Change your potting soil annually
Once a year change the soil in all your office plants to renew the nutrients in the soil. If the roots are in a tight tangle, it's a sign that you need to upgrade to a bigger pot.
Plant Tips and Tricks
Handy Dandy pH Tester
Indoor plants have their own preferences for acidity and alkalinity of soil. It is measured as the soil's pH value, and ranges from 0-14. A pH7 value is neutral, a higher number than 7 is alkaline, and a lower number than 7 is acidic. You can find out your soil's pH with a pH Soil Tester; easilly purchased at any plant store.
Thirsty Plants
Similar to us humans, plants require more water when they are in a higher temperature, or when the light is stronger where the plant is placed. It’s always important to remember that the same two plants might require different watering schedules, even if they’re only on opposites sides of the room.
Be Kind to Your Neighbor
Consider your coworkers. One man's favorite flower is another man's enemy, so take the allergies and sensitivities of your coworkers and clients into consideration. Gardenias, for example, have a lovely smell but cause many people to develop headaches