Floral Certification Practice Test

Filtered bright light is generally considered the most beneficial for growing orchids because it provides the optimal balance of light intensity and duration that these plants require for healthy growth and blooming. Orchids, particularly the popular types like Phalaenopsis, thrive under bright light conditions but can get easily harmed by direct sunlight, which can scorch their leaves.

Filtered light allows adequate brightness without the damaging effects of unfiltered sun. This can be achieved through the use of sheer curtains or by placing the plants in areas where they receive indirect light. It replicates the natural environment of orchids, which typically grow in the understory of forests where dappled sunlight reaches them.

Low light may not provide enough energy for orchids to photosynthesize effectively, leading to poor growth and fewer blooms. Meanwhile, direct bright light can produce too much heat and light intensity, potentially leading to leaf burn or other stress symptoms. Lastly, while fluorescent light can be suitable for growing orchids, relying solely on this type of lighting doesn't fully leverage the benefits of filtered bright light that many orchids thrive in.