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Plunge Propagating Trays
Plunge Trays form the basis of one of the easiest and most traditional forms of propagation. Plunge Propagation involves filling a deep Plunge Tray - our trays are 6 inch / 15cm deep - with horticultural sand. Keeping the sand damp, you can then 'plunge' cuttings directly into the sand where there roots will form. It's important for successful propagation that the sand is kept damp - and remember, cuttings taken in the cooler months may take months to root, where summer cuttings normally just take a couple of weeks. Other cuttings that thrive from being propagated in this way include some short lived perennials and silver leafed plants. To aid propagation in Plunge Trays you can add heat - such as a soil warming cable.
This type of tray can also be known as Alpine Plunge Trays as they are ideal for keen alpine plant growers who need to plunge the clay pots into deep beds of sand to create the ideal free draining conditions that make alpine plants thrive.