Kathleen wrote: >> my Amaryllis belladonna bulbs are setting seed this fall. Can anyone tell me how long to leave the pods on the stems? Is there a color change to watch for, green to brown or red or? The pods will turn brown and papery and will start to split open when they are ripe. That's when to grab the seeds. As others have noted, you need to plant them immediately. Good luck! Mike San Jose, CA