|Bougainvillea used as a landscape shrub in Bullhead City, Az, USA||a|
A. Wait until about March 1 and see if there is any winter damage from freezing. Then decide. If there is, cut it back close to the ground and let it regrow again.
|Bougainvillea will regrow after damage quickly on established roots from year to year. As long as the winter temperatures were not cold enough to damage the roots and crown. Mulch the plant during winter months if you think it will freeze.|