Yes, you can eat dandelions. All parts of the dandelion plant are edible, including the yellow flowers, green leaves, and roots. The greens can be eaten raw or cooked and are nutritious, containing vitamins A, C, K, calcium, iron, and other minerals. The leaves are often added to salads, sandwiches, or cooked like other leafy greens, though they have a bitter flavor that varies by age and growing conditions. The roots can be roasted and used as a coffee substitute or eaten like root vegetables. Dandelion flowers can also be consumed raw, cooked, or made into wine or syrup. However, it is important to harvest dandelions from areas free of pesticides and pollution. People with allergies to related plants like ragweed should exercise caution. Overall, dandelions have been used historically as food and medicine and can be a healthy addition to your diet when prepared properly.