For optimal feng shui, place the bamboo in a shady spot where you want to invite more blessings for good luck and harmony, such as on the counter of your business place or the living room of your home. In Asia, people commonly tie red ribbons around the stalks of the lucky bamboo plant during the Chinese New Year and place it on a special table together with other auspicious objects, like the golden ingot.
I see your concern, because Wood controls the Earth element in the Northeast. First, I would check whether your plants are really in the Northeast. You’ll need to divide your floor plan into 8 pieces, according to the 8 cardinal directions. If they’re really in the Northeast, you can either (1) place smaller plants and/or (2) introduce some fire element to weaken the wood energy.
The colors that you choose for your walls are also important in feng shui for offices, and they will ultimately depend upon the line of work that you are in. For example, if you work in a medical office or an environment in which you will be greeting anxious clients, you should use calming colors, such as blue or green, on the walls. Businesses that are fast-paced and environments that deal with a lot of deadlines can also cause you to become frazzled, so you want to use calming colors on the walls rather than white, which can be a stressful color choice. And to build positive relationships with clients in a professional business setting, you should employ earth tones, such as terra cotta.
In the picture above you will notice everything is organized and filed away. As little as possible is on top of the desk but a plant was added to improve the air quality and fulfills the prosperity corner of your desk. The right side of your desk should have some room for a little creativity whether it is a notepad or a list of ideas. You can read about the ultimate feng shui desk guide here but in summary the desk layout touches on the following Feng Shui energy & flow areas:
Get rid of the nonessentials in every cranny—this includes those drawers you rarely open. Clutter (even the clutter that's hidden away) keeps your work feeling stuck. This includes digital clutter and scheduling clutter, too! You may want to try to spend time every day looking over your schedule and visualizing what’s to come, clearing away or canceling anything that’s unnecessary, and preparing for the day to flow more smoothly.