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Winter at the U.S. Capitol
Winter on the U.S. Capitol Grounds can be frigid, but there is still beauty to behold throughout the historic landscape. The season kicks off in the Christmas holiday spirit with good cheer and vibrant décor. As cold temperatures settle in, the graceful limbs of barren trees cleave the sky while occasional snowfall and ice blanket the grounds in glistening splendor.
        
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    Part of the Grant Memorial in front of the U.S. Capitol Dome in Washington, D.C.

Part of the Grant Memorial in front of the U.S. Capitol Dome in Washington, D.C.

What can visitors see and do in winter?

Trees and Blooms of Interest

Several species of trees — whether deciduous or evergreen — offer winter wonder for visitors to enjoy:

Witch Hazel (Hamamelis virginiana) blooms in late winter.
	American Holly (Ilex opaca) features glossy green leaves and bright red fruits, which American Robins love to feast on.
	American Beach (Fagus grandifolia) has a smooth, light gray bark.
	Burr oak (Quercus macrocarpa) is deeply ridged with corky twigs. In fall, it features the largest acorn of any oak in North America.
	Old cherry trees on the West Front of the U.S. Capitol feature large, gnarly trunks.
	Giant Sequoia feature dense, coarse evergreen foliage.
	London Plane tree (Platanus x acerifolia) has a distinctive camouflage pattern with patches of green, cream and brown exfoliating bark.Also, look for late winter blooms in the U.S. Capitol Grounds' perennial collection such as Hellebores, Forsythia and Camellias.

Season's Greenings Exhibit

This annual holiday show at the U.S. Botanic Garden opens* on Thanksgiving Day and runs through New Year's Day. It features a collection of Washington, D.C., landmarks made from plant materials, a model train show, one of the largest indoor decorated trees in the area and a large display of poinsettia varieties.

Capitol Christmas Tree

An evening stroll on the Capitol grounds during Christmas time wouldn’t be complete without stopping to admire the shimmering lights and approximately 5,000 handmade ornaments covering the towering U.S. Capitol Christmas Tree.

The U.S. Capitol Christmas Tree with ornaments in front of the Dome.

The U.S. Capitol Christmas Tree with lights on. National Mall in the distance.

The U.S. Capitol Christmas Tree during the day with ornaments in front of the Dome, and at night with lights on and the National Mall in the distance.


Mounted on the West Front of the U.S. Capitol, the Architect of the Capitol (AOC) lights the tree every evening from early December through New Year's Day.

Sledding on Capitol Hill

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    Visitors sledding on the snow at the U.S. Capitol in 2018.Occasionally, it snows enough that young and old alike look to Capitol Hill for sledding opportunities. At the discretion of the AOC, sometimes a section of the West Front of the Capitol grounds is opened to the public for sledding during daylight hours (dawn to dusk). When this happens, we provide tips to ensure safe, fun sledding that is also respectful of the historic nature of the Capitol grounds.

Presidential Inauguration

Every four years in January the United States government inaugurates a president. The Presidential Inauguration is a major undertaking and historic occasion that draws huge public crowds and global media attention.

View of the presidential inauguration platform and guests at the U.S. Capitol.

Employees of the Architect of the Capitol pause to stand in front of a flag during inauguration set up.

View of the presidential inauguration platform and guests at the U.S. Capitol; Employees of the Architect of the Capitol pause to stand in front of a flag during inauguration set up.


The AOC erects the inaugural platform on the Capitol's West Front, sets up the necessary seating and fencing on the grounds, and coordinates other preparations with the Joint Congressional Committee on the Inaugural Ceremonies (JCCIC).

What does the AOC work on in winter?

While winter grips the U.S. Capitol Grounds, sending flora and fauna into dormancy and hibernation, hardy Capitol Grounds and Arboretum staff continue the difficult work of maintaining the grounds while also keeping them accessible and safe for congressional staff and visitors.

Tree Care

Trees are a major feature of the U.S. Capitol Grounds and continue to reflect Frederick Law Olmsted's original landscape design, a vision which drives all landscaping decisions on the grounds today. As "living witnesses to history," many of the trees on the grounds are gifted, memorial or commemorative trees that bear special plaques identifying their species and their historic significance.

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    Detail of a tree on the U.S. Capitol's West Front during winter.The AOC's arborists prune trees throughout the year for their health as well as for the safety of people and property below. Winter pruning offers a chance to prune for proper, healthy and strong tree structure. Additionally, winter pruning is often preferred for some species for a number of reasons including reduced likelihood of pathogenic infestation to pruning activities.

Mulching Trees and Shrub Beds

Plenty of mulching is performed by Capitol Grounds and Arboretum crews in winter, especially around newly planted trees and shrubs. Among its important duties, mulch insulates the soil to provide a buffer from extreme temperatures; retains water to keep roots moist; prevents soil compaction; and keeps weeds out to help prevent root competition.

Snow Plowing and Salting

When winter storms bring snow and ice, grounds crews mobilize to tackle an arduous task: clearing — and keeping clear — about 18.5 miles of sidewalks, 8.5 miles of streets and drives, and more than 20 acres of parking lots and plazas.

A member of the U.S. Capitol Grounds and Arboretum team clears snow in front of the Supreme Court Building.

A member of the Architect of the Capitol team removed snow with a smile.

Architect of the Capitol team members clear snow in front of the Supreme Court Building.


Throughout the course of any storm, the AOC coordinates and shares information with the U.S. Capitol Police as well as the District Department of Transportation. Five hundred tons of rock salt and 20 tons of deicer are on hand to spread on roads, sidewalks and steps before winter storms strike.

About the U.S. Capitol Grounds

The U.S. Capitol Grounds are comprised of approximately 286 acres, including the U.S. Capitol, Senate and House office buildings, the Capitol Power Plant and Union Square. The Capitol Grounds and Arboretum jurisdiction of the AOC is responsible for both the day-to-day maintenance of the U.S. Capitol Grounds and the preservation of a significant historic landscape and accredited arboretum originally designed by Frederick Law Olmsted. In addition, every aspect of caring for the Capitol campus follows rigorous environmentally sustainable practices.

For an easy and on-the-go reference to all that the U.S. Capitol Grounds have to offer, download the Capitol Grounds app to your phone. Explore the interactive map, photos, audio clips, historic details and more. Visit the Apple Store or Google Play to download the app today! Serve. Preserve. Inspire.

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