Propagating via Cuttings To propagate your butterfly weed in drinking water, choose four- to six-inch stem cuttings from a nutritious, established plant, by reducing it at a 45-degree angle just under a leaf node. Pinch off all but the highest two leaves. Fill a transparent plastic or glass cup with https://exploreyourgarden.site/are-milkweeds-perennials-or-annuals/