Blacknight hollyhock
Alcea rosea 'Blacknight'
USDA zones3 to 9
SunNeeds full sun (6+ hours)
WaterNeeds moderate soil
Size5 to 6 feet tall12 to 24 inches wide
- Bloom season
- Summer
- Soil types
- Sand, loam, clay, chalk
- Soil pH
- Acid, alkaline, neutral
Garden uses
Attracts
Notes
'Blacknight' hollyhock (Alcea rosea 'Blacknight') is a perennial for borders and low maintenance gardens. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full sun, average moisture, and most soil types. It blooms from early to late summer and stands about 5 to 6 feet tall. Butterflies, hummingbirds, and bees visit the flowers. It sits low on the menu for deer and rabbits.
Pairs well with Ballet Slippers aloalo, Starlight tickseed, and Blue Glitter eryngium.