Dumb Cane Too Tall. You can even keep the top and root the stem to grow yourself a new plant learn how to propagate dieffenbachia in the section below. When dumbcane stems get too tall or you don t like the look of the bare stems cutting them back can rejuvenate growth.
In a pot dumb canes don t get nearly as tall but they can still be impressively sized accent plants in your home. If your dumb cane has grown tall and leggy you can top the plant or cut it back anywhere on the stem. You can even keep the top and root the stem to grow yourself a new plant learn how to propagate dieffenbachia in the section below.
Stems should be cut with a sharp clean knife on a 45.
If your dumb cane has grown tall and leggy you can top the plant or cut it back anywhere on the stem. After a few years your dumb cane plant may lose its lower leaves and begin to look tall leggy and ungainly. New leaves will grow just below the place you made the cut. How to propagate your dumb cane plant.