There are many healing plants that can thrive in sandy soil and can help address a wide range of potential diseases. Here are a few suggestions: 1. Echinacea: Echinacea is a flowering plant that is known for its immune-boosting properties. It can be used to help prevent and treat colds, flu, and other respiratory infections. 2. Calendula: Calendula is a bright, cheerful flower that has anti-inflammatory and antiseptic properties. It can be used to soothe and heal skin irritations, such as cuts, burns, and rashes. 3. Chamomile: Chamomile is a gentle, calming herb that can be used to ease anxiety, promote relaxation, and help with sleep. It can also be used as a natural remedy for digestive issues, such as bloating, cramps, and indigestion. 4. Lavender: Lavender is a fragrant herb that has a wide range of healing properties. It can be used to ease anxiety and promote relaxation, as well as to treat headaches, menstrual cramps, and other types of pain. 5. Lemon balm: Lemon balm is a lemon-scented herb that is known for its calming and soothing properties. It can be used to ease anxiety and promote relaxation, as well as to treat cold sores and other types of viral infections. 6. St. John's Wort: St. John's Wort is a flowering herb that is commonly used to treat mild to moderate depression. It can also be used to relieve nerve pain and reduce inflammation. 7. Peppermint: Peppermint is a refreshing herb that can be used to soothe digestive issues, such as bloating, gas, and nausea. It can also be used to treat headaches and other types of pain. Remember, even though these plants are natural remedies, it's still important to consult with a healthcare professional before using them, especially if you have any pre-existing medical conditions or are taking medication.