Alcea, Common Hollyhock, Garden Hollyhock 'Outhouse'

Alcearosea

Family
Malvaceae (mal-VAY-see-ee)
Genus
Alcea (al-KEE-uh)
Species
rosea (RO-zee-uh)
Synonym
Sun Exposure
Full Sun
Foliage
Succulent
Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 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)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Pale Pink
Pink
Rose/Mauve
Magenta (pink-purple)
Red
Pale Yellow
Lavender
Maroon/Burgundy
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Biennials
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
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
Regional

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

Panama, New York

Desoto, Texas

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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K
Panama, NY (Zone 5a) | July 2008 | positive

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 b...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

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

This classic variety has graced outb...Read More

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