Begonia is one of the largest genera of flowering plants. The species are terrestrial (sometimes epiphytic) herbs or undershrubs, and occur in subtropical and tropical moist climates, in South and Central America, Africa, and southern Asia. Terrestrial species in the wild are commonly upright-stemmed, rhizomatous, or tuberous. The plants are monoecious, with unisexual male and female flowers occurring separately on the same plant; the male contains numerous stamens, and the female has a large inferior ovary and two to four branched or twisted stigmas. In most species, the fruit is a winged capsule containing numerous minute seeds, although baccate fruits are also known. The leaves, which are often large and variously marked or variegated, are usually asymmetric (unequal-sided).
Grapeleaves Begonia Care
Begonia Species, Grape Leaf Begonia



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How to Care for the Plant
Water
During the winter keep these semi-dormant plants at a temperature of about 13°C (55°F) in bright filtered light as they retain their foliage while resting. Watering: Water actively growing plants moderately, allowing the top couple of centimetres (0.8 inch) of the potting mixture to dry out before watering again.
Pruning
You can cut back the stems at any time during spring or early summer when the begonia is in its active growth cycle. Trim back the tall stems by up to two-thirds their height. The begonia will produce new leaves from the base of the cane.
Fertilizer
Apply a high-potash liquid fertiliser to actively growing plants about once every two weeks. Stop feeding the plants which are going dormant.
Sunlight
Light: Give Begonia dregei plants bright filtered light all year round. Plants grown under natural sunlight on a windowsill will often perform best when provided with a south facing position in winter and est-facing one in summer.
Soil
The caudex is usually mostly out of the soil.
Temperature
During the winter keep these semi-dormant plants at a temperature of about 13°C (55°F) in bright filtered light as they retain their foliage while resting.
Additional
Toxicity: Begonias are toxic to pets, with the tubers being the most poisonous part. They are not toxic to humans, although may cause allergic reactions. See more Common Poisonous Plants for Dogs and Cats. Description: Begonia dregei is a semi-tuberous, fleshy perennial that grows to about 40cm (16 inch) tall, typically with a swollen stem base (caudex). The stem are pale green to reddish green or gray-brown, hairless, branched or branchless.
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