- Rex begonia (Begonia rex-cultorum) is a semi-tropical perennial plant normally grown as an outdoor container plant or houseplant.
- Among the various types of begonias, Begonia rex is one of the most beautiful and stunning plants.
- Sometimes called painted-leaf begonias or fancy-leaf begonias, these plants are known for their showy, sometimes jaw-dropping leaf coloration.
- They frequently have large leaves (up to 6 inches long) that are brightly colored in various shades of green, red, silver, and even purple.
- These plants are grown almost exclusively for their foliage—their blooms tend to be small and less showy, so many growers pinch off blooms to maintain breathtaking leaf displays.
- River Nile begonias are a member of the Rex begonia clan.
- Rex begonias have elaborate colors, patterns, and leaf shapes.
- Rex begonias are also rhizomatous; if the stems fall over, they will root back into the soil.
- It prefers organically rich, moist, and well-drained soil.
- Best in high humidity especially during the growing period.
- Feed with slow-release pellets or liquid fertilizer once a month.
- Shady bright to partial sunlight.
- Water when the soil feels dry to the touch.
- Allow soil to dry out between watering and watch for overwatering which can cause fungal diseases or rot.