Answer: Clematis can be propagated by cuttings, layering or seeds. Seeds should be gathered and sown fresh in the autumn. They need cold stratification to germinate in spring. You can layer shoots of the previous season's growth in late winter to spring and they should root in the summer. There are so many varieties of clematis, but usually deciduous cultivars take from softwood cuttings and species grow from semi-ripe cuttings. Softwood cuttings are taken from spring to midsummer and semi-ripe from mid to late summer. Each cutting should have a well-formed bud. Apply rooting hormone and keep humid with 54-59 degrees F. bottom heat. Once rooted, pot up and grow on in a moist environment. It usually takes 2-3 years for new clematis plants to flower. Good luck!
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