Scotts Osmocote® Boost+Feed Citrus & Fruit + Trees & Shrubs

Easy to use unique formula that is carefully balanced to provide plants with essential nutrients for optimum growth and plant health.  Its double action works through the roots and leaves to boost citrus, fruit trees and other trees and shrubs, including Australian natives.

  • Ideal for all citrus and fruiting trees and shrubs, even those growing in pots and planters
  • Easy to apply with Easy Sprayer - no drips, no hassles - or mix the concentrate with water
  • Contains carefully balanced trace elements and bio stimulants for larger, healthier plants that resist diseases and insect attacks
  • Perfect for when plants look tired or stressed or when an added boost is needed to keep trees healthy while flowering and fruiting


Liquid advantage

Provides an instant boost of nutrients through rapid root and leaf absorption for healthy growth and bigger fruit

Feeds soils and plants

Includes a blend of bio stimulants resulting in lots of earthworms and soil microbes that build healthy soils and productive, vigorous plants

Use any time

Can be applied anytime of the year when plants are actively growing

Hose-on or Concentrate


The 1L Easy Spray bottle is perfect for small gardens, quick fertilising tasks and covers up to 180 m2


The 1L Concentrate is the better option for large or difficult to reach areas where a watering can or pump sprayer may be easier to use. It makes up to 450L

Handy Tip

To determine the size of your garden, multiply the length x width in metres. 1 long stride = approx. 1 metre

Leaf and root uptake

It goes to work immediately and is effective whether applied to the soil or leaves

Boosted iron & magnesium

These elements keep citrus leaves deep green and promote lush growth of other trees and shrubs

Suitable for

All trees, shrubs, climbers and vines including Australian natives - it has low phosphorus

All citrus and fruiting trees and shrubs, including vines and berries

Potted fruiting and ornamental trees and shrubs

Safe to use on new plants in the garden and outdoor pots.

Not suitable for

Do not use on lawns - use only specifically named fertilisers on grassed areas

Do not apply to young seedlings.

How it works

  • It's boosted with bio stimulants that activate soil micro-organisms, condition the soil and enhance nutrient uptake

How to use

Easy Sprayer

  1. Shake the bottle well before attaching to the hose - ensure the thumb switch is in the OFF position first
  2. Tighten the hose connector on the handle prior to connecting the hose; turn the hose tap on
  3. Slide the thumb switch to the ON position to FERTILISE or slide to the WATER position to just water your garden
  4. Walk slowly using a sweeping action to evenly distribute the spray over the measured garden area (the bottle should empty in approximately 12 - 13 minutes
  5. When finished, switch to OFF position and turn the water off

When using the Concentrate:

  1. The 1L Concentrate comes with a measuring cap that will dispense 30-50mL , the amount required for 9 litres of water
  2. The concentrate can also be used in a pump sprayer. Use the same dilution rate as for the watering can

For a complete guide on how to use Scotts Osmocote® Boost+Feed Citrus, Fruit, Trees & Shrubs, always check the packaging.

When to use

  • Apply to soils at planting time

  • Apply when your plants need a boost, particularly during main growing periods – early Spring, early Summer and early Autumn.


Easy Sprayer


Garden Beds & Pots

  • Established trees & shrubs
  • Plant Repair
  • Stressed Plants

Apply every 2 or more weeks

  • Soak the soil around the plant to feed the roots

Foliar feed every 2 or more weeks

  • Wet the leaves and soak the soil
Pre-plant Soil Preparation

Soak the soil in the area to be planted



Garden Beds & Pots 30-50ml (1 cap)

Apply every 2 or more weeks

  • Soak the soil around the plant to feed the roots

Foliar feed every 2 or more weeks

  • Use the lower rate. Wet the leaves and soak the soil
Trees & Shrubs 50-100mL (2 caps)    

Apply every 2 or more weeks

  • Soak the around the dripline to feed the roots
Plant Repair Stressed Plants 50-100mL (2 caps)

Apply every 2 or more weeks

  • Soak the soil around the plant to feed the roots
Pre-plant & Soil Preparation 50-100mL (2 caps)

Soak the soil in the area to be planted


Safety Information

CAUTION: This product may cause staining of hard surfaces if wet. Avoid contact with hard surfaces and if contact does occur, hose off immediately.

Technical details

  • NPK 18 : 1 : 2 (concentrate)
  • NPK 12 : 1 : 2 (hose on)
  • Safe to use on food plants
  • The Easy Sprayer is manufactured to deliver the product at a dilution of 85 : 1 (85 parts of water to 1 of product). This ensures the 1L hose-on bottle will cover up to 180m2 with an effective supply of fertiliser
  • When the Easy Sprayer bottle is not being used or is being carried/transported, ensure the thumb switch on the handle grip is in the OFF position to prevent leakage

Where to buy it

Decided what product best suits your needs? Or would you prefer to go in-store to ask for more information?

Visit your local Bunnings Warehouse for our largest range.

You can also find Scotts products in a number of gardening, hardware, independent and supermarket retailers including Flower Power, Mitre10, Coles and Woolworths.

Note: Not all brands and products are stocked in all stores. For any additional questions please visit our contact us page.

In New Zealand, go to your local Bunnings warehouse

Tips, tricks & advice

Choosing the right fruit for your climate

Grow healthy productive fruit trees suited to your climate by looking at:

Read more

Fertiliser Basics

Understanding fertilisers is easy with this simple guide

Read more

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