This Glossary is a list of terms and words relating to plants. Read information and see  pictures about plant pests, diseases, propagation methods, clean air plants, poisonous houseplants, bonsai techniques, and helpful plant products. You can explore the Glossary as a list, or link to these terms from various plant detail pages. See Entire Glossary
Showing Terms 1 to 5 of 5 total
A hardiness zone is a geographically defined area in which certain types of plants can grow as defined by climatic conditions, including their ability to withstand the minimum temperatures of the zone. The hardiness zones are help... Read More
Herb Gardens are becoming more popular as people realize how many uses there are for these small treasures. There are annual herbs for cooking such as: basil, dill, & savory and perennial herbs such as mint, rosemary, thyme, &... Read More
A bulb is that part of a plant that contains the tender shoots of a new plant. Many flowering plants such as tulips, hyacinths, and lilies are propagated by bulbs. The energy a new plant needs to develop is stored in the bulbs. Th... Read More
Humidity refers to the amount of water vapor in the air and is not easily controlled. The good news is that although many houseplants prefer high humidity (50-70%), most manage to do quite well in the 20-60% humidity found in our ... Read More
Hydroponics is a type of hydroculture and is a way to grow various types of plants in water, without any soil, and with the addition of mineral nutrient solutions. All kinds of plants may be grown with their roots in the mineral n... Read More
Showing Terms 1 to 5 of 5 total