*Begonia elaegnifolia* is a rhizomatous species native to Borneo and parts of Southeast Asia, typically found in shaded, humid forest understories. It is recognized by its elongated, elliptic leaves with a slight silvery cast and well-defined venation. The undersides of the leaves are paler and sometimes faintly flushed pink or red. This species thrives in high humidity and warm temperatures, making it ideal for terrariums or enclosed growing environments.

**Light Requirements:** Bright, indirect light to medium shade. Avoid direct sunlight.
**Humidity Requirements:** High, 70–90%. Performs best in terrarium or greenhouse conditions.
**Temperature Range:** 65–85°F (18–29°C). Keep above 60°F (16°C).
**Growth Habit:** Rhizomatous Begonia with elongated, slightly leathery leaves and compact spreading growth.
**Soil:** Loose, well-aerated mix rich in organics—fine bark, perlite, and peat or sphagnum.
**pH:** Slightly acidic to neutral, 5.5–6.5.
**Size:** Leaves typically 5–10 cm long; forms a low, spreading mat over time.