Ilex verticillata 'Winter Red' (Winterberry)
Winterberry 'Winter Red', Black Alder 'Winter Red', Feverbark 'Winter Red', Swamp Winterberry 'Winter Red'
Valued for its heavy fruit set and persistence, Ilex verticillata 'Winter Red' is widely regarded as one of the best winterberries. Slow-growing, this multi-stemmed, deciduous winterberry holly features a shapely oval form and produces abundant small greenish-white flowers in late spring or early summer. They are followed by a profusion of magnificent cherry red berries from fall through winter. Extremely attractive, they enliven the winter landscape and often persist into early spring unless eaten by birds. The foliage of lustrous, leathery, dark green leaves does not develop any appreciable fall color. 'Winter Red' is a female plant and needs a male pollinator to produce attractive bright red berries. Generally, one male winterberry will be sufficient for pollinating 9-10 female plants. Since the blooms come late, 'Winter Red' requires a late-blooming male as a pollinator (such as 'Southern Gentleman' or 'Apollo').
- Grows with an upright-rounded habit up to 6-8 ft. tall and wide (180-240 cm).
- Winner of the Gold Medal Award of The Pennsylvania Horticultural Society
- Full sun to part shade lover, this plant is easily grown in average, medium to wet, well-drained, acidic soils. Tolerates poorly drained soils as well as wet boggy conditions. Does poorly in neutral to alkaline soils and often dies. The most prolific fruit display generally occurs in full sun to light shade. While it can grow in shady conditions, winterberry produces less fruit and is less attractive, becoming a loose and scraggly shrub.
- Generally pest and disease free
- Mass in mixed shrub borders. Perfect as a specimen plant, hedges, or for foundation plantings. Excellent shrub for wet soils, bog gardens, rain gardens, and along streams or ponds. The red-fruited branches make lovely home decorations
- Flowers appear on new growth. Prune to shape in early spring just before new growth appears
- Native to Eastern North America
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Requirements
Hardiness | 3
– 9 |
---|---|
Heat Zones | 5
– 8 |
Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, A2, A3 |
Plant Type | Shrubs |
Plant Family | Ilex - Hollies |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Spring (Early,Late) Summer (Early,Mid,Late) Fall Winter |
Height | 6' – 8' (180cm – 240cm) |
Spread | 6' – 8' (180cm – 240cm) |
Spacing | 60" – 96" (150cm – 240cm) |
Water Needs | Average, High |
Maintenance | Low |
Soil Type | Clay, Loam |
Soil pH | Acid, Neutral |
Soil Drainage | Moist but Well-Drained, Poorly Drained |
Characteristics | Cut Flowers, Plant of Merit, Showy, Fruit & Berries |
Tolerance | Clay Soil, Wet Soil |
Attracts | Birds |
Garden Uses | Banks and Slopes, Beds and Borders, Bog Gardens, Hedges and Screens, Ponds and Streams, Rain Gardens |
Garden Styles | Informal and Cottage |
rmorijn / 123RF Stock Photo
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
Hardiness | 3
– 9 |
---|---|
Heat Zones | 5
– 8 |
Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, A2, A3 |
Plant Type | Shrubs |
Plant Family | Ilex - Hollies |
Exposure | Full Sun, Partial Sun |
Season of Interest |
Spring (Early,Late) Summer (Early,Mid,Late) Fall Winter |
Height | 6' – 8' (180cm – 240cm) |
Spread | 6' – 8' (180cm – 240cm) |
Spacing | 60" – 96" (150cm – 240cm) |
Water Needs | Average, High |
Maintenance | Low |
Soil Type | Clay, Loam |
Soil pH | Acid, Neutral |
Soil Drainage | Moist but Well-Drained, Poorly Drained |
Characteristics | Cut Flowers, Plant of Merit, Showy, Fruit & Berries |
Tolerance | Clay Soil, Wet Soil |
Attracts | Birds |
Garden Uses | Banks and Slopes, Beds and Borders, Bog Gardens, Hedges and Screens, Ponds and Streams, Rain Gardens |
Garden Styles | Informal and Cottage |