Seeds from Hydrangea serratifolia or Canelilla. Best grown in rich, moisture, grows 30 – 40 feet in water or it has its roots within a permanent water course. This corresponds to marshes, bogs, water courses, lake and river shores. It grows in semi-shade to shaded areas. Dust-like seeds, sprinkle on soil and keep damp. High humidity required. Requires patience and attention to germinate properly. Hardy to zone 8-10b.