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Berry Heavy® Winterberry Holly

Ilex verticillata

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Berry Heavy® Winterberry Holly

Discover More Information On Berry Heavy® Winterberry Holly

The Berry Heavy® Winterberry Holly, known botanically as Ilex verticillata, is a stunning deciduous shrub that becomes the centerpiece of a winter landscape with its profusion of rich red berries. Adaptable to a wide range of hardiness zones from 3 through 9, this hardy shrub is celebrated not only for its ornamental appeal but also for its resilience in various growing conditions.

One of the most striking features of the Berry Heavy® is the abundance of vivid berries it produces. As autumn's colors fade and leaves drop, the winterberry holly stands out with clusters of bright berries that persist through the fall and into the winter months, providing a splash of color in the otherwise muted landscape. This display is not only a visual treat but also a boon for local bird populations, who find the berries an invaluable food source during the colder months. It's important to note that for successful berry production, both male and female plants are necessary. The 'Mr. Poppins®' winterberry holly is recommended as a pollinator to ensure a bountiful berry display.

The versatility of the Berry Heavy® extends to its environmental tolerance. This shrub thrives in part sun to full sun exposure and is notable for its ability to grow in tough conditions, including wet soil and shaded areas, making it an excellent candidate for challenging garden spots. While the Berry Heavy® is a favorite for its fall and winter interest, it also features subtle white flowers in the late spring that provide an understated charm.

Plant Attributes

The Berry Heavy® Winterberry Holly is a deciduous shrub that encapsulates the essence of both beauty and utility in a garden setting. This tall and robust plant typically achieves a garden height of 6 to 8 feet, with an equal spread, presenting a lush, upright habit. Its foliage, a dark green canvas throughout the growing season, serves as a backdrop for white flowers that emerge in late spring. As the foliage falls in autumn, it reveals a spectacular display of red berries that become a central feature through the fall and winter, offering an invaluable source of food for birds.

This plant's adaptability is highlighted by its tolerance for a range of light conditions, from full sun to part shade, and its ability to thrive in wet soil conditions. Despite its preference for moist environments, it showcases considerable resilience, which includes being deer-resistant—a significant advantage in regions where wildlife can impact garden plantings. This characteristic resilience extends to its maintenance requirements, which are minimal, allowing gardeners of all levels to enjoy its seasonal beauty with little intervention.

Landscape Use

The Berry Heavy® Winterberry Holly is a versatile plant that can be utilized in various ways within a landscape:

  • Mixed Borders: Its upright form and vibrant berries make it a natural accent in mixed shrubberies, where it can provide winter interest among other deciduous and evergreen plants.
  • Wildlife Gardens: As a native plant, it offers significant benefits to wildlife, especially birds that feast on its berries during scarce winter months. Planting it in a garden designed to attract and support wildlife can enhance biodiversity.
  • Specimen Plant: With its showy berries and structured form, the Berry Heavy® can serve as a focal point when planted on its own, especially in winter when its bright berries stand out against a snow-covered garden.
  • Hedging and Screening: When planted in a row, it can form an effective and attractive hedge or screen, providing privacy and wind protection.
  • Water-Saturated Sites: Given its adaptability to wet conditions, it's an excellent choice for planting in areas that are prone to waterlogging, such as bioswales and rain gardens, where it can also aid in water management.
  • Cut Flower Gardens: The branches laden with berries can be cut and used in floral arrangements, making it a useful addition to a cutting garden, particularly in the fall and winter.
  • Mass Plantings: For large-scale impact, massing Berry Heavy® Winterberry Hollies can create a sea of red berries that is particularly dramatic when most other plants have lost their leaves.
  • Erosion Control: Its ability to grow in wet and challenging soil conditions makes it an excellent choice for stabilizing banks and slopes that may be prone to erosion.
  • Naturalistic Plantings: The Berry Heavy® fits well into naturalistic or woodland garden settings, blending seamlessly with other native plants and providing seasonal interest.
  • Foundation Plantings: The shrub's moderate size and attractive winter berries make it suitable for foundation plantings around homes and buildings, where it can complement architectural elements and other landscape features.
  • Winter Garden: In a garden designed to peak in the winter, the bright berries and bare branches of the Berry Heavy® create visual warmth and interest during the coldest months.

