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Plant profile

Tulip Poplar

Liriodendron tulipifera

This tree was here before humans, and it’s still one of our best.

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Highlights

Tulip poplars are magnificent native trees known for their striped, vibrant spring flowers and flower-shaped leaves. In the fall, their leaves transform into a rich buttery yellow. These fast-growing giants can reach over 100 feet and live 200+ years. They are also ancient trees, dating back to the time of dinosaurs. Plant a tulip poplar, and it will return generations of beauty and food for pollinators. Scroll on for planting tips.

Gorgeous striped flowers on a tulip poplar in the spring

The tulip poplar (Liriodendron tulipifera) is an incredible native tree that really needs to have its own festival season. (As mentioned elsewhere on The Plant Native…why do we have cherry blossom festivals but not redbud or tulip poplar festivals?!) This tree is a gem worth considering when looking for a beautiful and fast-growing addition to your yard.

Is tulip poplar right for my yard?

Plant it if…

Skip it if…

Where is tulip poplar native?

Native to 27 US states, Washington, D.C., and 1 Canadian province (Ontario)

Native range
Not native

Sources: NatureServe, Royal Botanic Gardens, Kew (World Checklist of Vascular Plants) and the USDA PLANTS Database, compiled by The Plant Native. How we map native ranges

Tulip poplar is native throughout much of the eastern United States, from southern New England and New York down to Florida. It reaches west through the Midwest to Wisconsin and Missouri, and as far as eastern Texas. You can see the state-by-state record at NatureServe Explorer.

It is also native to Ontario, making it one of two Magnoliaceae species native to Canada. The other is cucumber magnolia (Magnolia acuminata).

This is a HUGE native range

From Ontario to Texas is quite the range! You can imagine that the DNA of a tulip poplar from Texas will differ from that of a tulip tree from Massachusetts.

Botanists writing in the International Journal of Plant Sciences surveyed 144 tulip poplars across the eastern United States and found the DNA shifting from region to region. And that’s just the DNA we can measure!

Provenance is a secret gardening tip

Planting a tree from one region in a completely different region is why some garden plants fail. For example, ordering a tulip poplar online from a Texas-based company and planting it in Massachusetts might seem convenient, but the cold New England winters could doom the tree to failure.

This happens because plants have micro-level differences in their DNA adapted to specific regions. In the case of the tulip poplar, these adaptations result from thousands of years, even millions of years, of evolutionary fine-tuning. A plant’s location-specific preferences are often referred to as its provenance.

Perhaps you don’t have time to remember botanist vocab. We get it. Here’s a silly rhyme to help remember plant provenance:

Tulip poplars have roots that stretch back to the time of the dinosaurs, making them more than just beautiful: they’re a reminder of the ancient world right in our backyards.

Why tulip poplar matters

Why is it called tulip poplar?

Its common name is tulip poplar, given to it not because of its striking flowers but because of its leaves. Tulip poplar’s unique leaves look like tulip flowers, hence the name. These leaves turn a beautiful golden yellow in the fall, making them a favorite among many homeowners and landscapers. In the spring, the tree blooms with yellow and green tulip-shaped flowers, which makes it a great source of nectar for bees and other pollinators.

Tulip shaped leaves on a tulip poplar in the fall

These majestic trees provide a living link to Earth’s distant past. Tulip poplars have roots that stretch back to the time of the dinosaurs, making them more than just beautiful: they’re a reminder of the ancient world right in our backyards.

Tulip poplars have been found in fossils. It’s fascinating to think that some plants have been around for millions of years. Tulip poplars are one of these ancient plants. Scientists have found tulip poplar relatives as far back as the Cretaceous period. Only two tulip tree species have survived today: one is our beloved North American native and…

There is only one other tulip tree around, and it’s in Asia

The tulip poplar is unique among trees. The next closest tulip-y tree that exists in the world is the Chinese tulip tree (Liriodendron chinense), which shares quite a few similarities but is native to the other side of the globe.

Tulip poplars are related to magnolias, another gorgeous flowering tree with nine native species.

