Love-lies-bleeding
Amaranthus caudatus
Amaranthus caudatus, commonly known as Love-lies-bleeding, is a striking annual plant valued for its cascading red flowers and vibrant foliage. Originating from South America, this plant is often grown for its ornamental beauty and edible leaves. Its unique appearance and ease of care make it a favorite among gardeners.
Everything it needs
9 essentials at a glance
Watering
Amaranthus caudatus prefers consistently moist soil, especially during its active growing season in spring and summer.
Water deeply once a week, allowing the top inch of soil to dry out between waterings. In hotter months, you may need to water more frequently, up to twice a week. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and leaf drop.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement includes a south-facing garden bed or patio. While it can tolerate partial shade, insufficient light may result in leggy growth and reduced flowering.
Soil
Amaranthus caudatus prefers well-draining soil rich in organic matter, with a pH range of 6.0 to 7.0.
A recommended potting mix includes a combination of potting soil, compost, and perlite to ensure good drainage.
Humidity
This plant enjoys moderate humidity levels, around 40-60%.
To increase humidity, mist the leaves regularly or place a humidity tray filled with water and pebbles beneath the pot. Signs of humidity stress include browning leaf tips and leaf drop.
Temperature
Amaranthus caudatus thrives in warm temperatures, ideally between 70-85°F (21-29°C).
It is best suited for USDA hardiness zones 2-11. While it can tolerate brief periods of heat and cold, prolonged exposure to temperatures below 50°F (10°C) can hinder growth.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 every 4-6 weeks during the growing season.
In fall, reduce fertilization as the plant enters dormancy. Signs of nutrient deficiency include stunted growth and yellowing leaves.
Pruning
Prune Amaranthus caudatus in early spring to encourage bushier growth.
Use clean, sharp scissors or pruning shears to remove any dead or damaged leaves. Deadheading spent flowers can promote further blooming throughout the season.
Repotting
Repot when the plant outgrows its container, typically every 1-2 years.
Signs it needs repotting include roots growing out of the drainage holes or stunted growth. Choose a pot that is 1-2 inches larger in diameter, and follow these steps: gently remove the plant from its pot, loosen any tightly bound roots, and place it in fresh potting mix.
Propagation
Propagation can be achieved through seeds or stem cuttings.
For seeds, sow them directly in the garden after the last frost, spacing them 12-18 inches apart. For stem cuttings, take 4-6 inch cuttings in spring, remove lower leaves, and place them in moist potting mix until roots develop, usually within 2-4 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 it is too wet. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Wilting
Why it happens
Wilting can occur due to under-watering or extreme heat.
How to fix it
Ensure the plant receives adequate water, especially during hot weather. Water deeply to encourage root growth.
Browning leaf tips
Why it happens
This may indicate low humidity or over-fertilization.
How to fix it
Increase humidity by misting or using a humidity tray. Reduce fertilizer application if over-fertilization is suspected.
Leggy growth
Why it happens
Insufficient light can lead to leggy growth.
How to fix it
Move the plant to a sunnier location where it can receive full sun for at least 6-8 hours a day.
Root rot
Why it happens
Over-watering or poorly draining soil can cause root rot.
How to fix it
Ensure proper drainage and reduce watering frequency. If root rot occurs, remove affected roots and repot in fresh, dry soil.
Care through the year
Spring
In spring, focus on fertilizing and watering as the plant begins its active growth phase. Prune any dead or damaged leaves to encourage new growth.
Summer
During summer, ensure consistent watering to keep the soil moist. Monitor for pests and increase humidity if necessary, especially in hotter climates.
Fall
In fall, reduce watering as the plant prepares for dormancy. Continue to deadhead spent flowers to encourage late-season blooms.
Winter
In winter, protect the plant from frost if grown outdoors. If indoors, reduce watering and avoid fertilizing until spring.
Toxicity & Safety
Amaranthus caudatus is generally considered non-toxic to pets and humans. However, excessive consumption of the leaves may lead to digestive upset. Always consult a veterinarian if ingestion occurs.
Good to know
How often should I water my Amaranthus caudatus?
Water your Amaranthus caudatus deeply once a week, allowing the top inch of soil to dry out between waterings. In hot weather, you may need to water more frequently.
What type of soil is best for Amaranthus caudatus?
This plant thrives in well-draining soil rich in organic matter, with a pH range of 6.0 to 7.0. A mix of potting soil, compost, and perlite is ideal.
Why are my Amaranthus caudatus leaves turning yellow?
Yellow leaves can indicate over-watering or a nutrient deficiency. Check soil moisture and adjust watering, and consider fertilizing if needed.
Can Amaranthus caudatus be grown indoors?
Yes, Amaranthus caudatus can be grown indoors if provided with sufficient light. Place it near a south-facing window to ensure it receives at least 6-8 hours of sunlight.
What temperature does Amaranthus caudatus prefer?
This plant thrives in temperatures between 70-85°F (21-29°C) and is best suited for USDA hardiness zones 2-11.
How do I propagate Amaranthus caudatus?
You can propagate Amaranthus caudatus through seeds or stem cuttings. Sow seeds directly in the garden after the last frost or take 4-6 inch cuttings in spring.
What are the common pests affecting Amaranthus caudatus?
Common pests include aphids and spider mites. Regularly inspect your plant and treat infestations with insecticidal soap or neem oil.
Grows well with
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.