How to Fertilize Your Jungle Jack's Plumeria There isn’t a whole lot of mystery when it comes to fertilizing plumeria, but there aresome myths and misconceptions. For example, many sites recommend a high phosphorus percentage (that’s the middle number in the N-P-K formula) for better blooming. This is not true or even essential, and while additional phosphorus will enhance bloom quality; it will not make the plant bloom. In fact, too much phosphorus is detrimental. (Unfortunately, even our…