Ranunculus varieties can by pricey, but you can multiply them by 3-8xs the amount by just saving the corms. Every spring season, ranunculus bloom and produce several flowers, and while they’re doing that, they’re also starting to produce extra corms under ground. Once temperatures consistently reach over 75 degrees F, the flower production will stop and the ranunculus will go dormant. When that happens you can start the process of saving them! 1. You need to let the foliage die down naturally. T