Streptocarpus: The Cape Primrose That Loves Cool, Bright Rooms

If you crave a houseplant that blooms almost continuously and resembles a delicate orchid, meet the streptocarpus. Native to the misty, mountainous regions of eastern and southern Africa (and Madagascar), these gesneriads—often called Cape primroses—produce velvety, five-petaled flowers that hover above rosettes of textured leaves. Hybrids offer a rainbow of colors and forms, from deep violets to soft pinks and pure whites.

Cool Temperatures Are Key

Because they evolved at high elevations, streptocarpus plants prefer temperatures between 50–68°F (10–20°C). They will suffer—often fatally—if exposed to sustained heat above 86°F (30°C) or direct, intense sunlight. A bright, north- or east-facing window, or a spot under fluorescent lights, provides ideal conditions. Keep the soil evenly moist but never soggy, and feed lightly during active growth.

Rewarding, If You Meet Their Needs

Given the right cool, humid environment, a streptocarpus becomes a floriferous, long-lived companion. Their near-constant bloom and tidy habit make them perfect for tabletops, shelves, or hanging baskets where their floating flowers can be appreciated at eye level. Treat them well, and they'll repay you with months of color.