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Home > 'Coarse Grit'

'Coarse Grit'

How to improve your garden soil

…prevent the soil surface drying out and cracking in hot weather. * Never add sand to a clay soil as this may make it worse. You can use gravel or coarse grit although a lot is needed to make a real difference. It's best to just keep adding organic matter and choose suitable plants for your soil. *…

Thompson & Morgan Facebook horticultural question and answer session

…rotted garden compost, leaf mould or manure to improve the soil prior to planting. On really heavy clay, you may find it beneficial to add some coarse grit to help open up the soil structure. Make sure that you dig it in really well to mix it properly with your own clay soil. Abelia is best planted…

Thompson & Morgan Facebook Question and Answer Session 8th March 2013

…becoming compacted underfoot. Walking on clay soils damages their structure, encouraging water-logging. You may find it beneficial to add some coarse grit to your soil to help open up the structure. Make sure that you dig it in really well to mix it properly. Growing plants in raised beds, as you've…

Growing Hardy Geraniums from Seed

…parts of grit, sieved sterile loam and sieved peat, with the addition of 2oz (57gms) calcium superphosphate and ¾oz (21gms) lime per 1 bushel (36L) of compost. Ripe seed should be sown on a firmed surface and covered with a thin layer of compost and ¼inch (6mm) coarse grit. The compost…

Hellebores

…potting-on may be one of the soil less types or a loam-based one such as John Innes, and I find that the seeds are best covered with a fairly coarse grit after sowing; this allows the seedlings to push through easily, prevents compaction of the soil surface during heavy rains, and deters liverworts…

How To Grow Herbs

…Conditions Ideally herbs should be grown in a sunny, sheltered location with well drained soil. If you have heavy clay soil then incorporate some coarse grit and organic matter such as well-rotted manure, compost (new or spent compost) or recycled green waste to improve drainage. You may benefit…

How To Grow Lavender

…garden. Avoid planting Lavender in wet ground as this will cause the plants to rot. Heavy soil conditions can be improved with the addition of coarse grit or sharp sand prior to planting. Alternatively, grow Lavender in containers, using a well drained soil based compost such as John Innes No. 3.…

Auriculas

…sowing compost can be used but a loam-based John Innes type seed compost is more common, and essential for the winter sowing. In both cases coarse sand or grit can be added to improve drainage. The compost should be levelled and moistened before the seed is scattered, very thinly, on the surface. It…