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Scientific Name: Pelargonium x domesticum
Pronunciation: pell-are-GOE-nee-um ex doe-MESS-tih-kum
Common Name: pelargonium, regal geranium
Family Name: Geraniaceae
Plant Type: Annual, Flowering pot plant
Key ID Features: Leaves rounded, heart- to kidney-shaped, irregularly toothed and crinkled margins; florets in simple umbels.
Course(s): HORT 1193/1293

Habit: Upright
Form: Oval - vertical
Texture: Medium
Mature Size:
Height:0.4 - 0.7m
Spread:0.6 - 1.0m
Origin: Africa
Hardiness Rating: Zone 10: (-1 to 4 C)
Exposure: Full sun
Soil/ Growing Medium:
Water Use: Moderate
Landscape Uses: Bedding plant, Container planting, Indoor plant
Additional Info: Google
pelargonium, regal geranium
Leaf Morphology: Glossary
Form: Lobed, Simple
Arrangement: Alternate
Texture/ Venation: Soft flexible
Surfaces: Distinctive smell
Leaf(let) Terms:
Shapes: Ovate
Apices: Acute
Margins: Incised

Inflorescence Type: Flowers solitary
Flower Morphology:Flowers perfect
Number of Petals:5
Corolla Shape:Rotate/stellate
Ovary Position:Superior
Colour (petals): Showy, White, Violet, Pink, Red, Dark-red, Magenta
Flower Time at Peak: May, Jun, Jul, Aug, Sep
Additional Info: Requires cold temperature treatment for flower initiation.

Fruit Type: Aborted (hybrids) or absent, Achene, Schizocarp
Fruit Colour: Brown
Fruiting Time: Aug, Sep, Oct
Additional Info: Fruit insignificant

Bark or Stem Colour: Green

Propagation: Stem tip cuttings
Plant Care:
Optimal Temp.: Low indoor temperature
Light Level:High indoor light level
Other:Cool temperature treatment required for flower initiation; this limits its use as an outdoor annual. Primarily used as a flowering houseplant.
Pest Susceptibility: Root rot, Thrips,
Specific Pests: deer
(GNH) GreeNHouse
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