Rare or exotic Plumeria cultivars can often be found through specialty nurseries, horticultural societies, and collectors who specialize in unique and rare varieties. Plant expos, botanical gardens, and Plumeria enthusiast events are also excellent places to encounter rare cultivars and connect with collectors and enthusiasts who may be willing to share or trade cuttings. Additionally, online forums and social media groups dedicated to Plumeria are valuable resources for finding information about rare cultivars and connecting with other collectors who may have access to these prized varieties.