How big they are: The smallest plants, known as desmids and picozoa, are single-celled algae that are less than 0.0004 inches ...

According to an HGTV tutorial, in Ikebana, flowers are arranged in odd numbers only and by height to create depth in a small area. The first flower is tallest; the second is three-quarters the height ...

Starting plants from seed can be tedious and frustrating if it doesn't go well. So, it's important to avoid these mistakes ...