Angelica, Angelica archangelica.

Silk tree, Albizia julibrissin, Detail of seedpods growing outdoor on the plant.

Roxbury russet apple, Malus x Roxbury Russet, White blossoms growing on the tree outdoor.

Bois chavanon, Northern catalpa, Catalpa speciosa, Detail of tree growing outdoor.

Bois chavanon, Northern catalpa, Catalpa speciosa, Detail of seedpods growing outdoor on the tree.

Redwood, National Dawn redwood, Metasequoia glyptostroboides National, Tree in fall colours.

Dogwood, Flowering dogwood, Kousa Dogwood, Cornus kousa, Detail of plant with red coloured fruit growing outdoor.

China FIr, Blue-needled china fir, Cunninghamia lanceolata Glauca, Detail of the spiky plant growing outdoor.

Sweet gum, American sweetgum, Liquidambar styraciflua, close up of the green buds growing outdoor.

Sweet gum, American sweetgum, Liquidambar styraciflua, close up of the green buds growing outdoor.

Tulip tree, Liriodendron tulipifera, Yellow and peach coloured flowers growing outdoor.

Silk tree, Albizia julibrissin var rosea, Pink flowers growing outdoor.

Savin juniper, Juniperus sabina, Bent over branches of the tree growing outdoor.