Hollyhock
Alcea Rosea
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.

Culture
- Sun
- Full
- Water
- Medium
- USDA zones
- 3–10
Shape & size
Classification
- Family
- Malvaceae
See full data, regional cultivation notes, full-resolution photos, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (130)
























Related plants

Blacknight Hollyhock
Alcea Rosea 'Blacknight'
Full · Zones 3–10

Thuringian Mallow
Lavatera Thuringiaca
Full · Zones 8–10

Red Mallow
Pavonia Missionum
Full · Zones 7–11

Giant Turk's Cap, Wax Mallow
Malvaviscus Arboreus
Full · Zones 9–10

Tree Mallow
Lavatera Maritima
Full · Zones 8–10

Thompson Flowering Maple
Abutilon Pictum 'Thompsonii'
Half · Zones 9–10