Hollyhock

Alcea rosea

Photo/Illustration: 
Michelle Gervais
Photo/Illustration: 
Michelle Gervais
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Hollyhock (Alcea rosea)
al-SEE-ah ROSE-ee-ah
Synonyms:  Althaea rosea
Genus:  Alcea
This tall, upright perennial has single flowers of various colors that grow along a spike. It blooms in early summer and midsummer.
Care:  Provide full sun and average to dry soil.
Propagation:  Timing to sow seeds varies if grown as annual, biennial or perennial.
Problems:  Rust, leaf spots, southern blights, cutworms, slugs, mallow flea and Japanese beetles, and capsid bugs.

Overview

Height
6 ft. to 10 ft.
Spread
1 ft. to 3 ft.
Growth Habit
Clumps
Growth Pace
Moderate Grower
Light
Full Sun Only
Moisture
Dry to Medium
Maintenance
Moderate
Characteristics
Self Seeds,
Showy Seed Heads
Bloom Time
Early Summer,
Summer
Flower Color
Pink Flower,
Red Flower,
White Flower,
Yellow Flower
Uses
Beds and Borders,
Container
Style
Cottage Garden
Seasonal Interest
Spring Interest
Type
Perennials

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