Certified Professional Horticulturist (CPH) Practice Exam

What is an important consideration when selecting plants for a garden?

1. Seasonal color changes

2. Plant height

3. Watering needs

4. All of the above

The correct answer is: All of the above

When selecting plants for a garden, it is crucial to consider multiple factors, which is why the most comprehensive choice includes all of them. Seasonal color changes enhance the aesthetic appeal of a garden throughout different times of the year, providing visual interest and allowing for creativity in design. Plant height is another important consideration, as it influences the overall structure and layering of the garden. The height of plants affects not only their visibility but also their compatibility with surrounding plants, ensuring that taller varieties do not overshadow shorter ones, thereby impacting light availability. Watering needs play a vital role in plant selection, as different plants have varying requirements for moisture. Understanding these needs helps ensure that plants thrive in the garden's specific conditions and allows for efficient water management, which is essential for resource conservation and plant health. By considering seasonal color changes, plant height, and watering needs, along with a range of other factors, a gardener can create a well-planned, functional, and aesthetically pleasing garden.