Water wisteria is easy to propagate. Pieces should be cut from one of the stems using sharp planting scissors. Don't use paper scissors since they cause too much crushing. Which leads to infections that will kill the plant. Stem cuttings are left in the water to recover and grow new rootlets. Short cuttings are good for creating new floating plants. While longer cuttings are to be placed into your substrate. And held down using lead planting weights until the roots establish themselves.