Bleeding Heart
Lamprocapnos spectabilis
Bleeding Heart, or Lamprocapnos spectabilis, is a stunning perennial known for its heart-shaped flowers that dangle like charms. Native to Asia and North America, it brings a touch of elegance to shaded gardens, making it a favorite among gardeners.
Everything it needs
9 essentials at a glance
Watering
Bleeding Heart prefers consistently moist soil, so water it thoroughly when the top inch of soil feels dry.
During the growing season, typically spring and summer, water once a week, increasing frequency during hot, dry spells. In fall and winter, reduce watering as the plant goes dormant. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and leaf drop.
Light
Bleeding Heart thrives in partial shade to full shade, ideally receiving 4-6 hours of indirect sunlight daily.
Direct sunlight can scorch the leaves, so place it in a location where it can benefit from filtered light or dappled shade. It can tolerate some morning sun, but avoid harsh afternoon rays.
Soil
This plant prefers well-draining, rich, organic soil with a pH range of 6.0 to 7.0.
A mix of garden soil, compost, and peat moss is ideal for potting. Ensure good drainage to prevent root rot, as Bleeding Heart does not tolerate soggy conditions.
Humidity
Bleeding Heart enjoys moderate to high humidity levels, ideally between 40-60%.
To increase humidity, mist the leaves regularly or place a humidity tray filled with water and pebbles beneath the pot. Signs of low humidity include browning leaf edges and wilting.
Temperature
The ideal temperature range for Bleeding Heart is 60-75°F (15-24°C).
It is hardy in zones 3-9, tolerating cold temperatures but may struggle in extreme heat. During summer, ensure it has some shade to prevent heat stress.
Fertilizing
Use a balanced, slow-release fertilizer with an NPK ratio of 10-10-10 or similar.
Fertilize in early spring as new growth begins and again in mid-summer. Signs of nutrient deficiency include stunted growth and yellowing leaves.
Pruning
Prune Bleeding Heart in late fall after the foliage dies back.
Remove dead stems and leaves to tidy the plant and prevent disease. Tools needed include sharp pruning shears. Deadheading is not necessary, as the plant will naturally die back after blooming.
Repotting
Repot Bleeding Heart every 2-3 years or when it becomes root-bound.
Signs it needs repotting include roots growing out of the drainage holes and stunted growth. Choose a pot 1-2 inches larger in diameter. To repot, gently remove the plant from its current pot, loosen the roots, and place it in fresh soil in the new pot.
Propagation
Bleeding Heart can be propagated through division or seeds.
For division, in early spring or fall, carefully dig up the plant and separate the roots into sections, ensuring each has at least one bud. Replant immediately. For seeds, collect them in late summer, sow them in a seed-starting mix, and keep them moist until germination, which may take several weeks.
When it's unhappy
Yellow leaves
Why it happens
This can be caused by over-watering or nutrient deficiency.
How to fix it
Check the soil moisture and reduce watering if necessary. Consider fertilizing if the plant has not been fed recently.
Wilting
Why it happens
Wilting typically indicates under-watering or heat stress.
How to fix it
Water the plant thoroughly and ensure it is in a shaded area during the hottest parts of the day.
Root rot
Why it happens
Root rot is often caused by overly wet soil and poor drainage.
How to fix it
Ensure the pot has adequate drainage holes, and reduce watering frequency. If root rot is severe, consider repotting into fresh soil.
Browning leaf edges
Why it happens
This can be a sign of low humidity or inconsistent watering.
How to fix it
Increase humidity by misting the plant or using a humidity tray, and ensure consistent watering.
Pests (aphids, slugs)
Why it happens
Pests can infest Bleeding Heart, especially in damp conditions.
How to fix it
Inspect regularly and treat infestations with insecticidal soap or neem oil, and remove slugs by hand.
Care through the year
Spring
In spring, ensure the plant is well-watered as it emerges from dormancy. Fertilize with a balanced fertilizer to encourage new growth.
Summer
During summer, provide adequate shade and water regularly, especially during hot spells. Monitor for pests and maintain humidity levels.
Fall
In fall, reduce watering as the plant begins to die back. Prune dead foliage after it has completely withered.
Winter
In winter, protect the plant from extreme cold by mulching around the base. Water sparingly, as the plant is dormant.
Toxicity & Safety
Bleeding Heart is toxic to pets, particularly cats and dogs, as well as children. All parts of the plant contain alkaloids that can cause symptoms such as vomiting, diarrhea, and abdominal pain if ingested.
Good to know
Why are my Bleeding Heart leaves turning yellow?
Yellow leaves on a Bleeding Heart can indicate over-watering or nutrient deficiency. Check the soil moisture and consider fertilizing if it has been a while since the last feeding.
How often should I water my Bleeding Heart?
Water your Bleeding Heart once a week during the growing season, ensuring the top inch of soil is dry before watering again. Adjust frequency during hot weather.
What type of soil is best for Bleeding Heart?
Bleeding Heart thrives in well-draining, rich, organic soil with a pH of 6.0 to 7.0. A mix of garden soil, compost, and peat moss works well.
Can I grow Bleeding Heart in full sun?
Bleeding Heart prefers partial shade to full shade. Full sun can scorch the leaves, so it's best to provide filtered light or dappled shade.
When should I prune my Bleeding Heart?
Prune your Bleeding Heart in late fall after the foliage has died back. This helps tidy the plant and prevent disease.
How do I propagate Bleeding Heart?
You can propagate Bleeding Heart by division or seeds. For division, separate the roots in early spring or fall. For seeds, sow them in a seed-starting mix and keep moist until germination.
Is Bleeding Heart toxic to pets?
Yes, Bleeding Heart is toxic to pets, particularly cats and dogs, as well as children. All parts of the plant can cause symptoms like vomiting and abdominal pain if ingested.
Grows well with
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.