Blackthorn
Prunus spinosa
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Prunus
- Species:
- Prunus spinosa
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 12-20 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar, apr, may
- Bloom Colors:
- white
Native Range
United States: Connecticut, District of Columbia, Idaho, Massachusetts, Maryland, Maine, Michigan, Missouri, New Hampshire, New Jersey, New York, Oregon, Pennsylvania, Tennessee, Washington, Canada: British Columbia, Nova Scotia, Ontario
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Host Plant for Caterpillars
Cecropia moth (Hyalophora cecropia), Garden Rose Tortrix (Acleris variegana), hibiscus Quaker (Orthosia hibisci), Trachycera suavella
Soil Requirements
- Soil Type:
- well-drained, moderately fertile loam
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers calcareous soils in native habitats