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Umbrella magnolia flower, long creamy petals among large glossy leaves

Plant profile

Umbrella Magnolia

Magnolia tripetala

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Highlights

Umbrella magnolia is a rare, shade-loving magnolia found in the Appalachian Mountains. The leaves are large, arranged in whorls, and the pale green buds are reminiscent of a paintbrush. The flowers are creamy white, then turn into pinkish-red fruit that persists late into the fall. It is an ancient beauty with unique pollinator relationships and food for all the little critters in your yard.

Is umbrella magnolia right for my yard?

Plant it if…

Umbrella magnolia leaves, each longer than the outstretched hand held against it
These leaves are HUGE! Image © The Plant Native

Skip it if…

Where is umbrella magnolia native?

Native to 18 US states and Washington, D.C.

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

Umbrella magnolia has a large native range, stretching from the Mid-Atlantic to the south and toward the west. It naturally occurs as individual trees, as opposed to in groves, along stream banks, slopes, and in ravines. It is most commonly found in the Appalachian Mountains and has also been naturalized in some parts of the Northeast. See the full range map at the USDA PLANTS Database.

Umbrella magnolia leaves fanning out in whorls against a pale sky
Umbrella magnolia leaves look like a pocket of a tropical island. Image © The Plant Native

Even if you don’t have room for a tulip poplar, planting umbrella magnolia can still provide a home for these silkmoths.

Why umbrella magnolia matters

Due to its scattered distribution, umbrella magnolia is considered a rare tree in North America. However, its range has expanded into the Northeast, so it has been able to adapt in the face of climate change.

Though it may not be a popular plant in the eyes of big plant nurseries, umbrella magnolia is a valuable resource for a variety of wildlife. With an umbrella magnolia in your yard, the local songbirds will come by and eat the fruit in the summer and fall. It also has a unique relationship with pollinators, as it is pollinated by beetles. This is an ancient pollinator relationship that predates bees, and it’s still happening in your backyard.

Umbrella magnolias are host plants

According to the HOSTS Database, umbrella magnolia is a host plant for the tuliptree silk moth (Callosamia angulifera). While the most important host of this moth is the tulip poplar (Liriodendron tulipifera), many butterflies and moths do not limit themselves to one plant. Often, they will use related species, even an entire genus, as host plants. Liriodendron is in the magnolia family, Magnoliaceae, and only one species is native to North America. Due to their shared family, the silkmoths likely recognize umbrella magnolia as a viable host.

Even if you don’t have room for a tulip poplar, planting umbrella magnolia can still provide a home for these silkmoths.

Umbrella magnolia in a wild forest, big leaves among tall trunks
Umbrella magnolia in its native, wild habitat. Image © Kat William Hiland

Where umbrella magnolia shines in your yard

Umbrella magnolia in fall, huge leaves turned buttery yellow
Enjoy buttery yellow leaves in the fall. Image © The Plant Native

Umbrella magnolia cultivars

Due to its rarity, umbrella magnolia is not a plant with a lot of cultivars. There has been some hybrid usage, but this is mostly with non-native species. What few cultivars exist generally aren’t available at your average nursery. However, we have found a few unique cultivars to share with you:

How to grow umbrella magnolia

Where to plant

A shady, protected spot with rich soil is best. While umbrella magnolia can tolerate a wide range of sun, planting it in full sun means you’ll have to pay more attention to water needs. The soil should be moist, but well-drained, and acidic soil is preferable.

Spacing

Give umbrella magnolia roughly 12–24 feet of space. It has a more shrub-like habit compared to other native magnolias, so it can be planted in smaller spaces.

Watering

Make sure to water thoroughly as the plant is establishing, especially in warmer climates. After that, umbrella magnolia should be fine as long as the soil is moist. You only need to water during dry spells; nature will do the rest.

Planting card

Umbrella Magnolia

Magnolia tripetala

When to plant

Umbrella magnolia is best planted when dormant, so early spring or late fall is best. The best time also depends on the climate. In colder climates, early spring is your safest best because magnolias are sensitive to frost damage. However, in warmer climates, late fall is better.

Beginner tip

Protect this plant from strong winds. Since umbrella magnolia likes shade, the other trees in your yard should be enough to shelter it. Otherwise, the leaves are more likely to become damaged.

What pairs well with umbrella magnolia?

Umbrella magnolia grows naturally in the forests of North America, loving shade and acidic soil. Its best companions are other woodland understory plants that handle shade and acidity, or tall trees that can act as a windbreak to protect it.

Where can I buy umbrella magnolia?

Most big-box garden centers don’t carry true natives, but umbrella magnolia is easier to find than you might think. Your best bets are a native plant nursery near you, a native plant society sale, or a trusted online grower that ships to your region.

Potential challenges with umbrella magnolia

The stinkiest magnolia

Not only do the flowers smell bad, but the wood is also said to have an unpleasant odor when damaged. And, of course, the wood is very soft and easy to damage.

