Fächer-Ahorn
In the rock garden proper, including trees and shrubs, were found "Tradiscantia virginiana", "Achillea lanulosa", "Pinus mugho", "Viburnum trilobum", "Acer palmatum", "Hieracium canadense", "Ulmus pumila", "Spirea vanhoutii", "Malus coronaria", "Asparagus filicina", "Robinia pseudoacacia", "Pteris" spp., "Potentilla recta", "Ranunculus acris", "Taxus cuspidata"`Hicksii', "Chelidonium majus" and "Muscari botrides".