Looking for the best fertiliser for citrus plants in Australia? Scotts Osmocote Plus Organics combines natural ingredients with smart science to boost flowering, fruiting, and root strength - season after season. Whether you're growing citrus in a pot or managing a full orchard, this fertiliser works both above and below the ground to create a balanced, sustainable growing environment.
What's Inside Scotts Osmocote Plus Organics
Scotts Osmocote Plus Organics isn't just a fertiliser - it's a complete soil improver. It blends traditional organic ingredients with modern plant science to feed your trees while improving the soil they grow in.
This makes it a strong organic-based option if you're looking for something beyond a standard slow-release fertiliser for your citrus and fruit trees.
- Blood and bone and composted manure boost growth and improve soil texture and moisture retention
- Fish extract provides a natural source of nitrogen, potassium and trace elements
- Seaweed acts as a natural soil and plant conditioner, improving resistance to stress and helping plants recover faster
- Gypsum breaks down clay soils, strengthens plant structure and boosts disease resistance
- Boosted magnesium and trace elements keep leaves green and fruit full and flavourful
Who Should Use This Fruit & Citrus Fertiliser
This fertiliser is ideal for home gardeners who want stronger, healthier fruit trees without relying on harsh synthetic chemicals. It's especially suited for:
- Citrus growers, lemon, lime, mandarin and orange
- Fruit tree gardeners , apple, pear, plum, peach, nectarine and apricot
- Gardeners dealing with heavy clay soils
- Anyone who prefers organic-based plant nutrition
Key Benefits of Scotts Osmocote Fruit & Citrus Fertiliser
- Boosts flowering and fruiting across a wide range of fruit trees
- Strengthens root development for long-term plant health
- Safe, organic-based formula suitable for all fruit trees
How to Use Scotts Osmocote Plus Organics
Apply 100g per square metre around the base of the tree and work into the top 10cm of soil, repeating every 6-8 weeks through the growing season. Store in a cool, dry place, out of reach of children and pets.
For a full seasonal application schedule (exact spring and autumn timing for citrus and fruit trees in Australia), see our complete guide on when to use Osmocote
Pros & Cons of Scotts Osmocote Fruit Fertiliser
Pros
- Combines fertiliser and soil improver in one product
- Natural ingredients suitable for organic-style gardening
- Works on a wide variety of fruit trees
- Improves both soil health and plant performance over time
Cons
- Powder form requires working into soil manually
- Not suitable for lawns or non-edible crops
- 800g pack may not last long for larger gardens or multiple trees
FAQ
What is the best fertilizer for citrus trees in Australia?
Organic options combining natural nutrients with soil-improving ingredients, like blood, bone, and seaweed extract, work well for Australian citrus trees, supporting healthy fruiting and root growth.
What is the best fertilizer for citrus plants?
A balanced feed containing organic matter, trace elements, and natural biostimulants gives citrus plants steady nutrition for flowering, fruiting, and overall plant health.
When not to fertilize citrus?
Avoid fertilizing citrus during dormant winter months or extreme heat, as trees absorb nutrients less efficiently and it may stress the plant.
Is this fertiliser different from regular Osmocote?
Yes - this is the Plus Organics formula, which combines standard slow-release nutrition with organic ingredients like seaweed, fish extract, and blood and bone for extra soil health benefits.
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