First Day of Spring

The March equinox happens on March 20, 2023 at 5:24 PM EDT This falls on a Monday and is the astronomical beginning of the spring season in the Northern Hemisphere and the autumn season in the Southern Hemisphere.

Earth Day 2023

Every year on April 22, Earth Day marks the anniversary of the birth of the modern environmental movement in 1970. Today, Earth Day is widely recognized as the largest secular observance in the world, marked by more than a billion people every year as a day of action to change human behavior and create global, …

Earth Day 2023 Read More »

Arbor Day 2023

CELEBRATE ARBOR DAY   National Arbor Day is April 28, 2023. Mark the occasion by participating in a local planting event in your area, walking in a local park and appreciating everything trees do for us, or making a donation to have more trees planted in areas where they're needed most.

National Public Garden Days

Washington National Cathedral 3101 Wisconsin Avene NW, Washington, DC

Go Public Gardens! Go Public Gardens is an ongoing, evergreen American Public Gardens Association initiative to drive the public to visit, value, and volunteer at public gardens in their area and …

National Public Garden Days Read More »

National Pollinator Week

Pollinator Week is an annual celebration in support of pollinator health that was initiated and is managed by Pollinator Partnership. It is a time to raise awareness for pollinators and spread the word about what we can do to protect them. Pollinators are often keystone species, meaning that they are critical to an ecosystem. The …

National Pollinator Week Read More »

First Day of Summer

The first day of summer arrives with the solstice on Wednesday, June 21, 2022 at 10:58 a.m. EDT.


All Hallows Guild was founded in 1916 to provide for the care and beautification of the grounds of Washington National Cathedral. The Guild works closely with the horticultural staff to preserve this historic landscape and raises funds for renovation and renewal of the gardens.


  • (202) 537-2937
  • 3101 Wisconsin Ave NW
    Washington, DC 20016


You’ll see what’s new in the gardens and learn about our upcoming events by subscribing to our monthly email newsletter.

Scroll to Top