May in Bloom: Discover the Magic of the National Arboretum’s Azalea Collection

When it comes to springtime beauty in Washington D.C., few places rival the breathtaking display found at the U.S. National Arboretum in May. While tourists flock to the National Mall and the Smithsonian museums, locals and savvy travelers know that one of the city's most enchanting experiences lies just a few miles off the beaten path. At the heart of the Arboretum’s spring spectacle is the Azalea Collection, an unforgettable riot of color that transforms the wooded hillsides into a dreamlike garden.

If you're visiting D.C. in May, the National Arboretum should be at the top of your list—and here's why.

A Hidden Floral Wonderland

Established in 1927, the U.S. National Arboretum is a 446-acre oasis tucked in Northeast Washington D.C. It’s a living museum of trees, shrubs, and flowers dedicated to botanical research and public enjoyment. Among its many features, the Azalea Collection stands out as a seasonal highlight that draws nature lovers, photographers, and curious visitors from around the country.

Every May, over 15,000 azalea plants burst into bloom along the winding slopes of Mount Hamilton. The effect is mesmerizing—imagine rolling hills covered in clouds of pink, lavender, fuchsia, crimson, and snow-white blossoms. The combination of color, fragrance, and serenity offers a multi-sensory experience that few city parks can match.

The Best Time to Visit

Timing is everything when it comes to witnessing peak bloom. Typically, the azaleas begin to flower in late April and reach their full glory in the first two weeks of May. Since bloom dates can vary depending on weather patterns, it's a good idea to check the Arboretum's website or social media channels for real-time updates before your visit.

To avoid crowds and have the trails mostly to yourself, consider visiting early in the morning on weekdays. The light is also perfect for photography during these hours, bathing the flowers in a soft golden glow. If weekends are your only option, arriving before 10 a.m. is your best bet for a peaceful experience.

What to See and Do

The Azalea Collection is located in the Glen Dale Hills section, a peaceful area where winding paths, stone steps, and canopy trees create a natural maze. Some of the azaleas on display date back to the 1940s and 1950s, carefully cultivated by researchers to create vibrant hybrid varieties. It’s not just a garden—it’s a living laboratory of American horticultural innovation.

In addition to azaleas, you can also visit the National Bonsai & Penjing Museum, which showcases miniature trees that are hundreds of years old. The Capitol Columns, a series of Corinthian columns originally intended for the U.S. Capitol, offer a dramatic and unexpected photo backdrop. Don’t forget the Fern Valley Trail, a shady escape lined with native plants and a bubbling stream.

Pack a light picnic, bring plenty of water, and don’t forget your camera—you’ll want to capture every moment.

A Perfect Experience for All Ages

Whether you're visiting Washington D.C. with kids, friends, a partner, or on your own, the National Arboretum offers something for everyone. Families can enjoy a relaxed stroll and even bring their pets (on leashes), while couples can find romantic nooks among the blossoms for quiet moments. Seniors and anyone looking for a calm, slow-paced outdoor experience will appreciate the wide, walkable paths and peaceful setting.

Even for locals, a visit in May feels like discovering a secret garden tucked inside the capital. For first-time tourists, it’s a chance to see a completely different side of Washington—one that's green, blooming, and full of quiet beauty.

Getting There Without the Stress

Despite its wonders, the National Arboretum isn't directly accessible by Metro, and public parking can be limited during peak bloom. That’s where DC Tours comes in.

Whether you're staying at a hotel downtown or in the suburbs, DC Tours provides comfortable, safe, and convenient transportation to Washington’s hidden gems—including the National Arboretum. Our professional drivers handle all the logistics so you can sit back, relax, and enjoy the scenery.

Want to make it a full day of floral and cultural exploration? We offer customized routes that can include the Botanic Garden, Tidal Basin, Kenilworth Aquatic Gardens, and more—all in one itinerary. You’ll never have to worry about traffic, directions, or parking.

Why Choose DC Tours?

We’re not just a ride—we’re your local guide to the best of D.C. Our mission is to help you experience the capital with ease, comfort, and insider access. Whether you're here for the weekend or planning a longer trip, we’ll tailor the journey to your interests and schedule.

Traveling in a group? No problem. Our spacious vans and buses are perfect for family outings, school trips, senior excursions, or photography clubs. Prefer something private and intimate? We’ve got luxury car options for that, too.

Spring only comes once a year—don’t miss the chance to see Washington in full bloom. The National Arboretum’s Azalea Collection is calling.

Ready to Bloom with Us?

Let DC Tours make your spring visit unforgettable. Book your tour today and experience the colors of May the way they’re meant to be seen—up close, stress-free, and with the people who know D.C. best.

