All plants require light, moisture and nutrients and these can vary by plant. Therefore it is important to manage these needs for specific types of plants. Care instructions may come with the plant. If so, just follow those instructions.
If no instructions are provided, here are some general tips:
When introducing a new plant, it is a good idea to keep it in a separate location away from your other plants until you are sure it is free of disease and pests.
As with tropicals, desert plants need light, water, and nutrients each of which can vary depending on the plant.