Some varieties may be a little less tolerant of full sun, but this will not usually hurt the blooming process. It can be attributed to nutrient deficiencies, or moisture issues if water collects in the area. This article will help you start determining what could be the problem: https://www.gardeningknowhow.com/ornamental/shrubs/rose-of-sharon/rose-of-sharon-not-blooming.htm
Answered on June 4, 2019
Was this answer useful?00
Looking for more?
here are more questions about...Rose Of Sharon Plants