Bougainvillea varieties suitable for northern planting

There are many varieties of bougainvillea suitable for planting in the north. The first kind is small leaves, which have certain cold tolerance, low price and good skin quality, and beginners can also plant them. The second is bright red leaves, which can resist the low temperature of about 0 degrees, and take protective measures to make the ground planting safely overwinter; The third is pictorial. In addition, there are snow purple, snow white, Eva calomel, apple blossom, Singapore white, double orange, double pink, lemon yellow, easy crystal and so on.