May in Bloom: Discover the Magic of the National Arboretum’s Azalea Collection

When it comes to springtime beauty in Washington D.C., few places rival the breathtaking display found at the U.S. National Arboretum in May. While tourists flock to the National Mall and the Smithsonian museums, locals and savvy travelers know that one of the city's most enchanting experiences lies just a few miles off the beaten path. At the heart of the Arboretum’s spring spectacle is the Azalea Collection, an unforgettable riot of color that transforms the wooded hillsides into a dreamlike garden.

If you're visiting D.C. in May, the National Arboretum should be at the top of your list—and here's why.

A Hidden Floral Wonderland

Established in 1927, the U.S. National Arboretum is a 446-acre oasis tucked in Northeast Washington D.C. It’s a living museum of trees, shrubs, and flowers dedicated to botanical research and public enjoyment. Among its many features, the Azalea Collection stands out as a seasonal highlight that draws nature lovers, photographers, and curious visitors from around the country.

Every May, over 15,000 azalea plants burst into bloom along the winding slopes of Mount Hamilton. The effect is mesmerizing—imagine rolling hills covered in clouds of pink, lavender, fuchsia, crimson, and snow-white blossoms. The combination of color, fragrance, and serenity offers a multi-sensory experience that few city parks can match.

The Best Time to Visit

Timing is everything when it comes to witnessing peak bloom. Typically, the azaleas begin to flower in late April and reach their full glory in the first two weeks of May. Since bloom dates can vary depending on weather patterns, it's a good idea to check the Arboretum's website or social media channels for real-time updates before your visit.

To avoid crowds and have the trails mostly to yourself, consider visiting early in the morning on weekdays. The light is also perfect for photography during these hours, bathing the flowers in a soft golden glow. If weekends are your only option, arriving before 10 a.m. is your best bet for a peaceful experience.

What to See and Do

The Azalea Collection is located in the Glen Dale Hills section, a peaceful area where winding paths, stone steps, and canopy trees create a natural maze. Some of the azaleas on display date back to the 1940s and 1950s, carefully cultivated by researchers to create vibrant hybrid varieties. It’s not just a garden—it’s a living laboratory of American horticultural innovation.

In addition to azaleas, you can also visit the National Bonsai & Penjing Museum, which showcases miniature trees that are hundreds of years old. The Capitol Columns, a series of Corinthian columns originally intended for the U.S. Capitol, offer a dramatic and unexpected photo backdrop. Don’t forget the Fern Valley Trail, a shady escape lined with native plants and a bubbling stream.

Pack a light picnic, bring plenty of water, and don’t forget your camera—you’ll want to capture every moment.

A Perfect Experience for All Ages

Whether you're visiting Washington D.C. with kids, friends, a partner, or on your own, the National Arboretum offers something for everyone. Families can enjoy a relaxed stroll and even bring their pets (on leashes), while couples can find romantic nooks among the blossoms for quiet moments. Seniors and anyone looking for a calm, slow-paced outdoor experience will appreciate the wide, walkable paths and peaceful setting.

Even for locals, a visit in May feels like discovering a secret garden tucked inside the capital. For first-time tourists, it’s a chance to see a completely different side of Washington—one that's green, blooming, and full of quiet beauty.

Getting There Without the Stress

Despite its wonders, the National Arboretum isn't directly accessible by Metro, and public parking can be limited during peak bloom. That’s where DC Tours comes in.

Whether you're staying at a hotel downtown or in the suburbs, DC Tours provides comfortable, safe, and convenient transportation to Washington’s hidden gems—including the National Arboretum. Our professional drivers handle all the logistics so you can sit back, relax, and enjoy the scenery.

Want to make it a full day of floral and cultural exploration? We offer customized routes that can include the Botanic Garden, Tidal Basin, Kenilworth Aquatic Gardens, and more—all in one itinerary. You’ll never have to worry about traffic, directions, or parking.

Why Choose DC Tours?

We’re not just a ride—we’re your local guide to the best of D.C. Our mission is to help you experience the capital with ease, comfort, and insider access. Whether you're here for the weekend or planning a longer trip, we’ll tailor the journey to your interests and schedule.

Traveling in a group? No problem. Our spacious vans and buses are perfect for family outings, school trips, senior excursions, or photography clubs. Prefer something private and intimate? We’ve got luxury car options for that, too.

Spring only comes once a year—don’t miss the chance to see Washington in full bloom. The National Arboretum’s Azalea Collection is calling.

Ready to Bloom with Us?

Let DC Tours make your spring visit unforgettable. Book your tour today and experience the colors of May the way they’re meant to be seen—up close, stress-free, and with the people who know D.C. best.