Rex begonias are foliage plants prized for their dramatically patterned leaves rather than their flowers, which are insignificant. Native to the rocky, forested valleys of northeastern India, southern China, and Vietnam, these rhizomatous perennials thrive in zones 10, 11 and reach a compact 12, 18 inches tall and wide. Their stunning leaves display a dark green center and margin surrounding silvery accents, with prominent veins and sparse hairiness that create remarkable textural depth. While they demand high maintenance and particular growing conditions, including high humidity, porous soil, and careful watering, gardeners who master their needs gain a year-round houseplant of extraordinary visual impact.
Partial Shade
Moderate
10-11
18in H x 18in W
—
Moderate
Hover over chart points for details
What makes rex begonias extraordinary is their foliage, not their flowers. Each leaf is a work of living art, with intricate patterns, metallic sheens, and architectural vein structure that rival any flowering plant. They're grown primarily as indoor specimens, especially in cooler climates, and their dramatic appearance rewards the extra care they require. These plants reach modest size, 12 to 18 inches, making them perfect for shelves, tables, or plant stands where their leaves can be admired up close. For gardeners drawn to foliage plants over blooms, rex begonias represent a genuine horticultural treasure.
Rex begonias are grown as ornamental houseplants, valued specifically for their striking foliage rather than flowers. They are typically used as specimen plants on tables, shelves, plant stands, or windowsills where their dramatic leaf patterns can be displayed and appreciated from all angles. In cooler climates outside zones 10, 11, they are treated as annuals or year-round indoor plants. Their compact, spreading growth habit makes them well-suited to interior gardens, terrariums, or any setting where their visual impact can be highlighted.
No timeline data available yet for this variety.
Remove dead leaves promptly to prevent fungal infections and maintain the plant's appearance. Keep the plant well-groomed by removing any debris on the planting mix surface and dead foliage, which reduces pest and disease pressure while encouraging the development of fresh, vigorous leaves.
Enter your ZIP code to see a personalized growing calendar for this plant.
“Begonia rex-cultorum is a cultivar group that traces its parentage directly to the wild species Begonia rex, collected from the rocky, forested slopes of northeastern India, southern China, and Vietnam. The wild ancestor was discovered and brought into cultivation by Victorian collectors during the 19th century, sparking intense breeding programs that produced the diverse range of leaf patterns and colors known today as rex begonias. All modern rex begonias carry the wild species in their genetic background, making them living links to remote mountain forests. The group's name, rex-cultorum, literally means 'of rex and cultivation,' acknowledging both the wild ancestor and centuries of deliberate selection by growers seeking ever more striking foliage variations.”