Watermelon Rex Begonia is not a naturally occurring species but rather a cultivated variety of Begonia. It is the product of selective crossbreeding between various begonia species, carefully designed to produce plants with distinct and captivating characteristics.
Watermelon Rex Begonia's most defining feature is the foliage. Its leaves are a canvas of nature's own watercolors, showcasing a blend of vibrant pinks, silvery greens, and deep purples, often intricately marked with silver veins. The result is a striking resemblance to the delicate and unique patterns found on a ripe watermelon's skin, hence the name!
Begonias tend to maintain a compact growth habit, making them suitable for various settings, from tabletops and shelves to hanging baskets. Their lush and colorful foliage creates an eye-catching display wherever they're placed.
While Watermelon Rex Begonia might appear high-maintenance due to its ornate appearance, it's surprisingly easy to care for and stands among the most beautiful vivid, colorful foliage houseplants.
Begonias is versatile when it comes to lighting, adapting well to moderate to bright, indirect sunlight. Position them in a well-lit spot that avoids harsh direct sunlight, allowing their variegated leaves to shine.
Consistently maintaining moist but not waterlogged soil is key to their health. Water your Begonia when the top inch of soil feels dry, and adjust watering frequency during the winter months when growth slows.
Ensure you give this plant a high-quality, well-draining potting mix designed for Begonias or tropical houseplants. Adding some perlite to the mix enhances aeration and drainage and promotes robust root growth.
Begonias thrive in moderate temperatures between 60°F and 70°F. These plants do not like extreme heat exceeding 85°F or chilling cold below 50°F. They flourish in environments with humidity levels around 50% or higher.
To encourage their vibrant foliage, provide monthly nourishment with diluted houseplant fertilizer during their active growing season in spring and summer.
Begonias contain calcium oxalate and can be toxic if ingested. Keep these plants out of reach of pets and children.
USDA Zone 10-12
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)