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Rugose Hollyhock, Hairy Hollyhock

Alcea rugosa

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Alcea (al-KEE-uh) (Info)
Species: rugosa (roo-GO-suh) (Info)



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


6-8 ft. (1.8-2.4 m)


24-36 in. (60-90 cm)


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)

Sun Exposure:

Full Sun


Unknown - Tell us

Bloom Color:

Bright Yellow

Bloom Time:

Mid Summer

Late Summer/Early Fall



Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:


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


This plant has been said to grow 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

show all

Gardeners' Notes:


On Nov 26, 2010, hillfarm from Quesnel, BC (Zone 4a) wrote:

Excellent hollyhock. Soundly perennial; overwinters reliably in Zones 3 & 4; pest & disease free (no rust!); long season of bloom summer well into autumn. Also known as "Russian Hollyhock". Self sows if allowed but never a problem. Have had a nice colony here for 10 years+.


On Jul 28, 2008, Kathleen from Panama, NY (Zone 5a) wrote:

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


On Mar 26, 2005, Windy from Belleville , IL (Zone 6b) wrote:

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