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 21 to 30 of 54 total
Brown spots with yellow edges on plant leaves
When a plant gets Leaf Spot disease, the attacking fungus or bacteria leaves brown spots trimmed in yellow where it is feeding on the leaves. These spots may vary in shape, color, and size.  As with all other fungal and bacte... Read More
Very few houseplants should be placed in direct sun. High light refers only to bright indirect light since direct sun often burns the leaves of indoor houseplants. An area that is too hot and dry encourages Spider Mites and causes... Read More
When you select “Low Light” a list of the most adaptive plants in our database appears. These plants can live in lighting conditions too low to support any other plants in our database, but will grow faster in medium and high ... Read More
Any plant that can grow in low light grows even better in medium light, so both low and medium light plants appear on this list. To benefit from medium light, a plant should be placed directly in front of a window with a... Read More
White, fuzzy Mealy Bugs on a plant
Mealy Bugs are one of the most annoying and destructive pests that attack houseplants. These tiny sucking insects look like small pieces of cotton. When young, mealy bugs have legs and can crawl. This is the best time to treat an ... Read More
Product use to treat plant pests and diseases
Neem Oil is a natural oil made from the pressed seeds and fruits of Neem Trees. Organic, non-poisonous insecticides and pesticides made from neem oil are excellent alternatives to toxic chemicals when treating houseplant pests and... Read More
Pepper sprays are a great natural way to get rid of houseplant pests. Peppers and even some herbs contain the chemical “capasaicin.” Capasaicin can be found in paprika, chili peppers, cayenne pepper, dill, and red & black ... Read More
Some indoor and outdoor plants are grown from bulbs. Plant Bulbs, swollen underground stems with scaley leaves, store food and provide energy for the plants we see above ground. They are also used for propagation. Bulbs should... Read More
Leaves that are slender, narrow, and do not have a leaf blade are called needles.... Read More
Here are a few fun & easy projects to teach children how plants grow. Do plants use water? Fill jar with water & add food coloring. Place celery stalk or white daisy in jar. As transpiration occurs, water is absorbed &... Read More
Showing Terms 21 to 30 of 54 total