In order to limit the unpleasantness of the smell, plant it somewhere further from your house. If you can plant it in an area that doesn’t get mowed, preventing damage from machinery, that will also help. However, if you’re sensitive to bad smells, this magnolia may not be for you. For more pleasantly fragrant species, we recommend southern magnolia (Magnolia grandiflora) or sweetbay magnolia (Magnolia virginiana).

Suckering habit

As a multi-stemmed shrub or tree, umbrella magnolia produces suckers at its base. It may not sucker as aggressively as other plants, but the suckers can make the tree look messy. However, if the suckering habit bothers you, you can simply prune the suckers off. It won’t spread fast, so you can take some pruners and snip the young stems as you see them.

Strong winds

The large leaves of umbrella magnolia are one of its more impressive characteristics, but it is also a concern when it comes to choosing a site for planting. When planted out in the open, strong winds can cause the leaves of this plant to tear. Instead, plant it somewhere that your house, or other trees, can shelter it from the wind.

Umbrella magnolia flower, long creamy petals in the center of a leaf whorl
Umbrella magnolia flowers are enormous, too. Image © The Plant Native

FAQs

What is unique about umbrella magnolia?

Upon looking at an umbrella magnolia for the first time, its most striking feature would be the large leaves. However, this is not the only unique characteristic of umbrella magnolia. It is generally smaller than most other native magnolias, and it is also the number one shade-lover.

What is the difference between umbrella magnolia and bigleaf magnolia?

There are a few differences between umbrella magnolia (Magnolia tripetala) and bigleaf magnolia (Magnolia macrophylla). Firstly, their native ranges. Umbrella magnolia has a larger native range than the bigleaf magnolia, including more of the Midwest and southern states.

Additionally, they have some key identifying features. Umbrella magnolia is a multi-stemmed shrub or small tree with smaller, whorled leaves that look like the spokes of an umbrella. Bigleaf magnolia has a single trunk, much larger leaves, and often grows much larger. The leaf bases also provide a clue. The umbrella magnolia has a leaf base that tapers back to the petiole, or leaf stem, forming a ‘V’ shape. The bigleaf magnolia has a much more rounded leaf base, creating a ‘U’ or sometimes heart shape.

Is umbrella magnolia a tree or a shrub?

It can be both! Compared to other magnolias, umbrella magnolia has a much shrubbier growth habit. It will start off as a large shrub, then grow into a small tree with enough time.

What are the benefits of the umbrella magnolia tree?

Umbrella magnolias provide services for pollinators, birds, mammals, and others. Beetles are the primary pollinators of magnolias, but some kinds of bees also visit umbrella magnolia flowers. When it sets fruit, the seeds are eaten by birds and small mammals. Umbrella magnolia also acts as a host plant for the tuliptree silk moth (Callosamia angulifera).

Is umbrella magnolia evergreen?

No, umbrella magnolia is not evergreen. It loses its leaves in the winter, making it a deciduous magnolia. However, there are two native semi-evergreen magnolias: southern magnolia and sweetbay magnolia.

Plant nerd fact

What makes umbrella magnolia so stinky?

Aside from their beauty, magnolias are well known for their fragrance. Many magnolias emit a powerful fragrance, such as the southern magnolia (Magnolia grandiflora). The scent of this species is so strong, indigenous tribes refused to sleep beneath it when it was in bloom, for they said it could kill any who slept there. When describing their scent, many say that magnolias have a sweet, pleasant fragrance.

The same cannot be said for the umbrella magnolia. It is described as having an unpleasant or even foul odor. But why? It comes down to chemistry. While umbrella magnolia hasn’t been as extensively studied as other magnolias, a few studies have been conducted to assess the compounds in its essential oils. In these studies, umbrella magnolia was shown to have a unique composition compared to other native magnolia species. While southern magnolia (M. grandiflora), sweetbay magnolia (M. virginiana), and bigleaf magnolia (M. macrophylla) had an abundance of methyl esters, umbrella magnolia was composed almost exclusively of benzene structures. While both are aromatic compounds, it is likely the methyl esters that give magnolias their scent.

In short, the umbrella magnolia smells different because it evolved differently. They have an odor that no other species can match, and it makes them unique.

Umbrella magnolia is a shy species of magnolia, preferring the comfort of a shady forest understory. However, while overlooked by most people, it is a resilient plant that provides for the local wildlife. From birds to butterflies, umbrella magnolia’s seeds, fruit, and flowers make for a valuable food source. It fits perfectly into a shade or woodland garden, adding a quiet beauty to your yard.

If you want to learn about other magnolias, check out our Beginner’s Guide to Native Magnolias. Looking to attract songbirds? Head over to The Best Native Plants for Birds. Happy planting!

Sources

Explore more native magnolia profiles

Bigleaf magnolia, a huge creamy white flower among very large leaves

Written by

Kat William Hiland

Contributor, Horticultural Therapist In-Training

Kat (or Liam) is a native Ohioan transplanted to Philadelphia for school. Their interest in native plants began with a fascination with floral symbolism. They discovered their love of horticulture in high school, and are now studying it at Temple University after a two year vocational program. Their favorite flower is any species of magnolia.

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