10 Best Garden Fertilizers Natural
#1 Best Pick
Searles 5 in 1 Organic Fertiliser Pellets, 2.5kg
Brand: Searles
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- Premium high nutrient organic fertiliser
- Promotes strong healthy plant growth, brilliant blooms and rich, healthy fruit and vegetables
- Unique blend of premium grade natural ingredients for superior results
- Adds long life humus build up to the soil, encouraging healthy microbial and earthworm activity
- BFA Registered 100% organic and natural
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#2 Best Value
Charlie Carp Certified Organic Fertiliser, 2.5L - Concentrated Formula Makes up to 750L All-Purpose Liquid Fertiliser - Garden and Fruit Tree Fertiliser
Brand: Charlie Carp
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- Certified Organic Plant Fertiliser: NASAA certified organic, Charlie Carp Premium Organic Concentrate is a natural fish fertiliser enriched with added seaweed extract, formulated to stimulate root growth, improve nutrient uptake and support overall soil and plant health.
- Economical 2.5L Concentrate: This 2.5 litre liquid organic fertiliser makes up to 750 litres when diluted as directed, providing a practical and economical plant food solution for lawns, vegetable gardens and a range of indoor and outdoor plants.
- Suitable for Indoor and Outdoor Use: Designed for all gardens, lawns and veggies, this organic liquid fertiliser can be used as indoor plant fertiliser for houseplants or as outdoor fertiliser for fruit trees, tomatoes and general garden beds.
- Seaweed Enhanced Soil Support: With added seaweed extract acting as a plant and soil tonic, this organic garden fertiliser helps improve soil structure, support nutrient uptake and reduce plant stress across lawns, pots and garden areas.
- Turning a Pest into a Positive: Made from European Carp, an invasive freshwater species known for damaging river systems, this organic fertiliser converts a pest resource into a practical and environmentally responsible garden solution.
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#3 Budget Pick
Grow N Save 5 kg Granular - 100% Neem Cake Organic Fertiliser | Garden Fertiliser and Soil Conditioner | Natural Indoor Plant Fertiliser | Slow Release Fertiliser
Brand: plantneeds
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- A Naturally Organic Product
- Pure Neem Power: Utilises pure Neem Cake for plant health and soil vitality - ideal for organic gardens.
- Comprehensive Plant Care: More than fertiliser; it shields plants, enriches soil, nurtures microflora - a true plant companion.
- Soil Guardian: Maintains soil moisture, enhances biology - an effective soil conditioner.
- Naturally Rich Nutrients: Packed with plant nutrients, perfect for indoor and outdoor plants, lawns, and gardens.
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#4 Top Choice
Scotts Evergreen Garden Care Rose Gardenia and Azalea Controlled Release Fertiliser, 700g
Brand: Scotts
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- Controlled release fertiliser that contains all the nutrients needed for healthy plant growth
- Nutrients are released according to temperature - more when it's warm and plants are growing well, less when it's cold
- Addition of a professional grade wetting agent enhances water absorption into the soil and helps plants take up more nutrients
- Best applied in very early spring and again in late summer
- Suitable for roses, gardenias, azaleas, magnolias, camellias, rhododendrons, pieris and other plants needing an acidic soil
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#5 Popular Choice
Charlie Carp All Purpose Fertiliser 1L - Outdoor and Indoor Plant Food for Veggies, Orchids, Roses and Citrus Trees - Flower Food and House Plant Fertiliser - Makes 300L
Brand: Charlie Carp
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- All Purpose Fertiliser - This ready-to-use fertiliser is suitable for all plants and flowers, including veggies and fruit trees The perfect balance of nutrients for plants that promotes healthy growth, ensuring vibrant colour and healthy roots
- Ready to Use - The 1L bottle is easy and ready to use Simply add 3-10ml to every 1L of water - the ideal water-soluble all purpose fertiliser Adjust the ratio according to instructions - houseplants require less than fruit trees
- Vitamin Boost for Plants - Charlie Carp's formula is rich in protein, Omega 3 oils and all the nutrients and trace elements that every garden needs to look healthy and beautiful This all purpose plant food will give your garden the boost it needs!
- Helping the Environment - Charlie Carp Fertiliser is an effective solution to a serious, introduced environmental problem Made from European Carp, an introduced species that is destroying natural habitats of native fish
- Proudly Australian Made - Charlie Carp is proudly Australian Owned and Made Located in Deniliquin New South Wales, the Charlie Carp factory has been clearing Australian water ways from the invasive species, European Carp since the 90's
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#6 Top Pick
Scotts Osmocote Pots, Planters and Indoor Controlled Slow Release Fertiliser 700g
Brand: Scotts
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- Controlled release fertiliser that contains all the nutrients needed for healthy plant growth
- Nutrients are released according to temperature - more when it's warm and plants are growing well, less when it's cold
- Addition of a professional grade wetting agent enhances water absorption into the soil and helps plants take up more nutrients
- Best applied in very early spring and again in autumn
- Suitable for flowering pot plants, leafy pot plants, palms, orchids, ferns, hanging baskets and window boxes
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#7 Top Pick
Scotts Osmocote Plus Organics Fruit & Citrus Fertiliser and Soil Improver 800g - Contains Natural Biostimulants - With Seaweed - Stronger Root Developtment
Brand: Scotts
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- Formulated to boost flowering and fruiting of all citrus trees including lemon, lime, mandarin and orange
- Specially formulated to boost flowering and fruiting of all fruit trees including apple, pear, plum, peach, nectarine and apricot
- Contains boosted magnesium and trace elements to prevent deficiencies and encourage healthy crops
- Package Dimensions: 39.9 L X 15.6 H X 26.9 W (centimeters)
- A HIGH LEVEL of magnesium and trace elements keep leaves green and fruit full and tasty
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#8 Top Pick
Grow N Save 2.5 kg Granular - 100% Neem Cake Organic Fertiliser | Garden Fertiliser and Soil Conditioner | Natural Indoor Plant Slow Release Fertiliser
Brand: plantneeds
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- A naturally organic product.
- Pure Neem Power: Utilizes pure Neem Cake for plant health and soil vitality - ideal for organic gardens.
- Comprehensive Plant Care: More than fertilizer; it shields plants, enriches soil, nurtures microflora - a true plant companion.
- Soil Guardian: Maintains soil moisture, enhances biology - an effective soil conditioner.
- Naturally Rich Nutrients: Packed with plant nutrients, perfect for indoor and outdoor plants, lawns, and gardens.
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#9 Top Pick
Charlie Carp Natural Pellet Fertiliser - Plant Fertiliser with 3 Months Slow Release Formula - Odourless All Purpose Garden Fertiliser and Plant Food for Indoor Plants and Gardens - 5kg
Brand: Charlie Carp
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- Slow Release Pellets: Charlie Carp All Purpose Fertiliser Pellets gradually feed plants over up to three months after the initial boost, helping provide consistent plant nutrients for gardens, lawns and indoor potted plants without frequent reapplication.
- Supports Soil Health and Moisture Retention: Suitable as indoor plant fertiliser or outdoor garden fertiliser, these pellets help improve soil structure, encourage earthworm activity and support moisture retention for balanced plant growth.
- Rich in Macro and Micro Nutrients: Made from whole European Carp and high in protein, these fertiliser pellets deliver macro and micro nutrients directly to the soil, while natural fish oils help deter common garden pests.
- Made from European Carp: Produced using an invasive freshwater species that impacts river systems, this plant fertiliser turns a pest resource into a practical garden solution while supporting responsible raw material use.
- No Odour Easy Application: Formulated as no odour pellets, this 5kg garden fertiliser is suitable for straightforward storage and use, simply scatter where needed to support lawns, shrubs and houseplants throughout the year.
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#10 Top Pick
Scotts Osmocote Plus Organics All Purpose Fertiliser & Soil Improver, 800g
Brand: Osmocote
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- Feature a low phosphorus and high iron
- Suitable for all phosphorus-sensitive plants
- Fish extract is a natural source of nitrogen, potassium and trace elements
- Composted manure boost growth and plant health and improvesoil texture and moisture holding
- Seaweed is a natural soil and plant conditioner
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