Blackthorn

Prunus spinosa

Blackthorn

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