Meadowlark Botanical Gardens are botanical gardens and an event venue located at 9750 Meadowlark Gardens Court, Vienna, Virginia, 22182. They are open daily except for major holidays and ice; an admission fee is charged. Photography is allowed when a proper reservation has been made, additional fees paid and pass issued. Details regarding photography access are available in writing only at the above address, and can not be described over the telephone or Internet.The property is operated by the Northern Virginia Regional Park Authority. A significant structure, the Atrium, is used as a wedding and event venue. The gardens aspect of the property features three ponds, two gazebos, an island bridge, more than twenty varieties of cherry trees, aquatic plants, an azalea collection, a fern and hosta collection, an herb garden, a lilac garden, and perennials. They also contain three native plant collections as part of the International Agenda for Botanic Gardens in Conservation: Potomac Valley Collection – plants native to the Potomac River basin. Virginia Native Tree Collection – native trees for use in a home setting, including Asimina triloba, Carpinus caroliniana, Chionanthus virginicus, Magnolia virginiana, Ostrya virginiana, and Quercus lyrata. Virginia Native Wetland – A small wetland with local trees including Betula nigra, Liquidambar styraciflua, Nyssa sylvatica, Platanus occidentalis, Salix nigra, Taxodium distichum; aquatic plants such as Acorus calamus, Nymphaea odorata, Pontederia cordata, Sagittaria latifolia; and shoreline plants including Carex spp., Cyperus spp., Equisetum hyemale, Iris versicolor, Lobelia cardinalis, Myrica pensylvanica, Sarracenia purpurea, and Typha latifolia.