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Updated: 08 Oct 2025

10 Best Fertilizer For Tomatoes

#1
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Global Organics Organic Tomato Paste Glass G/F 100 g

Brand: Global Organics
$3.07
⭐ 4.4
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    Global Organics Tomato Paste is a rich paste of organically grown tomatoes, great for cooking and an abundant source of antioxidants
  • Global Organics Tomato paste is sourced from Italy and comes in a 200g jar
  • Global Organics Tomato Paste is GMO free, 99% fat free, with no added salt, sugar, artificial colours, flavours or preservatives
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#2
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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
$36.85
⭐ 4.8
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    Improve Plant Growth - Charlie Carp organic fish fertiliser contains added seaweed extract for soil and plant health. Suitable for all gardens, lawns and veggies - this is also an excellent fruit tree fertiliser.
  • 2.5 Litre makes up to 750 litres - This super-concentrated formula will produce 750 litres of fertiliser when watered-down correctly. Simply connect to your garden hose for instant plant feed!
  • Indoor or Outdoor - Use this liquid fertiliser for garden plants, including citrus, tomatoes and banana trees. Can also be used with house plants and other potted shrubs and outdoor plants.
  • Improved Soil Structure - Give your plants the nutrition they need and be rewarded with more fruit, and benefit from improved soil structure. The seaweed extract acts as a soil tonic, improving the quality of your soil.
  • Play Your Part - This liquid fertiliser is made from European Carp which is the most invasive and destructive fresh water fish in the world, destroying river systems and displacing native fish. Turn something negative into a positive by using this garden fertiliser.
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#3
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Hydroponic Nutrients, Vegetable Growing Nutrients, Organic Plant Food, A & B Liquid Hydroponics Fertilizer for Hydroponics Growing System and Potted Houseplants, Plant Fertilizer

Brand: Generic
$13.99
⭐ 4.8
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    Nutrient Boost: Maximize your plant growth potential with our nutrient-rich solution packed with vital nutrients and minerals. Providing all the necessary elements for optimal hydroponic cultivation, let your garden and flourish like never before.
  • Nutrient Absorption: Designed for hydroponics, our solution ensures plants absorb nutrients directly and effectively, enhancing utilization for robust growth.
  • Increased Growth: Our Hydroponic Nutrients contain high-quality ingredients that enable plants to absorb nutrients better, resulting in stronger and faster growth. This promotes enhanced plant performance and fosters healthy development, ideally leading to bountiful harvests.
  • Widely Used: Improve your hydroponic garden with our nutrient-rich formula, designed to promote vigorous growth and produce bountiful harvests. Ideal for a variety of gardening and landscaping needs, including garden plants, bonsai, and trees.
  • Handy to Use: Achieve optimal growth with our easy-to-use nutrient solution. Simply mix with water in the correct ratio and save time while your plants flourish.
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#4
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Tomato Booster - Grow The JUICIEST Tomatoes Ever!

Brand: Generic
$24.90
⭐ 4.1
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    Slow Release Add liquid fertilizer to the water when filling the outer water ring. The solution will seep out of tiny holes resulting in slow deep watering & fertilisation right where its needed around the roots.
  • Protects from worms, slugs, snails and more The 14cm high collar stops them cold. It also keeps the plants branches off the ground.
  • Heat Boosts Growth Dark green plastic absorbs heat, aiding growth and earlier harvest. The elevated base protects from weeds and more.
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#5
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Jobe’s Fertilizer 06000, Spikes, for All Tomato Plants, 18 Spikes

Brand: Jobe's Organics
$26.98
⭐ 4.1
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    Pre-measured fertilizer spikes nourishes at the roots; Time release fertilizer spikes for tomatoes
  • Easy to use fertilizer spikes; No wasteful runoff, no mess, hazards or smells
  • Continuous supply of nutrients below the surface, where the active roots are growing
  • Jobes spikes feeds for continuous nourishment for robust tomato plants
  • Guaranteed fertilizer analysis: (6-18-6) 18 fertilizer spikes in blister packaging
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#6
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Searles 5 in 1 Organic Fertiliser Pellets 2.5 kg

Brand: Searles
$10.98
⭐ 4.7
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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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#7
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Tomatoes - 1 LTR Concentrate

Brand: Fair Dinkum Fertilizers
$16.24
⭐ 5
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    Seaweed based
  • Specially formulated for Tomatoes
  • Added potassium & trace elements
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#8
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Searles Flourish Vegie and Tomato Soluble Plant Food, 500 g

Brand: Searles
$12.00
⭐ 4.1
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    Boosts blooms and fruit for healthy growth with rapid response
  • Premium quality soluble plant food
  • Nutrients absorbed by plants faster
  • Suitable for all tomatoes and vegetables grown in pots and garden beds
  • Helps maintain plant health
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#9
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Levington Tomorite 500ml

Brand: Levington
$11.88
⭐ 4.7
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    Easy to apply simply mix with water in a watering can according to
  • For tomatoes and flowering pot plants
  • With seaweed extract for maximum growth and better crops
  • Produces high quality, full-flavoured tomatoes
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#10
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Scotts Osmocote Tomato, Vegetable and Herb Plant Food Slow Release Feriliser 700g - 6 Months Feed with Trace Elements - Safe for New Plants - No Surge Growth

Brand: Osmocote
$11.20
⭐ 4.7
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    THE RELEASE OF NUTRIENTS depends on temperature - more when it's warm and plants are growing and less when it's cold and growth is slow
  • SCOTTS OSMOCOTE uses advanced prill technology that ensures even and controlled nutrient release with no wastage
  • CONTROLED RELEASE means feeding less often and more effectively; less frequent feeding is more economical and environment-friendly
  • WETTING AGENT enhances water absorption into the soil or potting mix and helps plants take up nutrients
  • BOOSTED LEVELS of iron & magnesium and other trace elements keep leaves greener for longer and promote healthy growth
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