Alcea, Hollyhock 'Outhouse'

Alcea rosea

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Alcea (al-KEE-uh) (Info)
Species: rosea (RO-zee-uh) (Info)
Cultivar: Outhouse




Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)


9-12 in. (22-30 cm)

12-15 in. (30-38 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


Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Pale Pink



Magenta (Pink-Purple)


Pale Yellow


Maroon (Purple-Brown)

White/Near White

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall



Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; sow indoors before last frost

From seed; direct sow after last frost

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored


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

Panama, New York

Desoto, Texas

Gardeners' Notes:


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

My hollyhocks came originally from my grandmother's house. She had them on the east side of the house and there was another bunch down by the milkhouse on the south end of the barn. She gave me seeds and later I got more seeds from my brother who now owns the farm. We have them along the back of the house, down the west side, below the drive way and on the northeast corner of our barn, along with a few other spots. My DH once said there was a spot in the back 40 where he didn't think there were any at all. Hollyhocks were planted around outhouses to camouflage that particular necessity and to get the hollyhocks at a bit of a distance. They were considered a coarse plant by the more fastidious Victorian ladies. I am, needless to say, fond of them, and don't mind them being a bit clos... read more


On Mar 4, 2007, berrygirl from Braselton, GA (Zone 8a) wrote:

I have not grown these. I am just providing info on these great old-fashioned plants.

This classic variety has graced outbuildings on Iowa farmsteads for over a century. Single blooms of white, light pink, pinkish-red, magenta and burgundy. Years ago, refined ladies just looked for the hollyhocks and didn't have to ask where the outhouse was. Blooms the second year in the North or first year in more moderate, long-seasoned climates. Self-seeding biennial, 6-9' tall.