Proper Care for Wax Begonias - A Guide to Cultivating Yearly Begonias
Wax begonias, a popular choice among gardeners, are known for their vibrant flowers and waxy rounded leaves. Belonging to the species Begonia x semperflorens-cultorum, these annual plants thrive in moderately humus-rich, well-drained, and moist soils.
These versatile plants can be propagated through several methods, including cuttings, division, and growing from seed. Some common varieties include 'Party Pink', which grows pink flowers and bronze leaves, and 'Whopper Rose Bronze Leaf', which produces large pink flowers and bronze leaves. 'Barbara Rogers', a clumping variety, can grow up to 5 feet tall in USDA zones 7-9 and features white flowers all season long. Another variety, 'Prelude White', grows white flowers, while 'Emperor Red' and 'Senator Red' are specialty varieties that produce red flowers.
Most gardeners who grow wax begonias as annuals typically purchase plants in the springtime. These plants are hardy in USDA zones 9 or 10 and above, often grown as annuals elsewhere. They prefer shade to partial shade outdoors and sunny locations indoors. Wax begonias are easy to care for once established, as they tolerate heat, drought, and heavy shade.
However, it's essential to ensure proper drainage and air circulation to prevent issues such as powdery mildew, botrytis, and stem rot. Overwatering or growing them in soil with poor drainage can lead to these problems. Insect pests such as mealybugs, thrips, slugs, and snails may also affect wax begonias.
For those in warmer zones with frost-free winters, wax begonias can be overwintered. However, they are usually grown as annuals, providing a continuous bloom from early spring. The spread of wax begonias ranges from 6-12 inches (15-30 cm).
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In conclusion, wax begonias are easy-to-grow annual plants that offer a variety of colours and sizes. With proper care and attention, these plants can provide a beautiful addition to any garden or indoor space.
