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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) — pink and red flowers in the garden; hollyhocks typically grow to an impressive height ranging from 6 to 8 feet, image 98
Hollyhock (Alcea Rosea) — green base from which the tall stalks emerge; it is essential to provide ample space between plants, image 60
Hollyhock (Alcea Rosea) — Hollyhocks thrive in full sun and prefer well-drained; reaching up to 5-8 feet tall
Hollyhock (Alcea Rosea) — reaching up to 5-8 feet tall; the plant is renowned for its towering spires adorned with a profusion of colorful blooms, image 127
Hollyhock (Alcea Rosea) — each flower spanning an average of 3 to 5 inches across; scientifically known as Alcea rosea, image 112
Hollyhock (Alcea Rosea) — each flower spanning an average of 3 to 5 inches across; scientifically known as Alcea rosea, image 62
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 66
Hollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals; perennial for full, image 54
Hollyhock (Alcea Rosea) — perennial for full; which ensures their presence in the garden year after year, image 75
Hollyhock (Alcea Rosea) — Hollyhocks typically grow to an impressive height ranging from 6 to 8 feet; its large, showy blossoms appear in a variety, image 108
Hollyhock (Alcea Rosea) — Hollyhocks thrive in full sun and prefer well-drained
Hollyhock (Alcea Rosea) — Plant in well-drained soil at 18-24 inch intervals
Hollyhock (Alcea Rosea) — and yellow.<br><br>Blooming from mid-summer to early fall
Hollyhock (Alcea Rosea) — It attracts pollinators and adds vertical interest to borders or as a background plant; is an eye-catching herbaceous, image 80
Hollyhock (Alcea Rosea) — green base from which the tall stalks emerge; it is essential to provide ample space between plants, image 110
Hollyhock (Alcea Rosea) — The plant is renowned for its towering spires adorned with a profusion of colorful blooms
Hollyhock (Alcea Rosea) — The plant is renowned for its towering spires adorned with a profusion of colorful blooms; perennial with pink and red, image 61
Hollyhock (Alcea Rosea) — which can span up to 8 inches in diameter; green base from which the tall stalks emerge, image 109
Hollyhock (Alcea Rosea) — It is essential to provide ample space between plants
Hollyhock (Alcea Rosea) — Hollyhocks typically grow to an impressive height ranging from 6 to 8 feet
Hollyhock (Alcea Rosea) — and yellow.<br><br>Blooming from mid-summer to early fall; but they also attract beneficial pollinators such as bees and, image 114
Hollyhock (Alcea Rosea) — to help promote air circulation and prevent rust; it attracts pollinators and adds vertical interest to borders or as a background
Hollyhock (Alcea Rosea) — It attracts pollinators and adds vertical interest to borders or as a background plant; is an eye-catching herbaceous perennial that
Hollyhock (Alcea Rosea) — each flower spanning an average of 3 to 5 inches across; scientifically known as Alcea rosea
Photographs by 12 contributors

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