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Fish Geranium, Horseshoe Geranium, Zonal Geranium 'Rocky Mountain Orange'

Pelargonium x hortorum

Family: Geraniaceae (jer-ay-nee-AY-see-ee) (Info)
Genus: Pelargonium (pe-lar-GO-nee-um) (Info)
Species: x hortorum (hor-TOR-um) (Info)
Cultivar: Rocky Mountain Orange
» View all varieties of Pelargoniums


Tropicals and Tender Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


12-18 in. (30-45 cm)


12-15 in. (30-38 cm)


USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Sun to Partial Shade


Unknown - Tell us

Bloom Color:


Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Blooms repeatedly




Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From herbaceous stem cuttings

From seed; sow indoors before last frost

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds


This plant has been said to grow in the following regions:

Norristown, Pennsylvania

Gardeners' Notes:

No details have been posted.