Bleeding Heart
Also known as
Asian Bleeding Heart, Common Bleeding Heart, Lady-in-the-Bath, Lyre Flower
Keep this plant’s care guide close at hand.
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Lamprocapnos spectabilis (formerly Dicentra spectabilis) is a clump-forming, herbaceous perennial prized for its elegant, arching stems lined with pendant, heart-shaped flowers in spring. Typically 60–90 cm tall, it bears soft, ferny, blue-green foliage that provides a delicate backdrop to its iconic pink outer petals and white inner “drop.” A classic woodland plant, it prefers cool conditions and rich, moisture-retentive yet well-drained soils. After a flush of bloom from mid- to late spring, plants often enter summer dormancy as heat rises; foliage yellows and dies back naturally. Hardy and long-lived in the right site, it is best situated among hostas, ferns, and other shade perennials that can fill space when it goes dormant. Cultivars include white-flowered ‘Alba’ and gold-leaved ‘Gold Heart.’ Though ornamental, all parts are toxic if ingested and may irritate skin. In borders, cottage gardens, and shady foundations, it offers early-season color and a romantic, old-fashioned charm.
Taxonomy
Properties & Requirements
How to care for Bleeding Heart
Water
Keep soil evenly moist during spring growth and flowering—never waterlogged. Water deeply when the top 2–3 cm of soil feel dry, aiming for consistent moisture around the root zone. Mulch helps reduce evaporation and temperature swings. As temperatures rise and foliage begins to yellow, reduce watering significantly to prevent rot during dormancy. In containers, ensure excellent drainage and water when the mix is just lightly moist; do not let pots sit in saucers of standing water.
Light
Provide partial shade or dappled light. Morning sun with afternoon shade is ideal, especially in warmer climates. In cool, maritime regions, it can tolerate brighter light; in hot summers, give deeper shade to prevent stress. Very deep shade reduces flowering, while strong midday sun can scorch foliage and shorten bloom. Position under high-branched deciduous trees or on the north/east side of buildings for balanced light.
Nutrients
In early spring, top-dress with 2–5 cm of compost or leaf mold and apply a balanced, slow-release fertilizer (e.g., 5-5-5 to 10-10-10) at half the labeled rate. Avoid high nitrogen, which promotes weak, sappy growth. A light supplemental feed after peak bloom can support root reserves, but stop fertilizing by midsummer as foliage declines. Mulch annually to maintain soil organic matter and moisture. Container-grown plants benefit from a diluted liquid feed every 3–4 weeks in active growth.
Temperature
Best growth occurs in cool conditions: days 13–21°C (55–70°F). The plant is fully hardy in winter dormancy (roughly USDA Zones 3–8/9), tolerating severe cold once established. Prolonged heat above ~27°C (80°F) hastens dormancy; this is normal and not a care failure. Protect new spring shoots from late hard freezes with light frost cloth if severe cold threatens. Avoid hot, reflective sites and ensure root zones stay cool with mulch.
