When Do Oleanders Bloom?

Oleanders flower from early summer until mid-autumn with large clusters of 2-inch single or double blossoms. Colors range from pure white through pale-yellow, peach, salmon and pink to deep burgundy red. Some varieties (mostly doubles) are fragrant.

What month do oleanders flower?

Flowering occurs in late summer (July to October) on new shoots of the current season's growth, so prune in late winter or early spring. Gloves should be worn when pruning as the sap is potentially harmful.

How many times a year does the oleander bloom?

From Top to Bottom. Although its typical bloom season is summer through early fall, oleander may bloom year-round in frost-free areas within U.S. Department of Agriculture plant hardiness zones 8 through 10. Flowers are fewer and produced less often in cooler weather.