Hollyhock
Alcea rosea
Malvaceae · perennial · introduced
Last updated
Plant Profile
Size & Form
Height
7 ft
Spread
1-2 ft
Growth Rate
Fast
Site Requirements
Light
Full Sun
Soil Drainage
Moist
Soil pH
4.5-8.5
Water
Moderate
Hardiness
Zones 5a–9b
Ornamental Interest
Bloom Time
June to August
Origin
TEMPERATE ASIA: Turkey. EUROPE: Turkey,
Watch for this season
RustHigh
Uredinial Stage (Summer)
Diseases: Regionally Documented (1)
Pests: Regionally Documented (3)
Data Maturity Structured Multiple sources. Expert review underway.