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Blackhaw ViburnumViburnum prunifolium

  • Blackhaw Viburnum - Viburnum prunifolium
  • Blackhaw Viburnum - Viburnum prunifolium
  • Blackhaw Viburnum - Viburnum prunifolium
  • Blackhaw Viburnum - Viburnum prunifolium

As with most viburnums, the blackhaw variety adds nice color and interest to a landscape throughout the seasons. In the spring, creamy white flowers gather in flat-topped clusters. Edible, berry-like drupes appear after the blooms, beginning pinkish or rose-colored and turning bluish-black at maturity. And the impressive dark green foliage develops showy hues of purple and rich red-burgundy in the fall.

This viburnum can also be trained as a small tree instead of a multi-stemmed shrub if desired.


Hardiness Zones

The blackhaw viburnum can be expected to grow in Hardiness Zones 3–9. View Map

Tree Type

This is a flowering shrub, typically planted for its profusion of flowers.

Mature Size

The blackhaw viburnum grows to a height of 12–15' and a spread of 8–10' at maturity.

Growth Speed Slow to Medium Growth Rate

This shrub grows at a slow to medium rate, with height increases of anywhere from less than 12" to 24" per year.

Sun Preference

Full sun and partial shade are best for this shrub, meaning it prefers a minimum of 4 hours of direct, unfiltered sunlight each day.

Soil Preference

The blackhaw viburnum grows in acidic, alkaline, loamy, moist, rich, sandy, silty loam and well-drained soils. It also tolerates drought.

Attributes

This shrub:
  • Produces creamy white flowers in flat-topped clusters that are 2–4" in diameter and bloom in April and May.
  • Yields edible, oval drupes measuring up to ½" long. They appear after the flowers, beginning pinkish or rose-colored and turning bluish-black at maturity.
  • Features impressive dark green leaves 1½–3½" in length that provide showy fall color, turning purple and rich red-burgundy.
  • Develops a dense, twiggy habit, making it a great hedge plant.
  • Transplants well.
  • Can be grown as a small tree or multi-stemmed shrub.
  • Grows in an irregular, rounded shape.

Wildlife Value

The fruit serves as food for various birds and wildlife.

History/Lore

The blackhaw viburnum was introduced in 1727. The root bark has been used medicinally.