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Northern cardinal perched on winterberry branches loaded with red berries

Plant profile

Winterberry

Ilex verticillata

Something bright when you need it.

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Highlights

If you’ve seen a native winterberry shrub in the winter, you will not forget it. Winterberry covers itself in bright red berries, a treasured food source for 48 species of birds during the coldest winter months. The berries look especially striking because winterberry is deciduous—meaning it loses its leaves in the winter—putting the spotlight on its berry-filled stems.

Do you dream of birdwatching from the comfort of your home in the winter? Do you love seeing bright things during the cold months? Winterberry is the shrub for you. Find planting tips below.

Winterberry branches packed with bright red berries, coated in ice
Even covered in ice, winterberry is stunning

Is winterberry a good choice for my yard?

Yes, if:

Skip it, if:

Winterberry, bare branches covered in red berries against a pale winter sky
The brightness of the berries make winterberries instantly recognizable

Why winterberries matter

Winterberry fills a critical ecological gap. While many birds prefer other berries in the fall, like the antioxidant-rich berries of arrowwood viburnum or eastern flowering dogwood. Winterberry plays the long game. Its berries are lower in fats and less immediately appealing, so they hang on the branches well into winter, sometimes even into early spring. This persistence isn’t just aesthetically pleasing for you, it’s a lifeline for birds.

Where is winterberry native?

Native to 32 US states, Washington, D.C., and 6 Canadian provinces (New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Quebec)

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

Winterberries are for the tough ones

Migratory birds leave before winter sets in. The birds that stay—like northern cardinals and some eastern bluebirds—rely on winterberries when other food sources are long gone. Their bright red berries persist through the cold months, providing a much-needed backup food source during the most challenging part of winter.

Beyond birds, winterberry supports Henry’s elfin butterfly as a host plant and attracts bees and other pollinators to its small white flowers in late spring. If you want to support wildlife through the hardest stretch of the year, planting winterberry is a beautiful way to do it.

Where winterberry shines in your yard

How to grow winterberry

Winterberry is easy to grow once you understand its needs. It’s happiest in full sun to part shade, needs at least four hours of sun for best flowering and fruiting. The more sun, the heavier the berry display.

Soil: Winterberry prefers moist, acidic soil (pH below 6.8) high in organic matter. It struggles in alkaline or neutral soils well and may have yellowing leaves (a sign of chlorosis) if the pH is too high.

Moisture: This shrub loves wet feet. It thrives in consistently moist to wet conditions and is perfect for rain gardens, pond edges, and low spots in the yard. Once established, it can adapt to average garden moisture but will not tolerate extended drought. Water regularly during the first year to help it establish.

Pruning: Winterberry doesn’t need much pruning. If you want to control its size or shape, remove up to one-third of the oldest branches each year in late winter.

Planting card

Winterberry

Ilex verticillata

What pairs well with native winterberry?

Winterberries look great alongside other native plants that also thrive in acidic soil, such as mountain laurel and native rhododendrons. Some inspiration includes:

Where can I buy winterberry?

Most big-box garden centers don’t carry true natives, but winterberry 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.

A few challenges to consider with winterberry

There are a few issues to consider when planting winterberry.

You’ll need male + female plants for berries

First, native winterberries are dioecious, which means that you need both male and female plants for the female plants to produce berries.

If you’re wondering whether it’s male or female, visit a trusted local native nursery when purchasing winterberry. The staff will help!

Winterberries like acidic soil

Finally, native winterberries like acidic soil. Other acidic-loving native plants include native rhododendrons and native azaleas, highbush blueberries, false blue indigo, and mountain laurels.

Winterberry cultivars to consider (and what to skip)

You may also see winterberries with different colored berries, or with cheeky names like ‘Winter Red’ or ‘Red Sprite.’ Those are winterberry cultivars.

A cultivar is just a version of the plant that someone selected and named because it has a specific trait—like staying shorter, having orange berries instead of red, or producing a ton of fruit. There are dozens of winterberry cultivars available, and you’ll always know it’s a cultivar when you see a name in single quotes.

If you’re planting cultivar winterberry to feed birds (which is kind of the whole point), make sure the berry size is close to the wild version: about the size of a pea.

If you’re planting for birds, read this

A word of caution with winterberry cultivars: some of those berries are bred to be too big for birds. Growers love the look of large, showy berries, but smaller birds can’t actually swallow them.

If you’re planting cultivar winterberry to feed birds (which is kind of the whole point), make sure the berry size is close to the wild version: about the size of a pea. Varieties like ‘Red Sprite’ and ‘Little Goblin’ are beautiful, but their berries often sit untouched all winter because they’re just too big. Try to find what is called the “straight species” or the wild winterberry (you’ll know it from the Latin name Ilex verticillata), or if you’re planting a cultivar, stay away from the big berry ones.

FAQs

Are the berries on winterberries poisonous?

YES, winterberry berries are toxic if ingested. This shrub may not be a good choice if you have pets or small children who might try to eat the berries.

What does acidic soil mean?

Acidic soil has a lower pH level, meaning it’s on the “cooler” side of a scale that measures how acidic or alkaline soil is. pH is measured from 0 to 14, with 7 being neutral. Acidic soil has a pH below 7, typically in the 5.0 to 6.5 range for plants like rhododendrons, azaleas, and blueberries.

Think of soil pH like a thermostat in your garden. Some plants thrive in “cooler” acidic soil, while others prefer “warmer” alkaline soil. Knowing your soil’s pH helps you choose the right plants for your yard.

To find out if your soil is acidic, you can easily test it with a pH kit from a garden center. If it’s in the “cool range,” you’re ready to grow acid-loving plants. You can also send a soil sample using your local university’s Cooperative Extension office.

Now that I’m thinking about it, what does pH mean?

pH stands for ‘potential of hydrogen,’ which measures the concentration of hydrogen ions in soil, water, or other substances. pH is important in plants because it affects how plants absorb nutrients.

Plant nerd fact

The berries play the long game

Lots of native plants make fruit that gets eaten fast (see: serviceberries and blueberries). Winterberry is different. Its berries are lower-reward compared with richer fruits, so they’re often left hanging into winter.

This persistence delivers landscaping charm—you get to see the berry-heavy stems before the birds finally get around to devouring them—and it stocks a wildlife pantry for the stretch of winter when options get thin.

To wrap up this love letter, winterberries are beautiful and low-maintenance native shrubs that add a pop of color (and birdwatching opportunities) during the winter months. Winterberries are excellent four-season choices for anyone in the Northeast, Mid-Atlantic, Midwest, or South. Planting native shrubs like winterberry saves a ton of water, time, and money—especially compared to lawns or non-native plants. Head over to our Beginner’s Guide to Native Dogwoods, or our Beginner’s Guide to Native Azaleas to find some more pairing inspo. Happy planting!

Sources

Similar plants

Emily Lessard standing among white coneflowers in a garden

Written by

Emily Lessard

Founder & Editor, The Plant Native

Emily Lessard is the founder and editor of The Plant Native, the site that helps homeowners across North America get started with native plants. She holds a Sustainable Landscapes certificate through the Pennsylvania Landscape & Nursery Association, is finishing a Native Perennial Garden Design Certificate at Temple University, and is the author of Plant Native: A Practical Guide to Over 100 Native Plants of North America (Quarto, March 2027). She gardens outside Philadelphia in the 8.3 Southeastern Plains ecoregion.

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