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PlantFiles: Marsh Mallow, Marshmallow
Althaea officinalis 'Romney Marsh'

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Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Althaea (AL-thay-uh) (Info)
Species: officinalis (oh-fiss-ih-NAH-liss) (Info)
Cultivar: Romney Marsh

5 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
Unknown - Tell us

Hardiness:
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
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)

Sun Exposure:
Unknown - Tell us

Danger:
Unknown - Tell us

Bloom Color:
Pale Pink
Pink

Bloom Time:
Unknown - Tell us

Foliage:
Herbaceous
Silver/Gray

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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to view:

By risperdal
Thumbnail #1 of Althaea officinalis by risperdal

By risperdal
Thumbnail #2 of Althaea officinalis by risperdal

No details have been posted.

Regional...

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

Minneapolis, Minnesota



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