Q.outdoor planting
Is the Crown of Thorns plant one that can be planted outdoors in Zone 8/9?

kh0001
Answered on June 17, 2016
No. The Crown of Thorns Plant needs average temperatures of between 65-75 F. (18-24 C.) degrees Fahrenheit, and it can only withstand lows as 50 F. (10 C.). This article may help you:
https://www.gardeningknowhow.com/houseplants/crown-of-thorns/crown-of-thorns-houseplant.htm
Was this answer useful?
00