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Mould and fungal growth in flower pots

A whitish or brownish covering on the soil in a flower pot can spoil the pleasure of even the most beautiful house-plant. These coverings are usually harmless, but how do they develop in the first place? Peat-free or peat-reduced potting soils consist of varying percentages of wood fibre, bark humus and green waste compost. These […]

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Bark mulch: No need to worry about soil acidification

Bark mulch: No need to worry about soil acidification There is a stubborn rumour that bark mulch lowers the soil pH value. Many gardeners and horticulturists greatly appreciate the countless benefits bark mulch offers: It gives borders a uniform and neat look, keeps weeds down, holds the moisture in the ground, and prevents soil from […]

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Mould in potting soils

It is obviously not pleasant to discover a mouldy covering in a bag of potting soil you have just opened. However, it is in fact a sign that the soil you bought is biologically active. Peat-free or peat-reduced potting soils consist of varying percentages of wood fibre, bark humus and green waste compost. These feedstocks […]

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Fungus gnats in potting soils

Small insects can be an issue, especially in winter. Here’s an easy solution to the problem. Almost every plant lover has had to deal with black 1-5 mm large fungus gnats (Sciaridae) at one point in their lives. The flies are found especially in greenhouses and in the winter near pot plants. Adult fungus gnats […]

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