Tulip poplars provide for wildlife

Planting a tulip poplar won’t just be a benefit for you. Tulip poplars provide for a variety of wildlife. Birds like to nest in its branches, and nectar from the flowers is a hummingbird favorite. Tulip poplar is also a host plant for a variety of butterflies and moths, including the eastern tiger swallowtail (Papilio glaucus), tulip-tree beauty (Epimecis hortaria), cecropia silkmoth (Hyalophora cecropia), and most notably: the tulip-tree leafminer moth (Phyllocnistis liriodendronella) and tulip-tree silkmoth (Callosamia angulifera). The leafminer moth and silkmoth are named for the tulip poplar, or tulip tree, because they feed from it almost exclusively. The tulip-tree silkmoth will occasionally branch out to other plants in the family Magnoliaceae, but it relies heavily on the tulip poplar to feed its caterpillars. Without these trees, we would not have these moths.

And finally, tulip poplars are the state tree of three states

Tulip poplars are beloved, even at the government level. Tulip poplars are the state tree of Indiana, Kentucky, and Tennessee.

Tulip poplar throughout the seasons

Spring

Mature tulip poplars bloom with yellow and green tulip-shaped flowers. In the largest of trees, these flowers put gardens high up in the tree canopy.

Summer

The flowers drop but the leaves stay, providing ample shade, keeping yards cool on hot summer days.

Fall

The leaves turn a beautiful golden yellow, adding to the fall color show.

Tulip poplar seed heads silhouetted on bare winter branches

Winter

You would think this tree’s beauty would go dormant in the winter, but it still offers something to admire. After the leaves drop, the flower remnants remain. Set against an overcast winter sky, it becomes a sculpture garden filled with birds.

Where tulip poplar shines in your yard

How to grow tulip poplar

Where to plant

Tulip poplars can grow up to 150 feet tall, so make sure you have enough space to plant them. They also need well-draining soil and full or part sun to thrive, so be sure to plant them in a spot that receives plenty of sunlight.

When to plant

According to the USDA’s plant guide for tulip poplar, you can plant it “from spring to early fall if adequate water is available.” It is also recommended to plant larger trees in spring, so keep the size of your tree in mind when deciding when to plant.

Spacing

Tulip poplar needs space, so give it 24 to 60 feet to grow. If you can provide even more, all the better.

Beginner tip

When transplanting your tulip poplar, root pruning is helpful in ensuring its success while establishing. Pruning the roots can encourage more vigorous root growth, which can lead to better success in the long run. To properly prune the roots, use sharp tools and cut roots less than an inch in diameter to avoid damaging the tree. When pruning, keep the fleshy roots from drying out.

Watering

When freshly planted, water it thoroughly to help it settle in. However, once established, the rain should be enough to sustain your tulip poplar. It can handle the occasional dry period, but give it some extra water if it goes on too long.

Planting card

Tulip Poplar

Liriodendron tulipifera

What pairs well with tulip poplar?

Pair tulip poplars with shrubs, smaller trees, and flowers that thrive in the same light. Some examples include:

Native flower pairings

Where can I buy a tulip poplar?

You would think that a tree that has been around for millions of years would be easy to find. Sadly, like most native plants, finding a tulip poplar can take a little digging. To make things easier, we’ve compiled four trusted sources where you can reliably find a tulip poplar:

Potential challenges with tulip poplar

Looking up the thick, furrowed trunk of a towering tulip poplar
Tulip poplars grow to be 100+ feet tall

These are BIG trees

The US Department of Agriculture describes them as “among the tallest broadleaf trees in eastern US forests.”

Tulip poplars will reach heights of 150 feet with a trunk up to 5 feet wide. This can provide a challenge when it comes to using them in the landscape. The root systems are also typically shallow, which may limit the selection of plants you can add nearby. However, this impressive height makes them a perfect choice for your front lawn. If you need something smaller, cultivars like ‘Arnold’ or ‘Little Volunteer’ provide the tulip poplar experience in a more petite package.

Pests and diseases

Tulip poplars are moderately resistant to pest and disease problems, but there are some major ones we think you should know about. In terms of pests, yellow-poplar weevil (Odontopus calceatus), tuliptree scale (Toumeyella liriodendri), and tuliptree aphids (Illinoia liriodendri) are the three most common concerns. The yellow-poplar weevil feeds on the leaves and buds, and its larvae mine the leaves. It generally won’t kill the tree, but it can cause early leaf drop and make things look messy. Tuliptree scale and aphids are sap-sucking insects: aphids feed on the leaves, while scale settles on the twigs and branches. Both leave behind a sticky substance known as honeydew, which can attract other insects to the feeding party. Honeydew can also lead to sooty mold, a black fungus that grows on the sticky film.

