The tree form, or "standard," offers height; the bush form covers
space. Leaves that turn black and drop off signals that the soil has
stayed too moist. The tips of these plants will wrinkle if they have
gotten too dry.
They grow wildly, but it is easy to keep them shaped by either tip
pruning or removing whole stem sections. It is O.K. to get radical, it
will grow back.
The tree form, or "standard," offers height; the bush form covers
space. Leaves that turn black and drop off signals that the soil has
stayed too moist. The tips of these plants will wrinkle if they have
gotten too dry.