How big does a pineapple plant get and when does it fruit? Majesty Palm Plant for Indoors Nothing makes you realize how big a ponytail palm can get until it's time to repot one. Fresh soil, a bigger pot, and a whole lot of lifting later this giant is Crissie Bird's Nest Fern Plant Detectives Yellow leaves on Christmas Palms (Adonidia merrillii) or Foxtail Palms (Wodyetia bifurcata) in Southwest Florida are fairly common and can be caused by several factors. Here's a breakdown of possible causes and