Proper pest identification is the first step in making an integrated pest management (IPM) decision.
No matter what definition is used, weeds are plants whose undesirable qualities outweigh their good points.
Jim Sellmer, Ph.D.
Walnuts and hickories produce the chemical juglone (5 hydroxy-1,4- napthoquinone), which is exuded from all parts of the plant.
Kathy Kelley, Ph.D.
Properly selecting houseplants for purchase at a garden center or other retailer is essential if you want to take home a good, healthy plant and avoid potential problems.