It is best to grow a plant in the daytime. Plants need sunlight to grow. The energy they receive from sunlight is turned into food for the plant through photosynthesis. If a plant receives no sunlight, it will make no food and then die.
About this Author
Aileen Clarkson has been an award-winning editor and reporter for more than 20 years, earning three awards from the Society of Professional Journalists. She has worked for several newspapers, including "The Washington Post" and "The Charlotte Observer." Clarkson earned a Bachelor of Arts in journalism from the University of Florida.