The flower blooms April to August. The Center blooms with thousands of flowers year-round. The plant blooms from autumn to winter. Harvest of lavender blooms are typically around June. It represents the color of wisteria blooms. Depending on the climate, it blooms throughout summer into autumn. It usually blooms in spring and summer. Zinnias are easy to grow with potential heavy blooms that gush in color. This tree blooms from spring to summer. Cyanobacteria can cause toxic algae blooms and die-offs of aquatic fauna. Wild carrot blooms in summer and fall. There are many species that can cause harmful algal blooms. This plant blooms June through September. The plant typically blooms from March to May. Fertilizer runoffs have resulted in eutrophication, with large algal blooms and elevated bacterial levels.