In winter, plants will benefit from a grow light. These colorful begonias are prized for their red, green, purple, or silver ...

The green in the leaves from May to October is created by a pigment called chlorophyll. Chlorophyll helps plants produce energy through photosynthesis, the process plants use to convert sunlight into ...

A leaf is filled with chambers illuminated by gathered light. In these glowing ... every forest would be a thick film of green life. The battles among plants have changed their stems and their ...