In order to protect your tulip poplar, there are a few things you can do. First, avoid overfertilizing. You might think you’re helping the tree grow, but your kindness will create a breeding ground for pests. As long as you add a bit of compost, fertilizer will be unnecessary. Second, try to only prune dead or dying branches. The wounds left from pruning can create a pathway for pests and disease, as well as wood rot. If you keep these things in mind, and your tree stays in good health, the pests won’t become a problem.

Salt spray

Road salts can have a negative impact on plant health. A build-up of salt in the soil can reduce the availability of nutrients that plants rely on. Most importantly, this can affect the uptake of potassium, a nutrient that is vital to plant health. Salts can also affect the way moisture flows through the soil. Salt retains moisture, which can reduce the drainage ability of the soil. At the same time, this water cannot be taken up by plants either, and water may even be drawn out of the roots. Finally, too much salt can burn off root hairs, which will prevent any water from being absorbed by the plant.

Tulip poplar is especially sensitive to the effects of salt spray, so make sure to plant it away from roads or walkways where de-icing salts might be used. A distance of 60 feet away from the roadside is ideal.

A note on cultivars and related species

Tulip poplars have a decent number of cultivars. Some are more compact varieties, which may be ideal if you have less space to work with. Others change the appearance of the leaves, adding patterns and different colors. We’ve listed some of the most popular cultivars below:

FAQs

Is there a difference between a tulip tree and a tulip poplar?

No, they are both common names for the same plant, Liriodendron tulipifera. This can sometimes make searching for plants confusing, since different regions may use different names for the same plant. This is why scientific names exist, though this doesn’t mean you have to start learning Latin in order to find the plant you want. In this case, searching either name will show you the same plant.

How long does it take for a tulip poplar to flower?

On average, a tulip poplar needs to be 20 years old before it flowers. But all that patience pays off for generations: it will continue to flower for the next two centuries. (There are some native tulip poplars believed to be almost 500 years old.)

How fast do tulip poplars grow?

The tulip poplar is a fast-growing tree. In the right conditions, it can grow up to 2–3 feet per year. Planting trees can often feel like a slow process (but it’s always worth it). With tulip poplars, you can enjoy their beautiful appearance and benefits in a relatively short amount of time.

Is a tulip tree a good yard tree?

Yes. Tulip poplar is featured in our guide to The Best Native Trees for Front Yards. It is a large statement tree that can help add variety to your lawn. It can also provide shade for outdoor activities during the summer months.

Can a tulip tree be kept small?

Sort of. According to NC State Extension, it is possible to encourage a more shrub-like habit through “coppic[ing] by cutting it to the ground every two or three years.” However, this takes more work than simply letting it grow, and wounds from pruning can lead to wood rot and disease. Instead, we suggest a dwarf cultivar like ‘Arnold’ or ‘Little Volunteer.’

Are tulip tree roots invasive?

Generally, native plants are referred to as ‘aggressive’; the term ‘invasive’ is usually reserved for non-native species. However, the laterally spreading roots can make it difficult to plant anything else nearby. When combined with the fast growth rate of the tulip poplar, it can outcompete other trees that grow more slowly. Overall, tulip poplar is not invasive, but potentially aggressive.

The tulip poplars at Boboli Gardens in Florence have been admired for hundreds of years

Plant nerd fact

You might spot a tulip poplar in Florence, Italy.

European botanists discovered tulip poplars in North America in the 1600s and shipped them back to Europe to be planted in parks and gardens.

In her excellent book Botanica North America, Marjorie Harris writes, “It’s an astonishing sight to visit one of the major Italian gardens, the Boboli in Florence, and see a massive tulip tree in full May bloom.”

The tulip poplar is a stunning tree that is perfect when you have lots of space for a statement tree. Its unique appearance, fast growth, and ability to thrive in the right conditions make it a great choice for any yard or park. Consider the tulip poplar if you’re looking for a shade tree or want to add some visual interest to your yard. If you’re interested in other flowering native trees, visit our Beginner’s Guide to Native Magnolias, Beginner’s Guide to Native Dogwoods, or our profile of the undersung bird favorite, hackberry. Happy planting!

Sources

Similar plants

Written by

Emily Lessard & Kat William Hiland

Founder & Editor · Contributor

Emily Lessard is the founder and editor of The Plant Native. Kat William Hiland is a contributor studying horticulture at Temple University; their favorite flower is any species of magnolia.

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