10 Best Garden Fertilizers Trees-shrubs
#1 Best Pick
Yates Hortex Garden Gold Fertiliser, 700 g - Quick & Slow Release with Wetting Agent - Promotes Growth, Flowering, and Fruiting
Brand: Yates
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- QUICK & SLOW RELEASE FORMULA - Combines immediate nutrient delivery with long-lasting effects, providing balanced growth and sustained plant health.
- GRANULAR WETTING AGENT - Contains MoisturAid, a wetting agent that ensures the fertiliser and water reach deep into the root zone for optimal absorption.
- COMPREHENSIVE PLANT FOOD - Suitable for most plant types, including flowering shrubs, fruit trees, vegetables, orchids, and indoor plants. Not recommended for Australian native plants.
- PROMOTES VIGOROUS GROWTH - Encourages even new growth, enhances flowering, and boosts fruiting for healthier, more productive plants.
- WORKS IN ALL CONDITIONS - Effective for up to 3 months, even in temperatures as low as 4°C, and suitable for all soil types and potting mixes.
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#2 Best Value
Charlie Carp Certified Organic Fertiliser, 5L - Concentrated Formula Makes up to 1500L All-Purpose Liquid Fertiliser - Garden and Fruit Tree Fertiliser
Brand: Charlie Carp
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- Certified Organic Plant Food: NASAA certified organic, Charlie Carp Premium Organic Concentrate is a natural fish fertiliser with added seaweed extract, formulated to support root growth, improve nutrient uptake and promote overall soil and plant health.
- Economical 5L Concentrate: This 5 litre liquid fertiliser concentrate makes up to 1500 litres when diluted correctly, providing an economical plant food solution suitable for lawns, vegetable gardens and a wide range of outdoor plants.
- Suitable for Indoor and Outdoor Use: Designed for all gardens, lawns and veggies, this organic fertiliser can be used as indoor plant fertiliser for houseplants or as outdoor plant food for shrubs, citrus trees and vegetable beds.
- Added Seaweed for Soil Health: Enriched with seaweed extract, this garden fertiliser acts as a plant and soil tonic, helping improve soil structure, support nutrient uptake and maintain balanced growing conditions throughout the season.
- 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 garden solution for plant nutrition.
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#3 Budget Pick
Miracle-GRO Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
Brand: Miracle-Gro
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- Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants
- Feed every 1-2 weeks
- Use with the Miracle-Gro Garden Feeder or any watering can
- For all flowers, vegetables, trees, shrubs and houseplants
- Safe for all plants, guaranteed not to burn when used as directed
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#4 Top Choice
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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#5 Popular Choice
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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#6 Top Pick
Yates 500g Acticote + Instant Booster Controlled Release Fertiliser for Fruit, Citrus, Trees, Shrubs
Brand: Yates
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- Contains advanced prill coating technology that ensures fertiliser is released evenly and gradually over time.
- Ideal for use on all outdoor trees and shrubs, including azaleas, camellias and rhododendrons, fruit and citrus trees, orchids and vegetables.
- This formulation is rich in nitrogen, phosphorus and potassium to encourage healthy leaf growth, strong root development and increased fruiting and flowering.
- Helps to correct magnesium deficiencies in fruit and citrus plants
- Includes trace elements for added plant health and vitality, providing you with a long-term balanced feeding solution.
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#7 Top Pick
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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#8 Top Pick
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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#9 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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#10 Top Pick
Ferticote Fruit Citrus Shrub Fertiliser, 500 g
Brand: Amgrow
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- Controlled release fertiliser for optimum growth of fruit, citrus trees and shrubs
- Rich in nitrogen, magnesium and iron
- Promotes healthy and strong root growth
- Additional organic fertiliser for healthy plant growth
- Added trace elements will keep leaves green all year
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