General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 9a
Plant Height: 5-6 feet
Plant Spread: 2-3 feet
Flowers: Showy
Flower Color: Purple
Bloom Size: 4"-5"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Squirrels
Drought tolerant
Propagation: Seeds: Provide light
Sow in situ
Start indoors
Other info: Outdoors, will self-seed. Indoors, provide light. Sow in 2" pots, lightly cover with potting mix. Kept at 70-75° F., germination is in 14-28 days. Can direct sow into prepared seed beds in groups of 3-4 seeds, 2-3 ft. apart. Thin to strongest plant.
Containers: Not suitable for containers
Miscellaneous: Tolerates poor soil

Image
Trade name information:
Series: Spotlight™
Trade Name: Blacknight
Cultivar name: 'Blacknight'
Common names
  • Hollyhock

« Add a new plant to the database

« The Plants Database Front Page

Today's site banner is by Versicolor and is called "Golden leafs"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.