Alcea Species, Hairy Hollyhock, Rugose Hollyhock, Russian Hollyhock

Alcearugosa

Family
Malvaceae (mal-VAY-see-ee)
Genus
Alcea (al-KEE-uh)
Species
rugosa (roo-GO-suh)
Synonym
Alcea novopokrovskyi
Alcea taurica
Althaea rugosa
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
6-8 ft. (1.8-2.4 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Biennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Toney, Alabama

Snowflake, Arizona

Richmond, California

Santa Clara, California

Denver, Colorado

Shelburne Falls, Massachusetts

Detroit, Michigan

Panama, New York

Raleigh, North Carolina

Sherwood, Oregon

Schwenksville, Pennsylvania

Christiana, Tennessee

Austin, Texas

Olympia, Washington

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Gardener's Notes:

3
positives
0
neutral
0
negative
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H
Quesnel, BC (Zone 4a) | November 2010 | positive

Excellent hollyhock. Soundly perennial; overwinters reliably in Zones 3 & 4; pest & disease free (no rust!); long season of bloom summer ...Read More

K
Panama, NY (Zone 5a) | July 2008 | positive

I actually paid for a plant of this species and am glad I did. It is a lovely addition to my growing collection of hollyhocks

W
W
Belleville , IL (Zone 6b) | March 2005 | positive

I have had luck winter sowing this plant. I look forward to seeing it in bloom.

Featured
Light-ribboned Wave moth
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(Agelaius phoeniceus)
Featured
Light-ribboned Wave moth
(Leptostales ferruminaria)
Red-winged Blackbird
(Agelaius phoeniceus)