However when used in a backyard the wood chip layer is generally thin and watered regularly reducing the fire risk.
Large wood chips for garden.
To gather the heat that is given off by decomposition a hose is coiled through a large heap.
This results in the production of acids and other compounds that can volatilize when the mulch is placed in beds especially during hot weather.
Keep chips away from stems and trunks and the siding on the house.
Wood chips in a garden are an essential and often underrated tool.
When wood chips go bad the problem sometimes referred to as sour mulch or toxic mulch occurs when mulch is left in large piles and undergoes anaerobic conditions.
It is important to understand that the leaves are a source of nitrogen and the branches are a source of carbon.
As with everything you bring on your property there are risks in the unknown.
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In general it is best to use wood chips around established plants only and avoid the vegetable bed except to create paths.
Smaller wood chips are great as the carbon element in the heap added in equal quantities with nitrogen rich materials.
This ratio creates an ideal mulch gardening material when the wood chips have composted.
Large piles of wood chips several feet deep have been known to catch fire.
They are a natural effective form of weed control.
They provide insulation to valuable plants through winter.
Use 4 to 6 inches of wood mulch over a nicely broken down organic layer such as leaf litter or compost.
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Back to eden gardening uses wood chips that are 90 needles leaves and branches that have been chipped from tree trimming waste.
Larger wood chips can also be used to cover the heap as an alternative to straw to help retain the heat that is given off.
They create quality soil amendments over time.
In most cases this will be the lowest cost option on this list.