Due to its aeration and moisture properties, Vermiculite is ideal for use when germinating seeds, pricking-out or adding to composts. It also insulates against fluctuations in surface temperature when used as a seed covering. It has good ion properties which absorb nutrients preventing them from being washed out and then releases them slowly to the plant roots and it also holds moisture near to the roots. It can even be used in outdoor seed beds where it will improve emergence with less risk of ‘capping’. When used in potting compost it makes a light, open compost that holds more water thus facilitating re-wetting and therefore lengthening the time between watering.
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50 in stock