Zinnia Flower Growing Season. While zinnias arent particularly picky about their soil they do prefer it to. Do so by pulling the petals from the center of each flower.
Start seeds in potting soil and peat pots about a month before the last frost. Plant zinnias in full sun. Native to Mexico there are 18 species and hundreds of cultivated forms which are grown as annual bedding plants.
Jun 20 2017 To have blooms from early summer to frost Michigan State University Extension suggests dead heading zinnias.
Plant zinnias in full sun. It is a single-petaled species with round petals and white pink and orange flowers. Apr 17 2021 Zinnia is a genus of flowering annuals in the aster family Asteraceae that can be grown in USDA Hardiness Zones 3 through 10. Angustifolia and is a species of whooping cormorant.