The Hiemalis begonia (Begonia x hiemalis), a cross between a wax begonia and a tuberous begonia, is prized for its waxy green foliage and the brightly colored flowers that bloom profusely from spring until autumn. This sturdy, easy-care annual reaches heights of 10 to 12 inches, with a spread of 10 to 12 inches.
Reiger Begonia Care
Begonia × Hiemalis
What is the plant
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Humidity
High
Lighting
Part Sun
Temperature
-6°C - 7°C
Hardiness zone
8 - 11
Difficulty
Easy
Toxicity
Poisonous
How to Care for the Plant
Water
Keep the top 1/2" inch of your Rieger begonia dry between waterings.
Pruning
As old flowers are spent, pinch off the flowers to encourage new blooms to open. After the plant is done blooming, cut it back and let it dry out, then move it to a bright place and begin watering again when the weather warms up.
Fertilizer
Use liquid fertilizer weekly at quarter strength or biweekly at half strength. In the fall, switch to a high-phosphorous fertilizer to encourage bigger blooms.
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Sunlight
Reiger begonias need bright, indirect light year-round. They are photoperiod bloomers, meaning the bloom is stimulated by the number of hours of light they receive.
Soil
Airy, light, fast-draining soil is perfect for these begonias.
Temperature
Reiger begonias need average to warm (and humid) temps. They can go as low as degrees Fahrenheit at night in the fall to help stimulate a bloom.
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Additional
The tubers and roots of Reiger begonias can be toxic if ingested by pets, livestock, and humans.
Popularity
104 people already have this plant 22 people have added this plant to their wishlists
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