What do you mean someone left wormwood in front of your house?

People put wormwood on your doorstep, expressing the hope that wormwood can protect your health and bring you good luck. Wormwood is a common geomantic plant, which is usually hung on doors or walls to resist the invasion of bad energy and drive away mosquitoes. In addition, wormwood also means to get rid of old bad luck and bring good luck. Therefore, when others leave wormwood at your door, they can express their hope that you can keep healthy and safe and bring you good luck.