Fig. 1. Once seen, the huge size of Colocasia gigantea is unforgettable. Fig. 5. Plants grow quickly when moved on to 4.5" pots. Fig. 2. The size of the inflorescence is in keeping with rest of the plant parts. Fig. 3. Before planting, the seeds are cleaned of the sugary slime that encloses them in the berries. Fig. 4. Seedlings are started in small cells. Fig. 7. Colocasia Noble Gigante (Purple Giant) has slate blue leaves borne on purple petioles. Fig. 8. In shade Purple Giant leaves have a deeper grape color (Image courtesy of the copyright holder, Troy B. Marden). Fig. 6. They also rapidly progress to 3- or 5-gal pots, already showing their huge size potential.