Rocky Mountain Zinnia. Zinnia grandiflora is a species of flowering plant in the aster family known by the common names rocky mountains zinnia and plains zinnia. Data source and documentation.
Here in southeastern arizona this plant grows in sunny open well drained. This plant dies to the ground in winter and grows back from its roots in the spring. Rocky mountain zinnia zinnia grandiflora posted by moewing on october 28 2015 october 28 2015.
Data source and documentation.
About our new maps. Its scientific name is zinnia grandiflora so it is indeed a zinnia but not like the zinnia commonly sold as a garden plant. Crassina grandiflora common names. Zinnia grandiflora is a species of flowering plant in the aster family known by the common names rocky mountains zinnia and plains zinnia.