Traditional Feng Shui practitioners believe that the number of lucky bamboo stalks has meaning when put together in an arrangement, especially when given as gift. Below are some common interpretations. Despite these interpretations, almost any number of stalks in a lucky bamboo arrangement imparts luck or fortune in some way.

Meaning of Stalk Numbers

2 lucky bamboo - represents love
3 lucky bamboo - represents happiness
5 lucky bamboo - conveys good health
6 lucky bamboo - more happiness
7 lucky bamboo - seven is always thought of a lucky number
8 lucky bamboo - In Asian culture, the number 8
  conveys luck of wealth.
9 lucky bamboo - conveys
  good fortune
21 lucky bamboo -
  encompasses all (health,   happiness, wealth, and
  fortune)

Placement

Lucky bamboo placement is always a popular topic. However, there is no particularly set location that one should place a lucky bamboo arrangement. Simply choose a spot that helps balance the space. Just putting it on your desk, will immediately bring life to your workstation and
add vitality.