outdoor plants, lawns, trees, flowers etc. provides an astounding array of nutritional elements.Our soil fertilizer is packed with vitamins, minerals, essential fatty acids, DHA, EPA, amino acids, chlorophyll, and a vast spectrum of phytochemicals, to make your garden and greenhouses flourish
Miraculous & Beneficial - Found in oceans across the world, marine phytoplankton are microalgae that infuse your plants, trees, grasses, and more with everything they need for health and longevity. Our plant food is high in potassium, nitrogen, and phosphorus as well as calcium and magnesium for lush foliage. Your lawn & garden will be the envy of the neighborhood, and your indoor plants will brighten your home.
Easy to Use Water Soluble Fertilizer - Simply mix a 1:20 ratio of our liquid plant fertilizer with water. Once in the water, stir, and then pour onto the plants. Soil feed is perfect for use in small and large sprayers. Recommended use is every two weeks. You'll see the difference after just one application
Show more
9.1

Excellent

Show more
06
Miracle-Gro

Miracle-Gro Organics Bone Meal 4-10-0, 1.36 kg

20% Off Free Shipping

9.7 Simple to use

9.3 worth the money
Main highlights

VERSATILE USE: Ideal for roses, flowers bulbs, and vegetables in both in-ground and container gardens
NUTRIENT-RICH: Contains phosphorus & calcium to promote strong root development and resistance to disease
NOTHING BUT QUALITY: Contains 100% bone meal, free from synthetics, and feeds plants for up to 2 months
ECOCERT APPROVED: An organic source of phosphorus and calcium that is great for amending soils to help promote vigorous flower and root growth
EASY-TO-USE: Just mix into the soil around the base of your plants & water!
Show more
9.0

Excellent

Show more
07
PRO-MIX

PRO-MIX® Organic Tomatoes, Vegetables and Fruits 4-4-8

Free Shipping

8.9 worth the money

8.9 Simple to use
Main highlights

VERSATILE USE: PRO-MIX Organic Garden Fertilizer 4-4-8 boosts growth in tomatoes, vegetables, and fruits. Suitable for indoor/outdoor gardening of vegetables, herbs, and more.
OMRI LISTED: Approved for organic gardening, ensuring eco-friendly and safe use.
MYCOACTIVE TECH: Infused with mycoactive technology to boost root growth and nutrient absorption.
HIGH POTASH FORMULA: Promotes abundant fruits by providing essential nutrients.
FOR TOMATOES & MORE: PRO-MIX Organic Garden Fertilizer 4-4-8 boosts growth in tomatoes, vegetables, and fruits.
+50% YIELD BOOST: This formula enhances yields, producing 50% more vegetables and fruits.
Show more
8.9

Very Good

Show more
08
Rubicon inc

Tomato, Vegetables & Herbs, Organic Plant Food, 454g, 1lb, 4-3-2 + 7% Calcium, Granular Pellet, No Dust, Made in Canada

Free Shipping
Main highlights

CANADIAN MADE : Professionally manufactured in Canada using high-quality organic materials for consistent results
TRANSPLANTING: Mix 3-5 tablespoons into soil during planting for optimal nutrient distribution and root development
ORGANIC FORMULA: All-natural plant food with 4-3-2 NPK ratio plus 7% calcium for tomatoes, vegetables, and herbs
MAINTENANCE: Apply 1-2 tablespoons to soil surface every 3-4 weeks throughout the growing season
GRANULAR DESIGN: Dust-free pelletized fertilizer for clean and easy application, packaged in a convenient 454g resealable bag
Show more
8.7

Very Good

Show more
09
Miracle-Gro

Miracle-Gro Organics Pure Hen Manure Plant Food 3-1-2, 5kg

15% Off Free Shipping
Main highlights

WORKS BETTER TOGETHER: For even more spectacular results, pair with a Miracle-Gro Organics soils
NATURAL AND QUALITY: Contains no additives, fillers or synthetics, and gradually releases nutrients, providing long lasting feeding
ECOCERT APPROVED: Contains natural and organic ingredients specially designed for vegetable gardens, flower beds, trees & shrubs.
EASY-TO-USE: Just sprinkle on the soil around the base of your plants & water!
CALCIUM-RICH: Contains calcium that aids in cellular wall growth and helps your plants resist disease
Show more
8.5

Good

Show more
10
Miracle-Gro

Miracle-Gro Organics Plant Food Granules 4-3-7, 453 g

Free Shipping
Main highlights

NO MIXING: Shake evenly over soil; no need to pre-mix with water.
FEEL-GOOD GARDENING: Made with a mix of only four organic and natural ingredients.
FEEDS EDIBLE PLANTS: For in-ground and container plants, including tomatoes, vegetables, herbs, and fruit.
BIGGER HARVESTS: Contains vital nutrients for an abundant harvest and stronger plants
Show more
8.4

Good

Show more