Scientific Name: Helianthus tuberosus
Common Name: Jerusalem artichoke
Family Name: Asteraceae
Origin: Canada - eastern, U.S. - northeast
Hardiness Zone: Zone 4: (-34 to -29 °C)
Plant Type: Herbaceous perennial, Invasive plant
Mature Size: 2 - 3m x 0.6 - 1.0m (height x width)
Habit: Upright
Form: Pyramidal - narrowly
Texture:
Landscape Uses: Fall interest, Herb, Perennial border, Urban agriculture
Exposure: Full sun
Soil or Media:
Leaves: Simple, Opposite, Soft flexible, Pubescent, Oblong, Ovate, Dentate
Flowers: Head (capitulum), Yellow, Oct
Fruit: Achene, Brown, Black
Key ID Features:
Leaves on the lower stem are broad ovoid-acute, up to 30cm long, rough texture and hairy; flowers heads yellow, 5–10m wide, with 10–20 ray florets.