Persephone
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Dill786,
Do not throw the seeds away - you can still save them. Get a 2% hydrogen peroxide solution and put the seeds in it. Make sure all seeds are covered with the solution. Leave in a dark place for 24 hours. The container should be closed but not airtight. After that put the seeds in the soil immediately. When you water the soil to keep it damp, use the peroxide solution. Keep doing this until all seeds sprout.
http://www.kew.org/plants-fungi/Strongylodon-macrobotrys.htmjade vine has been successfully propagated from nodal cuttings at Kew. A small slice is made at the node at the end of the cutting to encourage callus development. A potting mixture containing 50% perlite is used initially, but the cuttings are then placed in richer compost after rooting has occurred. Bottom heat is provided and the cuttings are kept in a transparent plastic bag to prevent them from drying out. Rooting is easily achieved within six weeks. July is the best time to take cuttings at Kew, as the parent plant will have put on plenty of growth at that time. If several cuttings are to be taken from a long piece of stem, it is essential to mark the top and bottom of the stem to avoid confusion and ensure that the cuttings are placed the right way up in the compost.
After about 18 months, the new plants will have produced several metres of growth. They need to achieve plenty of vegetative growth in order to flower. It is thought that they should be kept under glass in humid conditions at around 20-30 °C, but Kew is experimenting with some plants in cooler, drier conditions.