A rare fossil plant reveals how early plants moved water and food, helping to explain the secrets of tree growth.

Question: We would like to grow tall sunflowers. What varieties grow well here and what care is needed? Answer: Many sunflower varieties are available to grow 10 to 12 feet tall. Some claim to grow ...

I recently had to take out my 10-foot tripod Hasegawa pruning ladder to take a picture of a flower blossom while standing on the top step. The flower, a black-eyed Susan, stood 9 feet, 3 inches tall ...