Southern Butterwort or primrose butterwort, is a species of carnivorous plant native to the southeastern United States. Like other butterworts, it has sticky adhesive leaves that attract, capture and digest arthropod prey to supply the plant with nutrients, such as nitrogen, not found in the nutrient-poor, acidic soil that it grows in. 

Like all Pinguicula, the roots are undeveloped, and are mainly used to absorb water and anchor the plant. Nutrients are absorbed through carnivory.

Pinguicula primuliflora is an ideal beginners first butterwort in cultivation. It is typically easy to grow, and does not require high humidity, nor extremely intense lighting to flower and create sticky, carnivorous leaves. P. primuliflora requires the basics of any carnivorous plant; it needs poor, acidic soil, such as 50/50 peat moss and perlite or horticultural sand mix, or pure sphagnum peat moss mix, with no potting soil or fertilizer. It can be grown in a tray of standing water to increase humidity and maintain soil moisture.

Pinguicula primuliflora is native to the southeastern United States. Specifically, they are commonly found between the southern east of Mississippi, to the north west of Florida. They are in Zone 8 of the US. They can handle for short periods down to 20F or -9C.