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Scientific Name:
Begonia x tuberhybrida
Pronunciation:
beh-GOHN-yuh ex too-bur-HI-brid-ah
Common Name:
tuberous begonia
Family Name:
Begoniaceae
Plant Type:
Annual, Flowering pot plant
Key ID Features:
Annuals up to 45cm tall forming true tubers (not to be confused with tuberous roots); leaves alternate, most blades asymmetrical, ovate to deltoid 8-12cm long x 3-6cm wide, thick, pubescent, undulating, double serrate to incised or palamtely lobed, ciliate; petioles thick, pinkish, comes off one side, most 3-5cm long; florets male or female, in fiery colours, most 2-7cm wide.

Habit:
Pendulous, Upright
Form:
Mounded
Texture:
Coarse
Mature Height:
0.2 - 0.4m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Moderate
Origin:
Garden origin, South America (Andes mountains of Chile and Argentina - parentage may involve B. boliviensis, B. clarkei, B. davisii, B. pearcei, B. veitchii, etc.)
Hardiness Rating:
Zone 10: (-1 to 4 °C)
Exposure:
Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Bedding plant, Hanging basket
Additional Info:
Google. Double flower forms include Belleconia. Compare to B. boliviensis.

Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Lustrous
Colour in Summer:
Green, Dark-green, Bronze
Shapes:
Deltoid, Ovate
Apices:
Acute
Bases:
Oblique (uneven)
Margins:
Ciliate, Double serrate, Incised

Inflorescence Type:
Cyme
Flower Morphology:
Monoecious plant
Number Of Petals:
11+
Corolla Shape:
Cruciform
Ovary Position:
Superior
Colour (petals):
Showy, Orange, Yellow, Violet, Pink, Red
Flower Time at Peak:
Jun, Jul, Aug, Sep
Additional Info:
Usually doubles; some cvs. with frilled petals.

Fruit Type:
Capsule, Aborted (hybrids) or absent
Fruit Colour:
Brown
Fruiting Time:
Oct
Additional Info:
Fruit insignificant

Bark or Stem Colour:
Organ Modifications:
Tubers
Propagation:
Seed, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Blight or needle cast, Mildew, Mites, Root rot, Thrips

Course(s):
  • HORT 1193/1293
  • HORT 2355
Location(s):
  • (BED)  BEDding, container, or basket
  • (GNH)  GreeNHouse
Location Map