Helianthus tuberosus
- Common name(s): Jerusalem Artichoke, Sunroot, Sunchoke, Topinambour
- Blooming time: late summer to fall
- Blooming colors: yellow
- Height: up to 3 m
- Origin: North to Central America
- Hardiness zone (USDA): Z4 – up to -28 °C
- Family: Asteraceae