American Spikenard

Aralia racemosa

Native to:
Canada, Prince Edward I., United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Araliaceae
Genus:
Aralia
Species:
Aralia racemosa
USDA Symbol:
ARRA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
white, greenish-white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
birds, small mammals, bees
Fall Color:
yellow

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers shaded or semi-shaded areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–120 days
Germination Time:
14–60 days
Notes:
Seeds have double dormancy and may take two years to germinate. Fresh seed germinates more readily than dried seed.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds sown fresh as soon as possible after collection

Source: npn.rngr.net

ORGHPS Germination Guide: Repeated cycles of 4C then 20C, 3 months each. Very prolonged. GA3 improves germination.

Source: Ontario Rock Garden & Hardy Plant Society