Illegally importing Plumeria or any prohibited or restricted plants can result in significant penalties and consequences. These penalties may include fines, confiscation of the plants, and potential legal action. Importing plants without the required permits or phytosanitary certificates can lead to severe disruptions in the agricultural and ecological systems of the US. To avoid legal issues and ensure compliance, it’s essential to follow all the necessary regulations and obtain the appropriate permits before importing Plumeria into the US.