Answer: Bougainvillea needs a slightly warmer winter than you experience, but you can still grow them if you give them extra care. Plant in a container and place against a south or west-facing wall where reflected heat will encourage bloom. In the winter move the pot to an area protected from cold winds and frost - under a patio roof if possible. In the spring, when the weather warms, take the plant back out into the garden. After 2-3 years the plant will be mature enough to stand cold weather without permanent damage.
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