In landscape design, the Berry Heavy® Winterberry Holly's attributes are best showcased when its growing needs — such as sunlight exposure, soil moisture, and the requirement for a male pollinator like Mr. Poppins® winterberry holly — are met, ensuring a full display of its vibrant berries.

Planting & Care

The Berry Heavy® Winterberry Holly (Ilex verticillata) is a robust and attractive plant that requires some specific care to thrive and produce its signature bright red berries. Here’s a comprehensive guide to planting and caring for this plant:

Planting Instructions:

  1. Location: Choose a location with full sun to part shade exposure. Although adaptable, this winterberry holly produces the most berries when it receives ample sunlight.
  2. Soil: It prefers acidic, moist, well-drained soil but can also tolerate wet conditions. It's less suited for dry, highly alkaline soils.
  3. Spacing: Space plants 6 to 8 feet apart to allow for their mature spread. If planting for a hedge, you may plant them closer, but avoid overcrowding.
  4. Pollination: To produce berries, you need both male and female plants. One male plant, such as Mr. Poppins® winterberry holly, can pollinate up to five female plants. Plant the male within 50 feet of the females to ensure pollination.
  5. Planting Depth: Plant at the same depth as the pot. Make sure the root flare (where the roots meet the trunk) is at soil level.


  • Initial Care: Water the plant well after planting and keep the soil evenly moist until the plant is established.
  • Ongoing Care: Once established, the Berry Heavy® Winterberry Holly is relatively drought-tolerant but performs best with consistent moisture, especially in dry conditions.


  • Fertilize in early spring with a balanced, slow-release fertilizer formulated for acid-loving plants.


  • Minimal pruning is required. Prune to shape the plant or to remove any dead or diseased wood in early spring before new growth begins. Regular pruning is not necessary and can reduce berry production.

Winter Care:

  • Although the plant is hardy in zones 3 through 9, mulching around the base can help protect the root system in winter, especially in the northern part of its range.

Pest and Disease Management:

  • The Berry Heavy® is relatively disease-resistant. Keep an eye out for common holly pests such as scale or leaf miner and treat them with appropriate horticultural oils or insecticides.

Special Considerations:

  • Remember that the berries, while attractive, are not edible for humans and can be toxic to pets.
  • For optimal berry production, do not perform maintenance pruning or cutting back as this can impact flower and subsequent fruit set.

By following these guidelines, your Berry Heavy® Winterberry Holly should grow vigorously and provide a stunning display of red berries that stand out in the fall and winter landscape, adding both ecological value and aesthetic charm to your garden.

Additional Information

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Berry Heavy® Winterberry Holly


Plant Features

  • Plant Type: Shrub
  • Watering Needs: Adaptable to wet conditions; tolerates moist soil.
  • Botanical Pronunciation: I-lex ver-ti-si-LAH-ta
  • Deciduous/evergreen: Deciduous
  • Growth rate: Moderate
  • Average landscape size: Mature size of 6-8’ tall and wide.
  • Special features: Attracts birds, Deer Resistant, Native to North America, Winter Interest, Ornamental Berries, Bog Plant
  • Dramatic Foliage: N/A
  • Foliage color: Green
  • Blooms: Small white flowers in late spring
  • Flower color: White
  • Flower attributes: Flowers give way to red berries in fall and winter (berries require a male pollinator to develop)
  • Garden style: Naturalistic, Rustic
  • Design Ideas: Ideal for naturalistic plantings and wildlife gardens. Its berries add winter interest and provide food for birds. Use as a specimen or in groups to create a dense screen. Berry Heavy® can also be incorporated into mixed borders or used as a foundation plant. Its tolerance for wet conditions makes it suitable for rain gardens or areas with poor drainage.
  • Companion Plants: Mr. Poppins® (male pollinator for berry production), other native shrubs, perennials that enjoy similar wet conditions.

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