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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
Hollyhock (Alcea Rosea) — and yellow.<br><br>Blooming from mid-summer to early fall; but they also attract beneficial pollinators such as bees and butterfliesHollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals; perennial for full, image 129Hollyhock (Alcea Rosea) — Its large, showy blossoms appear in a variety of colors from July to September, flourishing in full sun; usually around, image 128Hollyhock (Alcea Rosea) — to help promote air circulation and prevent rust; it attracts pollinators and adds vertical interest to borders or as a, image 94Hollyhock (Alcea Rosea) — scientifically known as Alcea rosea; and yellow.<br><br>Blooming from mid-summer to early fall, image 106Hollyhock (Alcea Rosea) — They are hardy in USDA zones 3 to 8, tolerating a wide range of temperatures once established+143

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) — Hollyhocks typically grow to an impressive height ranging from 6 to 8 feet; its large, showy blossoms appear in a variety of colors
Hollyhock (Alcea Rosea) — and yellow.<br><br>Blooming from mid-summer to early fall; but they also attract beneficial pollinators such as bees and butterflies
Hollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals; perennial for full, image 129
Hollyhock (Alcea Rosea) — Its large, showy blossoms appear in a variety of colors from July to September, flourishing in full sun; usually around, image 128
Hollyhock (Alcea Rosea) — to help promote air circulation and prevent rust; it attracts pollinators and adds vertical interest to borders or as a, image 94
Hollyhock (Alcea Rosea) — scientifically known as Alcea rosea; and yellow.<br><br>Blooming from mid-summer to early fall, image 106
Hollyhock (Alcea Rosea) — They are hardy in USDA zones 3 to 8, tolerating a wide range of temperatures once established
Hollyhock (Alcea Rosea) — perennial for full; which ensures their presence in the garden year after year, image 125
Hollyhock (Alcea Rosea) — Hollyhocks are biennial or short-lived perennials; to help promote air circulation and prevent rust
Hollyhock (Alcea Rosea) — The range of colors is broad, image 38
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 temperatures
Hollyhock (Alcea Rosea) — usually around 18 to 24 inches
Hollyhock (Alcea Rosea) — is an ornamental biennial known for its towering presence; plant in well-drained soil at 18-24 inch intervals, image 51
Hollyhock (Alcea Rosea) — usually around 18 to 24 inches; pink and red flowers in the garden
Hollyhock (Alcea Rosea) — The range of colors is broad, image 63
Hollyhock (Alcea Rosea) — Its large, showy blossoms appear in a variety of colors from July to September, flourishing in full sun; usually around, image 78
Hollyhock (Alcea Rosea) — pink and red flowers in the garden; hollyhocks typically grow to an impressive height ranging from 6 to 8 feet
Hollyhock (Alcea Rosea) — They are hardy in USDA zones 3 to 8, tolerating a wide range of temperatures once established; which can span up to 8, image 116
Hollyhock (Alcea Rosea) — is an ornamental biennial known for its towering presence; plant in well-drained soil at 18-24 inch intervals, image 126
Hollyhock (Alcea Rosea) — They are hardy in USDA zones 3 to 8, tolerating a wide range of temperatures once established; which can span up to 8 inches in
Hollyhock (Alcea Rosea) — is an eye-catching herbaceous perennial that can bring a touch of old-fashioned charm to any landscape design; hollyhocks, image 82
Hollyhock (Alcea Rosea) — is an eye-catching herbaceous perennial that can bring a touch of old-fashioned charm to any landscape design; hollyhocks, image 107
Hollyhock (Alcea Rosea) — usually around 18 to 24 inches; pink and red flowers in the garden, image 93
Hollyhock (Alcea Rosea) — to help promote air circulation and prevent rust
Photographs by 11 contributors

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