Betula nigra ‘Heritage

Grows quickly into a medium-sized, graceful tree with drooping branches. The trunk is whitish-silverwhen young and retains this color when older. The bark is flaky. Young twigs are reddish-brown with dark lenticels. The leaf is shiny and deep green, turning yellow in autumn. Heritage’ flowers early.

Nyssa sylvatica

It is the autumn color that has made the tree so popular. In the autumn, the tree turns exceptionally beautiful in dark red, orange, and sometimes yellow hues. The color depends on the type of soil.

Alnus glutinosa ‘Laciniata’

A sometimes multi-stemmed, medium-height tree. Apart from its graceful leaves, the tree has a lovely growth habit with slightly drooping twigs.  In the autumn, it the leaves stay on the tree for a long time.

Betula albosinensis ‘Fascination’

The width of the tree is then about 6 m. The broad pyramidal crown consists of many thin, limp, overhanging twigs that are reddish-brown in color. The bark is a beautiful dark red color and flakes off at a young age. The leaf edge is double serrated. Fascination’ sprouts early in spring and in autumn the leaves turn golden yellow.

Quercus phellos

The leaves are narrow lanceolate to sometimes lineate and closely resemble those of the willow. On the upper side it is dark green, the underside is blue-green. In areas where the leaves fall off in winter, the autumn color is light yellow.

The herb layer on the parking deck resembles the herb layer in the green canal and at ground level. Because the parking deck is not connected to the groundwater, the plants for the very wet conditions have been changed to species that are better suited to the conditions on the roof. In addition, there is more diversity in the various plants, resulting in more flowering and nutrition for insects.