The Glossary explains the meaning of different terms we use when talking about how to grow and care for plants. You can read information and see pictures about plant pests, diseases, propagation methods, clean air plants, poisonous houseplants, bonsai techniques, and helpful plant products. The Glossary can be accessed from  the link below or you can link to these terms from the plant detail pages. See Entire Glossary
Showing Terms 1 to 10 of 54 total
black, yellow, green, and brown Aphids.
Aphids, often called plant lice, are tiny soft-bodied pear shaped insects that can be black, yellow, green, or brown. Aphids are often inconspicuous until large colonies have formed. Unlike most insects, Aphids are mostly female, ... Read More
Black spots on plant leaves from Black Spot Disease
Black Spot Plant Disease (Diplocarpon rosae) is a type of plant fungus. The Black Spot disease moves from the lowest leaves of a plant upward causing leaf drop and black spots with round perforated edges. Plants badly affected wit... Read More
Green Bonsai Plant
Bonsai is an artistic method of growing plants and trees in small containers; the technique originated in Asia hundreds of years ago. Bonsai literally means tray planting. The object of a Bonsai Plan is to create an artistic combi... Read More
Spider Plant-Long, narrow, green and white, draping striped leaves
A study sponsored by NASA concluded that houseplants are able to clean the air of harmful chemical toxins such as benzene, formaldehyde, and trichloroethylene. We have known for quite a while that plants remove carbon dioxide from... Read More
Mushy stems, brown & black spots of Crown Rot Disease
Crown, Stem, and Root Rot are fungal diseases caused by humid warm conditions, wet leaves, soggy soil, and poor air circulation. Infected plant develops mushy stems, brown or black spots indicating dead plant tissue, and unhealthy... Read More
DriWater is a gel-like product that automatically provides moisture for plants for up to 30 days-40 days. The amount of time the product works depends upon the room temperature, size & type of plant, location of plant,and type... Read More
Plants need fertilizer only when they are actively growing. Slow growing plants in low light require very little plant food. Too much fertilizer is worse than not enough. Most plants prefer a water soluble plant food at 1/2 the re... Read More
Fungicides are chemical compounds used to kill or stop the growth of fungal diseases on plants. Fungus can cause serious damage to your houseplants. The following plant diseases are the result of fungal infections: black spot, bot... Read More
This small dark skinny pest flies and jumps around plants and people driving us all crazy. Fungus gnats develop in moist potting soil, feeding on root hairs and emerging as adults every 30 days. The best way to get rid of fungus g... Read More
Botrytis, or gray mold as it is commonly called, is a fungus that attacks the leaves, flowers, stems, and rhizomes of house plants. It first appears as a round brown or gray spot that gradually turns into a mass of fuzzy gray spor... Read More
Showing Terms 1 to 10 of 54 total