The gardens are open daily in the warmer months; an admission fee is charged.

The gardens were initially laid out circa 1850 by Count Joseph von Trauttmansdorff (1788-1870) during the castle's restoration.

[1] Today, the castle grounds contain about 80 dedicated gardens with local and exotic plants, organized by region of origin, including typical landscapes of South Tyrol.

Principal features of interest include: The gardens also contain Aesculapian Snakes in their natural habitat, courtesy of the Alpine Zoo of Innsbruck, an aviary, a Japanese alluvial forest, rice terraces, and tea plantations.

Media related to Botanical gardens in Merano at Wikimedia Commons