Propagation Methods for Argentine Giant (Stetsonia coryne)

Assuming a large outdoor Stetsonia (Argentine Giant). Arms can be twisted off (heavy—use carpet/gloves) or cut (sterilized knife, clean cut). If cut end dry, plant in original soil + gravel/slite. If wet, callous weeks. Water 1–2x/month (rain excepted). Semi-shade/shade cloth. Keep in pot 1 year—slow rooting. Cuttings from infected plants: sterilize, clean cut, fungicide/charcoal/rooting powder, callous weeks. Same aftercare. Seeds: spring, sterile soil, heat, lights. Mesa Gardens for seeds. Keys: disease prevention, drainage, no overwater, shelter.