Common Name: Geranium

Scientific Name: Pelargonium x hortorum

Geranium - Rounded Growth Habit

Physiological Growth Cycle: Perennial         USDA Hardiness Zone: 10-11

Dicot       

Size:

• 12" to 20" height

Growth Habit:

• Rounded

Foliage:

• Round to reniform
• Scalloped and crenate leaf margins
• Often zonal or variegated
• Heavy odor if crushed

Geranium Inflorescence - Umbel	Geranium Floral Spike

Inflorescence:

• Umbel
• Red, pink, salmon, white, violet

Red Geranium Bedding Plants with White Petunias	As a Topiary

Use:

• Edging plants
• Bedding plants
• Container plants
• Hanging baskets
• Topiary

Problems: 

• Botrytis
• Root rot
• Stem rots
• Bacterial leaf spot
• Caterpillars

Culture:

• Full sun
• Moist well-drained soil
• Cool root zone
• Subject to freeze

Propagation:

• Cuttings root easily with bottom heat
• Seed

Notes:

• Usually treated as an annual if minimum winter temperatures fall below 36° F (2° C)
• Origin of scientific name:
  • Pelargonium: derived from Greek, pelargos, a stork (refers to the shape of the fruit which resembles the beak of a stork)
  • hortorum: belonging to a hortus or garden; cultivated