Blackhaw
Viburnum prunifolium
Also known as: Hybrid Blackhaw
- Native to:
- United States
Robert H. Mohlenbrock. USDA SCS






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Viburnaceae
- Genus:
- Viburnum
- Species:
- Viburnum prunifolium
- USDA Symbol:
- VIPR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 500 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- apr,may
- Bloom Colors:
- white, cream
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Calledapteryx dryopterata, Coleophora viburniella, green cloverworm moth (Platynota idaeusalis), Holly Blue (Celastrina argiolus)
Reported Fauna Sightings
Moths:Acronicta fallax, Hummingbird Clearwing (Hemaris thysbe)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fall Color:
- red, purple, maroon
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire. Tolerates occasional low-intensity fire in woodland settings.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates moderate drainage
- Moisture:
- dry to moderate
- Notes:
- prefers edge of woodlands and open fields
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 150–270 days
- Germination Time:
- 365–730 days
- Notes:
- Seeds exhibit double dormancy requiring warm stratification followed by cold stratification. Germination often takes two years.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI