According to relevant information, it is illegal. Flowers are national second-class endangered protected plants. According to Article 344 of the Criminal Law of People's Republic of China (PRC), those who illegally cut or destroy plants under special state protection, or illegally purchase, transport, process and sell plants under special state protection and their products, or illegally purchase, transport, process and sell plants under special state protection in precious trees or other countries, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention. If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined. It is best to go to the local official website to check the first-hand authoritative information.