PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

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)

Category:

Biennials

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)

Sun Exposure:

Full Sun

Danger:

Unknown - Tell us

Bloom Color:

Bright Yellow

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

Unknown - Tell us

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 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:

3
positives
0
neutrals
0
negatives
RatingContent
Positive

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

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

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.