Waterblommetjies are vigorous growers that will seed themselves, and in some areas might even need to be controlled. The seed of Aponogeton germinates freely on the water surface. The young seedlings can be collected and grown on. They will reach flowering size in one season given ideal conditions. Another easy way to propagate the plant is to divide the clumps of tubers in summer.
Dormant tubers are sometimes available from plant nurseries in the Cape.
The recipe below is adapted from Ina Paarman s recipe for a superior stew. Waterblommetjies are usually available in the stores in the winter months. Only the flowers and buds are used. The quantities given below should be enough for 6 servings. Remove the meat with a slotted spoon and season with seasoned salt or salt, pepper and sugar.