Flowers must be pollinated by an external agent such as insects or artificially in order to set seed. Follow the procedure given for temperate species. Seed can be sown immediately and will germinate. We have found stratifying the seed for about 2 months results in a more uniform and a greater percentage of germination.
Leaf cuttings: Follow the same procedure as given for the temperate Pinguicula spp. except that the temperatures should be higher, 70-85°F (21-29°C). The more succulent the leaves the greater the success rate.
Species such as P. pumila, P. primuliflora, and P. planifolia will develop small plantlets on their leaves while growing under conditions of high humidity, usually in late summer or early fall. (Photo 5-7) These plantlets, if continually removed, can be used to start new plants.
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