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PlantFiles: 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)

2 vendors have this plant for sale.

9 members have or want this plant for trade.


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:
Average Water Needs; Water regularly; do not overwater

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

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to view:

By poppysue
Thumbnail #1 of Alcea rugosa by poppysue

By boojum
Thumbnail #2 of Alcea rugosa by boojum

By Windy
Thumbnail #3 of Alcea rugosa by Windy

By Windy
Thumbnail #4 of Alcea rugosa by Windy

By Windy
Thumbnail #5 of Alcea rugosa by Windy

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Thumbnail #6 of Alcea rugosa by chunghsia

By Lala_Jane
Thumbnail #7 of Alcea rugosa by Lala_Jane

There are a total of 12 photos.
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3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive hillfarm 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+.

Positive Kathleen 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

Positive Windy 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.


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

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