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Gold Heart Bleeding Heart (Gold Leaf Bleeding Heart) care

Lamprocapnos spectabilis 'Gold Heart'

Also called Gold Heart Bleeding Heart, Gold Leaf Bleeding Heart, Asian Bleeding Heart.

RHS H6USDA 3-9Toxic to petsIndoor 45–60 cm tall (18–24 in)

Watering rhythm

Medium indirect light (a couple of metres from a window)

Weekly during the growing season, reducing as foliage dies back in summer

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Light

Medium indirect light (a couple of metres from a window)

Soil

Moist, humus-rich, well-drained loam

Humidity

40–70%

Temp

-40 to 27°C

Pet safety

Toxic to pets

Mature size

45–60 cm tall (18–24 in)

Care at a glance

Light

The Goldilocks zone. Not the south-facing windowsill (too hot, too direct), not the back of the room (too dim, growth stalls). Thrives in partial shade with morning sun and afternoon shade. Gold foliage scorches in strong afternoon sun; tolerates full shade though flowering diminishes. In cool, moist climates it can handle more sun. If you can't decide, a free phone lux-meter app aimed at the leaf at noon should read between 800 and 1,500 lux.

Watering

Watering gold heart bleeding heart: weekly during the growing season, reducing as foliage dies back in summer. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Keep soil consistently moist from spring through early summer. Intolerant of waterlogged soil in winter and drought in summer — allow to dry slightly between waterings but never bone dry. Goes summer-dormant; reduce watering once foliage yellows.

Soil and pot

Gold Heart Bleeding Heart grows best in moist, humus-rich, well-drained loam. Prefers fertile, organically rich loam or amended clay with pH 6.0–7.5 (neutral to slightly alkaline). Good drainage is essential — roots rot in waterlogged conditions. Mulch generously to retain moisture and buffer soil temperature. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Gold Heart Bleeding Heart sits happiest at around 40–70% humidity and -40 to 27°C (-40 to 80°F). Tolerates average garden humidity. Consistent atmospheric and soil moisture delays summer dormancy. In very dry climates, afternoon shade and mulch help maintain the microclimate. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed gold heart bleeding heart sparingly. Apply a balanced slow-release granular fertiliser (10-10-10) or top-dress with compost in early spring as shoots emerge. Avoid high-nitrogen feeds, which push leafy growth at the expense of flowers. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on gold heart bleeding heart in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Premature summer dormancy — Foliage yellows and collapses in hot, dry summers. This is normal; keep soil moist and site in afternoon shade to prolong the season. Mark plant locations to avoid disturbing dormant rhizomes.
  • Slug and snail damage — Emerging spring shoots are highly attractive to slugs. Apply iron phosphate pellets or gritty barriers around crowns as growth begins in early spring.
  • Crown and root rot — Caused by Fusarium or Phytophthora in poorly drained, wet soil, especially in winter. Improve drainage before planting; avoid planting in low-lying areas where water pools.

Propagation

Division of rhizomes in early autumn or early spring before growth commences. Take root cuttings in late autumn. Seeds can be sown fresh in autumn; germination is slow and erratic. 'Gold Heart' may not come true from seed — division is the reliable method to preserve the golden-leaf trait. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Gold Heart Bleeding Heart is toxic to pets. All plant parts contain isoquinoline alkaloids (including bicuculline and corydaline) that are toxic to cats, dogs, and humans. Ingestion causes vomiting, diarrhoea, trembling, ataxia, and in large doses respiratory distress. Contact with sap may cause skin irritation. ASPCA lists Dicentra/Lamprocapnos as toxic to both cats and dogs. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Gold Heart Bleeding Heart care — frequently asked questions

What is the common name for Lamprocapnos spectabilis 'Gold Heart'?

Lamprocapnos spectabilis 'Gold Heart' is most commonly called Gold Heart Bleeding Heart, but it is also known as Gold Heart Bleeding Heart, Gold Leaf Bleeding Heart, Asian Bleeding Heart. The names refer to the same species, so care instructions for Gold Heart Bleeding Heart apply identically to anything sold as Gold Leaf Bleeding Heart.

How much light does gold heart bleeding heart need?

Gold Heart Bleeding Heart grows best in medium indirect light (a couple of metres from a window). Thrives in partial shade with morning sun and afternoon shade. Gold foliage scorches in strong afternoon sun; tolerates full shade though flowering diminishes. In cool, moist climates it can handle more sun.

How often should I water gold heart bleeding heart?

Water gold heart bleeding heart weekly during the growing season, reducing as foliage dies back in summer. Keep soil consistently moist from spring through early summer. Intolerant of waterlogged soil in winter and drought in summer — allow to dry slightly between waterings but never bone dry. Goes summer-dormant; reduce watering once foliage yellows. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is gold heart bleeding heart toxic to cats and dogs?

Gold Heart Bleeding Heart is toxic to pets. All plant parts contain isoquinoline alkaloids (including bicuculline and corydaline) that are toxic to cats, dogs, and humans. Ingestion causes vomiting, diarrhoea, trembling, ataxia, and in large doses respiratory distress. Contact with sap may cause skin irritation. ASPCA lists Dicentra/Lamprocapnos as toxic to both cats and dogs.

What USDA hardiness zone does gold heart bleeding heart grow in?

Gold Heart Bleeding Heart is rated for USDA zone 3-9 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Gold Heart Bleeding Heart deep-dive guides

Every aspect of gold heart bleeding heart care, each with its own calibrated guide:

Featured in these plant shortlists

Gold Heart Bleeding Heart qualifies for 7 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Gold Heart Bleeding Heart is also known as Gold Heart Bleeding Heart, Gold Leaf Bleeding Heart, and Asian Bleeding Heart.