Tall Sunflower
Helianthus giganteusAsteraceae — Aster family
Native
![Tall Sunflower](/images/helianthus_giganteus.jpg)
Nottingham County Park (PA)
September 2006
![Tall Sunflower](/images/helianthus_giganteus_2.jpg)
Stroud Preserve (PA)
September 2013
Guide to Helianthus of Delaware
Search Google • Delaware • USDA
Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.