Can Bougainvillea Survive Winter

Bougainvillea is hardy to United States Department of Agriculture zones 9 to 11. It can withstand a light freeze but deep freezes will kill the roots. In areas below those zones, a bougainvillea in winter should be kept in containers and moved indoors. … That way you won’t take a chance on disturbing the roots.

What is the lowest temperature a bougainvillea can tolerate?

In temperatures below 40 degrees Fahrenheit, the bougainvillea leaves and bracts may wilt. In temperatures below 32 degrees Fahrenheit, damage is much more likely. The extent of the damage depends on the length of time the plant stays below 32 degrees Fahrenheit and how far temperatures drop.

Should I cover my bougainvillea in winter?

Temperatures lower than 40 degrees Fahrenheit can quickly kill a bougainvillea, so keeping it inside during the winter is the easiest way to winterize the plant. … The plant goes dormant in the winter; it remains alive, but it doesn’t need leaves to gain nutrients from the sun.