The composition of the potting mixture has a major impact on plant growth. Plants derive anchorage, water, nutrients and air from the potting mix. A potting mix should be formulated from components that will provide the properties desired for the plant species to be grown.

Cat's claw creeper (Macfadyena unguis-cati)
seedlings growing in a formulated potting mix.

Points to consider when preparing potting mix listed to the left along with some examples of potting mixes.

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