Eastern Red Columbine (Aquilegia canadensis)

Eastern Red Columbine

Aquilegia canadensis

Delicate spurred flowers nod like tiny lanterns, a woodland gem. Herbaceous perennial; common name: Eastern Red Columbine.

Partial sun
1–2/week
Beginner
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Plant Needs

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Sunlight Bright partial sun to dappled shade; avoid intense midday summer sun to prevent leaf scorch
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Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Cold-hardy to -30°C; tolerates cool temperate conditions, avoid prolonged heat above 28°C
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Characteristics

  • Leaf: Divided into lobed, blue-green foliage with a fern-like appearance
  • Flower: Red and yellow spurred blooms, nodding downward, with five distinct petals
  • Stem: Slender, upright green stems that hold flower clusters above foliage
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Care Guide

Watering

Keep soil evenly moist during active growth; avoid waterlogging

Fertilization

Apply diluted balanced fertilizer once monthly. Use a low-nitrogen fertilizer to promote flower production rather than foliage growth

Composted banana peel tea:Soak fully composted banana peels in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent mold and pest issues
Pruning
  • Deadhead spent blooms regularly to encourage extended flowering
  • Cut back foliage to ground level after the first autumn frost to prepare for dormancy
  • Thin crowded clumps every 2–3 years in early spring to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; contains cardiogenic toxins that may cause vomiting, diarrhea, and lethargy

Humans: Contains protoanemonin; ingestion causes mild gastrointestinal irritation in large amounts

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Garden Uses & Culture

Culture: Symbolizes innocence and gratitude in Victorian floriography

Usage: Ornamental woodland garden plant; attracts hummingbirds and native pollinators