Certified GKH Gardening Expert
Once the flowers get pollinated they will begin to die off. If they get left, instead of deadheaded, then the seed pod will begin to swell where the flower used to be. Once they swell, and start to turn dark, the pods can be harvested before they burst.
It is worth noting that the seeds will not resemble their parents. Also, many will not germinate at all. Still, what does grow may be something unique and interesting.
This article will offer some tips on the care of this plant to ensure proper growth: