Tropicals & Tender Perennials: Curious growth differences on draceana, 1 by nomosno

nomosno wrote:
Hi all

I planted these dracaenas about 4 years ago and when I planted them they were equal in size, really small plants in 1/2 gallon pots each. By now the left one is about twice as tall as the right one and the middle one is about twice as tall as the left one, in addition it sports a new growth from the bottom.

As if it weren't strange enough, the leaves of the tallest plant look really bad with these yellow spots all over.

If anyone has any explanation for the size differences I would like to hear it. Also if you could ID the plants themselves, thanks. And finally, what are the spots from? Apparently whatever causes them does not harm the plant at all, maybe it makes it grow faster???