Sien Orchid is a private nursery situated at Jalan Raya Ngemplak No.6 Prigen, Pasuruan, East Java. This plantation offers nice collections of orchids that visitors can enjoy and also to bring home as souvenirs.

The nursery covers 2 hectares area with approximately 10.000 orchid species, local or from other countries. The collections are displayed in International nursery exhibition. Most of the collections are new species from the plantation experiments that each species takes 10 years experiments.

One of the experiment result is Orchid Dendrobium Bali Moon, that has been registered in London.

Sien Orchid was founded by Moling Simardjo for his love of orchid, started with in 1985. Sien Orchid opens for public from 09.00 to 16.00, free of charge.