Is bougainvillea a perennial or annual?

Bougainvillea is a perennial vine that can grow to 30 feet, depending on the variety. It needs full sun, is root hardy and will regrow in spring. Its bracts “bloom” May-December on new wood. Heavy pruning, lack of water and fertilizer low in nitrogen encourage blooming.Click to see full answer. People also ask, can bougainvillea survive 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. what is the lowest temperature a bougainvillea can tolerate? Minimum Temperature. 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. Keeping this in view, how do you keep bougainvillea over the winter? Situate the containers in a cool area but one that doesn’t freeze. Often, the garage or basement is ideal, but make sure the plant has exposure to sunlight. Part of the care for bougainvillea plants over winter is to keep them a touch on the dry side. As spring nears, gradually increase water.How do you keep bougainvillea blooming?Bougainvillea growers often withhold water for extended periods to force the plant into bloom. To stimulate blooming this way, withhold all water until the leaves begin to wilt. Then water thoroughly. For regular maintenance, water only when the soil is dry but before leaves show signs of stress.