Good morning, I have a Plumeria that is about to bloom for the first time in 5 years. I live in Zone 5 which means it is time to bring it inside to begin dormancy. Should I bring it in and put it under grow lights? I don’t want to lose the blooms. Thank you.
Plumerias should be protected when ambient temperatures are approaching the 40°F degree mark or so. They can be moved to any location where temperatures will remain warmer than that. However, the shorter days will result in less chlorophyll production and foliage will start to fall unless steps are taken. Plumerias will usually grow and flower under fluorescent tubes or energy saving bulbs, as well as under LED lamps.