
Blackhaw Viburnum
Viburnum prunifolium
Essentials
At a Glance
Plant Type
Shrub
Height
162 inches
Width
120 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Medium
Humidity
Adaptable
Lifespan
Long-lived, 50+ years
Native To
Eastern and Central North America
Toxicity
Fruit is edible for humans
The Story
Plant Bio
Viburnum prunifolium is a large, multi-stemmed deciduous shrub or small tree native to eastern North America. It has a rounded, somewhat irregular habit with stiff, spreading branches, and is valued for its four-season interest. This species is exceptionally tough and adaptable, thriving in a wide range of conditions. It offers creamy-white spring flowers, attractive summer foliage, edible blue-black fruit, and spectacular reddish-purple fall color, making it a superb all-around native plant.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select a site in full sun to part shade.
- It is highly adaptable to different soil types, but prefers good drainage.
- Dig a hole that is twice as wide as the root ball.
- Place the plant in the hole, ensuring it's at the same depth it was growing.
- Backfill with soil and water thoroughly.
- Mulch to conserve moisture and suppress weeds.
Pro Tip
For best flowering, fruit production, and fall color, plant in a location that receives at least six hours of direct sun.
Keep It Thriving
Care Guide
Do
- Water regularly during the first growing season to establish a deep root system.
- Prune after flowering to avoid removing the current season's flower buds.
- Allow it to develop a natural, multi-stemmed habit.
- Plant more than one for best fruit set, though it is self-fertile.
Don't
- Do not plant in waterlogged or constantly wet soils.
- Avoid heavy fertilization, which is generally unnecessary.
- Don't prune in late summer, fall, or winter, as you'll cut off flower buds.
- Do not remove the suckers if you want a dense, thicket-like screen.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Harvest | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Blackhaw Viburnum questions
What zones can Blackhaw Viburnum grow in?
Blackhaw Viburnum is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Blackhaw Viburnum deer resistant?
Yes — Blackhaw Viburnum is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Blackhaw Viburnum bloom?
Blackhaw Viburnum typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Blackhaw Viburnum need full sun?
Blackhaw Viburnum does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Blackhaw Viburnum drought tolerant?
Yes — once established (usually after the first full season), Blackhaw Viburnum handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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