Yes, Planet Desert is a legitimate online store that specializes in selling cacti and succulents. The store has received positive reviews from customers, who have praised the quality of the plants, the reasonable prices, and the prompt shipping. Planet Desert offers a satisfaction guarantee, providing a full refund or exchange for up to 14 days after purchase. However, they are not currently shipping internationally as they are waiting for certification. It's always recommended to do your own research before making a purchase.