Lavender is a versatile herb that is commonly used in courtyard herb gardens for its medicinal properties. It has a calming effect and is often used to relieve stress and anxiety. Lavender can also be used to treat insomnia and promote better sleep. Additionally, it has antiseptic and anti-inflammatory properties, making it useful for treating minor cuts and burns. The fragrant flowers of lavender can be dried and used to make sachets or potpourri.