Begonia x hiemalis

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Begonia x hiemalis Fotsch

Begoniaceae

Life form: perennial
Usage: ornamental plant

Exposure: sun - Exposure: half shade   10

Moisture: moderately moist bis Moisture: moist

Soil: sandy loam

Arrangement: alternate
Leaves: evergreen

Shape: cordate

Division: simple

Shape: not specified
Fruit: loculicidal capsule

63D / e981ab 

Inflorescence: cyme

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Dilleniidae
Superordo:
Violanae
Ordo:
Begoniales
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Begonia x hiemalis is a succulent perennial.

Naming

Taxonomy

Begonia x hiemalis is a species in the genus Begonia which contains approximately 1545 to 1724 species and belongs to the family of the Begoniaceae (Begonia Family). The type species of the genus is Begonia obliqua.

Characteristics

Begonia x hiemalis - flowers

Growth

The perennials are comparatively fast-growing and reach heights of 30 to 45 centimetres. The plants reach a width of 30 to 60 centimetres.

Leaves

Begonia x hiemalis is evergreen. The mid-green, simple leaves are alternate. They are cordate, crenate and petiolate. The surface of the leaves is glabrous.

Flowers and Fruits

Begonia x hiemalis produces cymes of pink flowers from April to July. The plants are dioecious.

The perennials produce loculicidal capsules.

Root System

The plants form root tubers.

Distribution

Cultivation

The perennials prefer a sunny to half-shady situation on fresh to moist soil. The substrate should be sandy loam. They tolerate temperatures only above at least 1°C (USDA zone 10). Under glass use potting compost.

In summer the plants prefer moderate humidity, protection from direct sunlight. Tolerance of special soil conditions

  • none: waterlogging

Uses

Suited for summer bedding and for hanging baskets, as well as suited as container plant and as indoor plant.

Maintenance and Propagation

  • Repot as necessary in spring.
  • For healthy growth apply a compound fertilizer monthly during growth.
  • Water moderately in summer, give little water in winter.
  • temperature in summer should be 19 to 23°C, in winter should be 19 to 23°C.


Cultivars

Pests and Diseases

Cankers indicate an infection with fireblight. Generously remove affected parts and destroy them.

A powdery white coat on the plants indicates an infection with powdery mildew. Remove affected plants and apply a fungicide. To prevent infection improve ventilation, keep the roots moist and do not water the plants from above.

White tufts or white covering on the lower surface of the leaves indicates an infection with downy mildew. Remove affected plants and apply a fungicide. To prevent infection improve ventilation, keep the roots moist and do not water the plants from above.

Fine webs on the plants indicate an infestation with red spider mites. These sap-sucking insects mainly appear under glass and can be controlled either with insecticide or biologically with parasitic mites.

White spots on flowers and leaves in combination with buds that do not open indicate an infestation with thrips. These insects can be controlled by improving ventilation and by watering regularly as well as by using an insecticide or biolocial pest control (predatory mites).

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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