This video walkthrough of African Violet Society of America (AVSA) design competition shows a wide variety of container gardens and a judge's comments.
4-H youth can use these ideas to inspire fair projects. Remember that AVSA rules and judging are different from the fair book.
You can experiment with any factor you think might affect how a plant grows. The most common are light, temperature, soil, and water. The lists below show examples of ways we can change these factors for our houseplants. Some people are curious about other factors too: Do plants grow faster when you play music?
Fluorescent light
LED light
Grow light
North window
South window
below 60 degrees Fahrenheit
61 - 65 degrees Fahrenheit
66 - 68 degrees Fahrenheit
above 69 degrees Fahrenheit
below 60 degrees Fahrenheit
61 - 65 degrees Fahrenheit
66 - 68 degrees Fahrenheit
above 69 degrees Fahrenheit
City water
Well water
Bottled drinking water
Distilled water
Adjust pH
Click the image to play a video explaining controlled experiments. Youth in grades 7-13 can a try this Khan Academy lesson for more detail.
Are you ready to start an experiment? Contact a Leader if you need more help getting started!