Goat's Beard (Aruncus dioicus)

Goat's Beard

Aruncus dioicus

Feathery plumes soften shaded borders like frothy summer clouds. Herbaceous perennial; common name: Goat's Beard.

Partial sun
2/week
Beginner
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Plant Needs

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Sunlight Partial to full shade; tolerates morning sun but scorches in intense midday sun
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Watering Keep soil consistently moist; avoid drying out completely in hot weather
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Temperature Hardy to -30°C; prefers cool temperate conditions; avoid prolonged heat above 27°C
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Characteristics

  • Leaf: Compound pinnate leaves with serrated leaflets; dark green, fern-like texture
  • Flower: Dense, feathery white panicles; male flowers are more showy with longer stamens
  • Stem: Erect, sturdy green stems; clumping growth habit
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Care Guide

Watering

Keep soil evenly moist; water deeply 1-2 times weekly

Fertilization

Feed with diluted organic fertilizer once monthly. Avoid high-nitrogen fertilizers to prevent leggy, floppy growth

Composted banana peel tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 before applying as a root drench to avoid nutrient burn
Pruning
  • Cut back spent flower stalks after blooming to maintain a tidy clump
  • Remove dead foliage in late winter before new spring growth emerges
  • Divide overcrowded clumps every 3–4 years in early spring to promote vigorous growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no documented health risks

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Shade garden ornamental; cut flower for fresh floral arrangements