Black Baneberry

Actaea racemosa

Also known as: black bugbane

Native to:
Canada, United States

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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.

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

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

Source: Ontario Rock Garden & Hardy Plant Society