Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.

Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.

Grape Hyacinth, Muscari.

Grape Hyacinth, Muscari.

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.

Grape, Vitis vinifera.

Grape, Vitis vinifera.

Grape Hyacinth, Muscari.

Grape, Vitis vinifera.

Grape Hyacinth, Muscari.

Grape Hyacinth, Muscari aucheri 'Dark eyes'.