Crush the seed pods with your fist and pick out the four to six hard brown roundish seeds. Soak the seeds in a bowl of water overnight.
Wrap the soaked seeds in a wet paper towel and place them in a plastic bag. Put the bag in a warm location such as on top of the refrigerator. Watch them for the next day or two until fine white roots begin to emerge.
Remove the seeds from the bag and plant them in pots with a half and half mix of peat and potting soil. Orient the root downward and cover with 1/4 to 1/2 inch of medium. Mist the pots well until evenly moistened and then put them on a heat mat. Keep them just moist but not soggy until the baby plants emerge.
Place a bamboo stick in next to the new seedling so it has something to crawl up. Move the pots to bright indirect light and continue misting them when the top 2 to 3 inches of soil are dry. Transplant them outdoors when soil temperatures are at least 60 degrees Fahrenheit.
Harden off the seedlings for planting outdoors by gradually introducing them to longer periods outside over the course of a week. Prepare a bed in full sun by digging in 5 inches of compost. Transplant the young Argyreia into the soil at the same level they were growing in the pots.
Insert a trellis or stake for the plants to grow onto. Provide the equivalent of an inch of water per week. Fertilize them two weeks after transplant with a balanced fertilizer such as a 10-10-10. Provide 1/2 cup of fertilizer per plant and work it into the top 3 inches of soil followed by a complete drench of the area.
Allow flower to form and do not pinch them off after bloom. The pollinated flowers will begin to swell at the ovary and produce the fruit. The fruit will become dry and woody as it ripens. When the rosettes are dry enough to easily snap off, harvest them and place them in a plastic bag. Leave the bag open for a week to ensure that the rosettes have fully dried out and then seal it tightly for storage.
Remove the seeds when you are ready to use them by crushing the rosettes and picking out the seeds. Store the seed in a sealed glass jar.