10 Best vegetable plant fertilisers in Canada

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Last Updated - 2025/05/12

Best Choice

01
Miracle Lab

Miracle Green Fast-Acting Liquid Plant Food - Special Formula with Tree Sap & Yucca Plant Extract - All-Purpose Fertilizer for Houseplants, Flowers, Fruits, Vegetables & Trees (8 oz)

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Main highlights

VITAMIN ENRICHED – Miracle Green liquid plant food Contains vitamins B1, B2, B6, B12, Folic Acid and Yucca Extract to help plants cope with stress, such as transplant shock or root damage.
UNIQUE FORMULA – What makes Miracle Green a unique plant fertilizer is that it contains Yucca Plant Extract & Tree Sap. Provides many organic nutrients, minerals and organic acids that are 100 % available to plants.
FAST-ACTING NUTRIENTS – Miracle Green is an effective liquid plant fertilizer with its science-backed ingredients. EDTA chelated microelements it contains are not affected by any adverse conditions.
EASY TO USE – Miracle Green all-purpose plant food works instantly to provide your plants with the nutrients they need, whether you're feeding houseplants, vegetable gardens, or trees. Just add 2 spoons per gallon of water. Use Miracle Green liquid fertilizer once a week.
ALL-PURPOSE PLANT FOOD – Miracle Green is a premium plant fertilizer packed with essential microelements like Iron, Zinc, Manganese, Copper, Boron, and Molybdenum to support the healthy growth of indoor and outdoor plants. Perfect for soil, foliar, and hydroponic use.
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9.8

Exceptional

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Value for Money

02
Haligo

Hydroponics Nutrients (800ml in Total), Plant Food A & B Hydroponics Supplies, Indoor Plant Fertilizer for Hydroponics Growing System, Growing System Accessories for Vegetables Fruits Flowers Thrive

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Main highlights

【Versatile Application】This A&B Plant Food is suitable for both indoor and outdoor plants, making it a versatile choice for all your gardening needs. Whether you have houseplants, container plants, or plants in your garden, this plant food can nourish them effectively
【Stronger and Faster】Our A&B indoor plant food made from premium ingredients that are 100% water soluble and pH-balanced, allowing plants to better absorb nutrients, which making plants grow stronger and faster
【Easy to Use】Just need to mix each nutrient with 100ml water in the correct proportions. And when adding fertilizer, we are equipped with a dispensing cup for convenient metering. Add 5ml A and 5ml B with each 1L water into your hydroponics system
【Compatible with All Hydroponic Grow Systems】Our hydroponic nutrients are compatible with a wide range of all indoor hydroponic grow systems, ensuring that you can use it seamlessly with your existing setup for optimal plant nutrition
【8 Pack A & B Hydroponic Plant Food】Our hydroponics supplies plant food is equipped with 2 bottles and extra 6 pack of A&B nutrients, which provide you with endless supplies and the essential elements necessary for healthy indoor or potted plants growth
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9.7

Exceptional

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03
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

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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
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9.5

Excellent

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04
Cybele Labs

HydraGreens Indoor Plant Food & Vegetable Garden Liquid Fertilizer - NPK 3-1-2 Enriched with Sea Kelp to Stimulate Root & Plant Growth - All Purpose Plant Fertilizer use in Soil & Hydroponics - 8 oz

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Main highlights

Versatile Plant Food for All Houseplants - This indoor plant fertilizer has an NPK of 3-1-2 making it a perfect tropical plant food. Feed Monstera, Pothos, Money Tree, Fiddle Leaf Fig Trees & more.
Hydroponic Nutrients - Hydragreens indoor garden fertilizer will boost vegetative growth in all hydroponic and aeroponic systems. Also works in LECA & Soilless mixes as a house plant fertilizer.
Have a Bountiful Harvest - HydraGreens doubles as a Tomato fertilizer & Vegetable Fertilizer, effectively grow lettuce, herbs and seedlings and reduce deficiencies to grow more and in less time.
Enriched with Sea Kelp - The seaweed in HydraGreens contains micronutrients & natural plant growth hormones that stimulate plant cell division, reduces environmental stress and aids in transplanting.
Easy to Use - Feeding this plant food for houseplants & vegetables is simple, Add 1 capful or 5ml per 32oz of water. Water indoor gardens and outdoor gardens without changing plant nutrients.
Artisanal Liquid Plant Food - Our premium plant products are manufactured using quality ingredients sourced from Canada, the USA and EU. We do everything in small batches to maximize quality control.
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9.4

Excellent

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05
Miracle-Gro

Miracle-Gro Water Soluble All Purpose Plant Food - 1.5kg

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9.7 Simple to use

9.5 worth the money

8.9 Aroma
Main highlights

Safe for all plants and is guaranteed not to burn when used as directed
Mixes easily with water
Great on flowers, veggies, trees, and shrubs – roses and houseplants, too
Feeds instantly for big, beautiful Miracle-Gro results
1.5 kg feeds approximately 1,320 ft2 of garden area
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9.3

Excellent

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06
Miracle-Gro

Miracle-Gro Water Soluble Plant Food 20-20-20 Green

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9.9 Simple to use

9.5 worth the money

8.9 Aroma
Main highlights

SPECIALLY FORMULATED: With our strong, balanced NPK, you can expect faster green-up, great foliage growth and stronger roots.
QUICK RESULTS: Feeds instantly to provide quick, beautiful results
FEEDS EVERYTHING: Feeds all flowers, vegetables, trees, shrubs, houseplants and roses; both inground and in containers.
EASY-TO-USE: Simply mix with water and pour around the base of the plant every 7-14 days
DOUBLE-ACTION FEEDING: Feeds through both the roots and the leaves.
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9.1

Excellent

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07
Miracle-Gro

Miracle-Gro Water Soluble Tomato, Fruit & Vegetable Plant Food - 500g

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9.7 Simple to use

9.7 Aroma

8.9 worth the money
Main highlights

Starts to work instantly for a quick, bountiful harvest
No-mess concentrate automatically mixes plant food with water at the correct level
Grows More Bountiful Vegetables
For all fruit and vegetable plants, including carrot, cucumber, pepper, tomato, and strawberry
500 g (1.1 lb) feeds approximately 41 m2 (440 ft2 ) of garden area
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9.0

Excellent

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08
Miracle-Gro

Miracle-Gro Liquid All Purpose Plant Food - 950ml

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Main highlights

Use in the garden and on indoor houseplants
Get big, beautiful Miracle-Gro results
Feeds all types of plants – instantly
Concentrated formula mixes easily with water
950 mL (32 oz) feeds 60 m2 (645 ft2)
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8.7

Very Good

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09
Osmocote

Osmocote Smart Release Fruit & Veg Plant Food 453 g

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Main highlights

Use anywhere–in ground and in containers
High-nutrient plant food promotes strong roots and vigorous above-ground growth
Feeds continuously for up to 4 months
Favoured for seasonal vegetables and perennials
453 g (1 lb) bottle covers up to 3.7 m2 (40 ft2)
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8.5

Good

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10
Miracle-Gro

Miracle-Gro Shake N Feed Tomato, Fruits & Vegetables Plant Food 10-5-15 453g

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Main highlights

GRO TOGETHER - To boost your results, follow up with a feeding of Miracle Gro Water Soluble Plant food every 7-14 days
GRO LONGER - Our slow-release plant food feeds for up to 3 months, meaning you can spend more time enjoying your greenery
GRO HEALTHIER - Organic ingredients like kelp and bone meal, naturally broken down into nutrients plants can use to develop strong roots
GRO EASILY - Simply shake around your tomatoes, fruits and veggies in ground or in containers.
GRO BOUNTIFUL - Our calcium-rich mix, nourishes plants above and below the soil for better quality, longer lasting fruits and veggies, compared to unfed plants
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8.3

Good

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