Black Baneberry

Actaea racemosa

Also known as: black bugbane

Native to:
Canada, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Actaea
Species:
Actaea racemosa
USDA Symbol:
ACRA7

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
180 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Holly Blue (Celastrina argiolus), Summer Azure (Celastrina neglectamajor)

Reported Fauna Sightings

Bees: Common eastern (Bombus impatiens), Two-spotted bumble (Bombus bimaculatus), ⚠️Western honey bee (Apis mellifera) Butterflies:Summer Azure (Celastrina neglectamajor)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, beneficial insects
Deer Resistant:
Yes
Fragrant:
Yes
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 6.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers shaded woodland environments

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 60–120 days
Germination Time:
30–180 days
Notes:
Requires double dormancy with warm stratification followed by cold stratification. Seeds may take up to two years to germinate in nature. Light aids germination.

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

ORGHPS Germination Guide: Sow @ 20C for 3 months, then place @ 4C for 3 months.

Source: Ontario Rock Garden & Hardy Plant Society