Acer negundo
1881, the director of the Riga City Gardens and Parks Georg Kuphaldt expanded the park territory considerably by transferring areas of city squares and the front part of the bordering territory belonging to the Greek Orthodox Seminary. In the newly expanded garden, Kuphaldt installed flower parterres and exotic trees and bushes such as: Gleditschia triacanthos (Honey locust), Dimorphantus mandschuricus Maxim (Japanese angelica tree), Aesculus rubicunda Lois, Fagus silvatica (Copper beech), Fagus asplenifolia (Fernleaf European beech), Fagus folis atropurpureis, Acer negundo (American maple), Acer negundo foliis variegatis, Robinia pseudoacacia (Black locust), Magnolia obovata (Japanese bigleaf magnolia), Magnolia yulan (Lily tree), Bignonia catalpa (Herb linn), Pterocarya caucasica (Caucasian wingnut), Prunus laurocerasus (Cherry laurel), Aucuba japonica (Spotted laurel), Buxus sempervirens (European box), Buxus arborescens (Boxwood tree), Ilex aquifolium (European holly), Ilex laurifolia, Berberis aquifolium (Oregon grape), Rhododendron catawbiense, Yucca flamentosa (Adam's needle yucca), Hedera helix (Common ivy).