Assertion: swamp sunflower | /r/HasProperty | angustifolius
Facets:
Source sentences:
text: A few perennial varieties do exist, however, including the Maximillian sunflower (Helianthus maximilliani) that grows in U.S. Department of Agriculture plant hardiness zones 3 through 9, and the swamp sunflower (Helianthus angustifolius) found in USDA zones 6 through 9.
text: Varieties like the swamp sunflower (Helianthus angustifolius) produce much smaller flowers that resemble daisies, while some branching sunflowers like the Helianthus debilis 'Key Lime Pie' have blooms that cast a greenish tint.
text: A Florida native sunflower that grows in low wet areas throughout the state, but also performs well in landscapes is the Swamp Sunflower (Helianthus angustifolius).