Boston ivy, Parthenocissus tricuspidata, Close-up detail of red autumn leaves.

Boston ivy, Parthenocissus tricuspidata, Close-up detail of green leaves turning red and yellow in autumn.

Boston ivy, Parthenocissus tricuspidata, growing across a bricked up window on a New York apartment block.

Boston ivy, Parthenocissus tricuspidata growing across a dilapidated window and air conditioning unit on a New York apartment block.

Boston ivy, Parthenocissus tricuspidata.

Boston Ivy, Parthenocissus tricuspidata.

Boston Ivy, Parthenocissus tricuspidata.

SwampLily, Crinum americanum.

Cactus, Pincushion cactus, Mammillaria microhelia.

Cactus, Echinopsis.

Tulip, Tulipa.

Dandelion clock, Taraxacum officinale.

Cherry, Wild Cherry, Prunus avium.

Grape, Vitis vinifera.

Kiwi, Golden kiwi, Actinidia deliciosa.

Poppy, Californian poppy, Eschscholzia californica.

Fern, Maidenhair fern, Adiantum raddianum.

Rose, Rosa.

Rose, Rosa.