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Hollyhock

Alcea Rosea

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Overview

Alcea rosea, or Hollyhock, is an ornamental biennial known for its towering presence, reaching up to 5-8 feet tall. Its large, showy blossoms appear in a variety of colors from July to September, flourishing in full sun. Plant in well-drained soil at 18-24 inch intervals. It attracts pollinators and adds vertical interest to borders or as a background plant. Hardy to USDA zone 3.

Sun FullWater MediumZones 3–10Type Perennial

Hollyhock (Alcea Rosea) — Hollyhocks typically grow to an impressive height ranging from 6 to 8 feet; its large, showy blossoms appear in a variety of colors

Culture

Sun: Full
Water: Medium
USDA zones: 3–10

Shape & size

Classification

Type: Perennial
Family: Malvaceae

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Photos (150)

Hollyhock (Alcea Rosea) — green base from which the tall stalks emerge

Hollyhock (Alcea Rosea) — which can span up to 8 inches in diameter; green base from which the tall stalks emerge

Hollyhock (Alcea Rosea) — which ensures their presence in the garden year after year; is an ornamental biennial known for its towering presence, image 122

Hollyhock (Alcea Rosea) — which ensures their presence in the garden year after year

Hollyhock (Alcea Rosea) — is an ornamental biennial known for its towering presence

Hollyhock (Alcea Rosea) — The range of colors is broad, image 88

Hollyhock (Alcea Rosea) — perennial with pink and red blooms

Hollyhock (Alcea Rosea) — Hollyhocks are biennial or short-lived perennials; to help promote air circulation and prevent rust, image 96

Hollyhock (Alcea Rosea) — Hollyhocks are biennial or short-lived perennials; to help promote air circulation and prevent rust, image 121

Hollyhock (Alcea Rosea) — It attracts pollinators and adds vertical interest to borders or as a background plant

Hollyhock (Alcea Rosea) — scientifically known as Alcea rosea; and yellow.<br><br>Blooming from mid-summer to early fall, image 81

Hollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals; perennial for full, image 104

Hollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals; perennial for full

Hollyhock (Alcea Rosea) — Hollyhocks are biennial or short-lived perennials; to help promote air circulation and prevent rust, image 71

Hollyhock (Alcea Rosea) — reaching up to 5-8 feet tall

Hollyhock (Alcea Rosea) — Its large, showy blossoms appear in a variety of colors from July to September, flourishing in full sun

Hollyhock (Alcea Rosea) — each flower spanning an average of 3 to 5 inches across

Hollyhock (Alcea Rosea) — perennial with pink and red blooms; hollyhocks thrive in full sun and prefer well-drained, image 124

Hollyhock (Alcea Rosea) — each flower spanning an average of 3 to 5 inches across; scientifically known as Alcea rosea, image 87

Hollyhock (Alcea Rosea) — scientifically known as Alcea rosea; and yellow.<br><br>Blooming from mid-summer to early fall

Hollyhock (Alcea Rosea) — green base from which the tall stalks emerge; it is essential to provide ample space between plants, image 85

Hollyhock (Alcea Rosea) — is an ornamental biennial known for its towering presence; plant in well-drained soil at 18-24 inch intervals, image 76

Hollyhock (Alcea Rosea) — The plant is renowned for its towering spires adorned with a profusion of colorful blooms; perennial with pink and red, image 111

Hollyhock (Alcea Rosea) — It is essential to provide ample space between plants; they are hardy in USDA zones 3 to 8, tolerating a wide range of, image 117

Photographs by 15 contributors

Urraca Fitten, CC BY 4.0 · source
Salicyna, CC BY-SA 4.0 · source
Rudolphous, CC BY-SA 4.0 · source
Ewen Cameron, CC BY 4.0 · source
Swallowtail Garden Seeds from Santa Rosa, CC BY 2.0 · source
Anastasiia Merkulova, CC BY 4.0 · source
Nicole Michel, CC BY 4.0 · source
Tandoğan ORUZ, CC BY 4.0 · source
Roland zh, CC BY-SA 3.0 · source
grey_moss, CC BY 4.0 · source
Dezidor, CC BY 3.0 · source
James St. John, CC BY 2.0 · source
Agnieszka Kwiecień, Nova, CC BY-SA 4.0 · source
C T Johansson, CC BY 3.0 · source
Andrey Sdobnikov, CC BY 4.0 · source

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