A mixture of loam, peat, sand, and nutrients, used as a growing medium for plants in containers.
‘Five plants were grown in each 25 cm diameter pot, using commercial potting compost supplemented by liquid fertilizer.’
‘Plant it out and it could spread very quickly, or grow it in drainpipes pushed into the soil vertically and filled with a mixture of garden soil and potting compost.’
‘They were sown on vermiculite or potting compost and grown under normal cultivation conditions.’
‘Where the plants were growing runners I pegged these down into potting compost with unbent paper clips and watered them.’
‘In a nutshell, you plant the tubers sandwiched between layers of multipurpose potting compost.’
‘Plants in these mixes may need more feeding than loam-based potting composts since nutrients leach through the soil easily.’
‘Put some gravel on top, then a layer of the best quality potting compost and then get ready to plant.’
‘And once you've used them as growing bags they are still useful, as seed and potting compost or to spread over the garden as mulch.’
‘Similarly, it is always best to use new potting compost when sowing seeds or transplanting seedlings.’
‘Inspect bags of potting compost carefully before you buy them from the garden centre.’
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