The arboretum is renowned for a vast collections of Rhododendrons, Daylilies, Box and Peony plants as well as many other rare species and varieties of trees and shrubs.
It lies within the protected area of Niemcza-Strzelin Hills that administratively belongs to Niemcza commune in the Dzierżoniów district.
The vicinity of Niemcza is formed by longitudinal ranges of the Gumińskie, Dębowe and Krzyżowe Hills with a varied geological structure cut by gentle ravines and gorges.
He became an owner of 150 ha (370 acre) property in Wojsławice, with a romantic park created in 1821 by von Aulock family.
Alongside his wife – Bertha von Oheimb - he began remodeling of the park, constantly acquiring new plant species.
At the site of the local quarry a permanent exhibition of various Lower Silesian rocks is being presented 2020 was a year when a Polish Millennial Garden was officially opened for a public display.
In May Rhododendrons and Azaleas are in bloom, accompanied by numerous species of Pieris, Enkianthus, Leucothoe, Kalmia and Calluna.
Lavender and butterfly bushes attract swarms of butterflies and insects; large flowered-clematis and shrub hibiscus add color to a magnificent spectacle of mid summer In autumn perennial borders are dominated by multi-colored grasses, stonecrops, tickseeds, windflowers and purple coneflowers.
Additionally, Millennial Garden is a place of ex-situ conservation of endangered, threatened and protected plant species .
Established conservation sites include species such as: Rosa gallica, Linum austracum, Allium ursinum, Dictamnus albus, Gladiolus palustris.