Browsing articles in "Wood Chip"
Sep 27, 2013
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Mulch grades for your garden

A great option for your garden is mulch. As an organic compound they will break down over time releasing nutrients into your garden. Different mulches can be made of denser material it takes longer to break down reducing the frequency of mulch application. Mulches come in a range of grades – from fine through medium, and course. The best grade of mulch to use is course as it doesn’t readily absorb any moisture allowing more water to penetrate into the soil. The finer mulches act like a sponge and absorb the moisture, often leading to a seed bed for weeds.

The arbor mulch we produce and sell for a nominal cost is course in type and has bark components to it. The type of mulch varies depending on the tree being removed on the day but is always excellent quality. Contact us today if you’re interested in receiving regular deliveries of mulch.


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Aug 4, 2013
Comments Off on How to mulch

How to mulch


During cold or dry times plants become very vulnerable. Mulching can offer huge benefits in these situations. It has the ability to lock in moisture and to insulate roots from cold in addition to offering protection against weeds and providing extra nutrients for a plant. It also has the added benefit of making the tops of pots and borders more aesthetically pleasing.


Mulch can be made from a number of substances, usually from organic materials but there are some exceptions. Examples of organic mulches include leaves, grass clippings, woodchip, straw, peat moss and cardboard. The mulch applied may also be either permanent or temporary. Inorganic may include rubber or plastic mulch. When considering the type of mulch to use, many factors will play a role. Factors to take into consideration are the cost, availability, appearance, cleanliness and its effect on the soil (pH, decomposition, combustibility).


The process of mulching itself is relatively simple. Preparation is key: firstly the site must be as clear as possible. This includes weeds in particular, as they can be difficult to remove once the mulch has been applied and existing weeds will compete with the plants for the benefit of the mulch. Secondly, make sure that the soil in the area to be mulched is moist. If necessary be sure to water the area. It is important to carry out this step as once a layer of mulch has been applied it can be very difficult to sufficiently wet any dry soil. To apply the mulch itself first fill up a wheelbarrow or similar container with your mulch of choice. Then proceed to spread a layer of mulch around the plants or across the area of soil, a spade can be used to spread it. The layer should ideally be about 5 cm (2 inches) thick. When spreading around plants you should always leave a small gap around the stems. A rake can then be used to achieve a levelled finish.


The optimum time of year to apply mulch is dependent on the effect you are trying to achieve by the application of mulch. If aiming to protect the roots and crowns of newly planted trees, shrubs or herbs from frost, the best time to apply is the autumn or early winter. However, in order to protect entire beds or borders from quickly drying out in the summer heat, the mulch should be applied in late winter or early spring in order to trap in moisture created from wet weather.

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Oct 2, 2012
Comments Off on Cheap Mulch in Sydney!

Cheap Mulch in Sydney!

Arbor Mulch

Arbor Mulch

The free mulch offer is over. We do however offer cheap mulch starting at as little as $50 delivered for up to 7-8 cubic metres. Contact today for availability.

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Aug 8, 2012
Comments Off on How much mulch is too much?

How much mulch is too much?

Too much mulch!

Too much mulch hurts the tree

Sometimes we see trees and gardens with mulch bedded 20 cm high. It can looks really nice, like a volcano of mulch, but like a volcano the mulch can get hot, steamy, moist and can cause damage to whatever it touches. The cambium layer of the tree that supports the tree’s life now has to compete with moulds and fungi that the mound of mulch breeds. It is a fantastic environment for rodents such as rats who can live off the nutritious food found in abundance in the mulch. There are many reasons why you shouldn’t pile mulch this high – the primary one being you may end up killing the tree – the fungi and mould in particular pose a real risk to your tree’s health.

The right amount of mulch is around 4-10 centimetres high. It should be spread evenly and not mounded at the base of the tree or plants. This amount of mulch will provide adequate insulation against the weather – trapping warmth in the soil in the cold winters and shielding the roots from extreme heat in the blistering summers. The mulch will also trap moisture while slowly release nutrients into the soil as it breaks down. This promotes root and tree growth, while forming a barrier against weeds which may grow slow and compete for the nutrients found in the garden’s soil.

Please contact Sydney Mulch Sales for your fresh arborist mulch at a discounted prices. We are substantially cheaper than nurseries and wholesale suppliers.

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Jun 22, 2012
Comments Off on How long does it take mulch to decompose into soil?

How long does it take mulch to decompose into soil?

A common question on mulch and wood chips is how long does it take mulch to decompose into soil?

Decomposing Mulch

Mulch slowly decomposing in a garden

The answer isn’t straight forward. It depends on climate, conditions, and the type of mulch. If the mulch has been treated then it will take longer to decompose than untreated mulch (the kind you get from your local tree arborist).

Why would you want to know how long it takes for mulch to decompose? Wood chip, bark mulch, and leaves consume nitrogen from the soil when it starts decomposing. It sucks out the nitrogen in order to facilitate the decomposition. What is actually happening is that the micro-organisms that decompose wood chips require nitrogen in amounts greater than are available in the wood chips alone and thus source it from the soil. This is why bark mulch and wood chip is so highly effective in keeping weeds down. However, if it takes too much nitrogen from the soil it will stunt the growth of the vegetation it surrounds. The good news is that as the wood chips and mulch materials decompose the nitrogen returns to the soil in addition to providing many other essential nutrients for your plants to grow.

The best gardening practice is to add nitrogen or ammonium sulphate to the soil to help the vegetation grow and speed up the decomposition of the mulch. This will prevent the nitrogen being removed from the soil and in fact provide enrichment of it. You should always refer to the product being used as to the quantity and distribution of it, as different concentrations will require different applications. If you over apply nitrogen or ammonium to your garden you can poison your plants.

A simple answer to the question is: untreated arbor mulch will take around 1 year in typical Sydney weather to start breaking down. Within 3 years it will be fully broken down and providing excellent nutrients to the soil. Treated woodchips will take longer, around 4 years to fully break down, with the start of decomposition occurring around 2 years after the mulch has been laid. The factors that directly influence the decomposition of mulch and wood chips are;

  • moisture of the soil (moisture promotes decomposition)
  • warmth of the soil (warmth promotes decomposition)
  • if the mulch has been treated (treated mulch slows decomposition)
  • any additives to the mulch (nitrogen supplements and ammonium sulphate speed up decomposition)

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May 13, 2012
Comments Off on Free Mulch (offer expired)

Free Mulch (offer expired)


For a limited time we are offering FREE MULCH to people across the Sydney Region. Why? Because we have too much and want to get rid of some. Give us a call today for your free mulch! 0488 222 296. Since it is free we will only deliver quantities in small truckloads (the amount varies based on the jobs carried out in the day). The quality of the mulch is always excellent but there will be some variance depending on the arbor work completed on the day. Call us on 0488 222 296 to discuss how you can get free* mulch.

* The only condition to qualify for free mulch is you must be flexible. This means offering a variety of dates and times that we can deliver (easily) mulch to your location. Sometimes work will be cancelled and we will require to change dates. If you are getting free mulch then you can’t be too fussy about the when, how and what.

Free Mulch in Sydney

Free Mulch for anyone in the Sydney Region

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