Love-Lies-Bleeding vs Lupin Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Love-Lies-Bleeding

Love-Lies-Bleeding

Amaranthus caudatus

VS
Lupin

Lupin

Lupinus spp.

Love-Lies-Bleeding

Love-Lies-Bleeding

Amaranthus caudatus

Love-Lies-Bleeding is an annual flowering plant known for its dramatic, cascading flower spikes. It typically grows to a height of 3-8 feet outdoors. The flowers are small and densely packed along the long, rope-like inflorescences, usually in shades of deep red, but also available in green or gold. While it can be started indoors, it is primarily an outdoor plant grown for its ornamental value in gardens and cut flower arrangements. People grow it for its unique appearance and the visual interest it adds to landscapes.

Amaranthaceae South America (likely Peru)
✨ Features: Unique cascading flower spikes, attracts pollinators.
📖 Read Complete Love-Lies-Bleeding Guide
Lupin

Lupin

Lupinus spp.

Lupinus is a genus of flowering plants characterized by their distinctive palmate leaves and tall, showy flower spikes. These plants are typically herbaceous perennials or annuals, growing from 0.3 to 1.5 meters tall. The flowers come in a wide range of colors, including blue, purple, pink, white, and yellow. Lupins are primarily grown outdoors for their ornamental value in gardens and meadows, attracting pollinators like bees and butterflies. They are not typically grown indoors due to their high light requirements and size.

Fabaceae Primarily North and South America, with some species in Europe and Africa
✨ Features: Nitrogen-fixing properties, attractive to pollinators
📖 Read Complete Lupin Guide

Quick Plant Comparison

Feature Love-Lies-Bleeding Lupin
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily.
Watering Every 2-3 days in hot weather, every 5-7 days in cooler weather (outdoors) Every 7-10 days, depending on weather and soil drainage.
Humidity 30-50% 30-50%
Temperature 18-27°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-2 feet (indoors, unlikely to thrive), 3-8 feet (outdoors) Not applicable for indoor growing; typically 0.3-1.5 meters outdoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a mix of garden soil, compost, and perlite. Well-draining, slightly acidic to neutral soil. Sandy loam is ideal.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (outdoors) 30 minutes weekly during the growing season.

🔬 Botanical Information — Comparing These Plants

Love-Lies-Bleeding

Scientific Name Amaranthus caudatus
Family Amaranthaceae
Native To South America (likely Peru)
Also Known As Tassel Flower, Quilete, Incan Wheat
Leaves The leaves are ovate to lance-shaped, typically green, and can grow up to 6 inches long. They are arranged alternately along the stems.
Flowers The flowers are small and densely packed along the long, rope-like inflorescences. They are typically deep red, but can also be green or gold. Flowering occurs primarily in summer and fall.

Lupin

Scientific Name Lupinus spp.
Family Fabaceae
Native To Primarily North and South America, with some species in Europe and Africa
Also Known As Lupin, Lupine
Leaves The leaves of lupins are palmate, meaning they have multiple leaflets radiating from a central point, resembling a hand. The leaflets are typically lance-shaped and green in color. The texture is slightly hairy.
Flowers Lupins rarely, if ever, flower indoors due to insufficient light. Outdoors, they produce tall, showy flower spikes with numerous pea-like flowers in a variety of colors, including blue, purple, pink, white, and yellow.

📏 Size & Growth — Plant Comparison

Love-Lies-Bleeding

Height 1-2 feet (indoors, unlikely to thrive), 3-8 feet (outdoors)
Spread 1-3 feet
Growth Rate Fast
Growth Pattern Upright, branching plant with long, pendulous flower spikes that cascade downwards.

Lupin

Height Not applicable for indoor growing; typically 0.3-1.5 meters outdoors.
Spread Not applicable for indoor growing; typically 0.3-0.6 meters outdoors.
Growth Rate Moderate
Growth Pattern Lupins grow upright with a bushy habit. They produce tall, vertical flower spikes that can reach up to 1.5 meters in height. They do not spread aggressively.

🌱 Propagation — Comparing Plant Growth

Love-Lies-Bleeding

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in spring after the last frost, or start indoors 6-8 weeks before the last frost. Keep soil moist until germination.

Lupin

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: For seeds, scarify and soak them in water for 24 hours before planting. Divide established plants in spring or fall. Stem cuttings should be taken in spring and rooted in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

Love-Lies-Bleeding

The cascading flower spikes are its most distinctive feature, setting it apart from many other flowering plants. The vibrant red color (in most varieties) adds a dramatic touch to any garden.

  • ✓ Attracts pollinators to the garden
  • ✓ Provides unique visual interest
  • ✓ Can be used as a cut flower
  • ✓ Seeds are edible
  • ✓ Relatively easy to grow from seed outdoors
  • ⚠️ Toxic to pets

Lupin

Lupins are known for their ability to fix nitrogen in the soil, making them a valuable addition to gardens. Their tall, colorful flower spikes are also a distinctive feature. They are not suitable for indoor growing.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Improves soil fertility through nitrogen fixation.
  • ✓ Adds vibrant color and visual interest to gardens.
  • ✓ Provides a habitat for beneficial insects.
  • ✓ Can be used as a green manure.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Love-Lies-Bleeding

Repotting Not applicable as it is an annual and not typically grown in containers long-term.
Pruning Deadhead spent flowers to encourage continued blooming.
Fertilizing Balanced fertilizer (10-10-10) every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In spring, sow seeds. In summer, provide regular watering and fertilization. In fall, collect seeds for the next season. In winter, the plant will die back as it is an annual.

Lupin

Repotting Not applicable for indoor growing.
Pruning Deadhead spent flowers to encourage further blooming. Cut back foliage in the fall.
Fertilizing Balanced fertilizer (10-10-10) applied in spring before flowering, diluted to half strength.
Seasonal Care In spring, fertilize and provide support for tall flower spikes. In summer, water regularly and deadhead spent flowers to encourage further blooming. In fall, cut back foliage after flowering. In winter, protect from frost in colder climates.

🌞 Light Requirements

Love-Lies-Bleeding

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Lupin

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily.

Low light tolerant: ❌ No

💧 Watering Needs

Love-Lies-Bleeding

Water deeply when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

Lupin

Water deeply when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

🌡️ Temperature & Humidity

Love-Lies-Bleeding

Temperature: 18-27°C

Humidity: 30-50%

Lupin

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Love-Lies-Bleeding

Love-Lies-Bleeding

Amaranthus caudatus
Care: Expert Time: 15 minutes weekly (outdoors) Beginner: No

Gardeners looking to add a unique and dramatic visual element to their outdoor landscape.

✅ Choose This Plant If...

  • You want a dramatic and unique plant for your garden
  • You need a plant that attracts pollinators
  • You want to grow your own cut flowers
  • You want to add height and texture to your landscape
  • You are looking for a plant that is easy to propagate from seed.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You don't have a sunny outdoor space
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden, sunny flower bed
🎨 Style: Bohemian, Cottagecore, Eclectic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Amaranthus species contain soluble oxalates. They are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and diarrhea. In horses, kidney damage and colic can occur.
Lupin

Lupin

Lupinus spp.
Care: Expert Time: 30 minutes weekly during the growing season. Beginner: No

Gardeners looking to add vibrant color and attract pollinators to their outdoor spaces.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You need a plant that can fix nitrogen in the soil.
  • You desire a vibrant and colorful addition to your outdoor landscape.
  • You have a sunny garden space.
  • You enjoy plants with unique, vertical flower spikes.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You have pets that might ingest the plant.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden or meadow with full sun exposure.
🎨 Style: Cottage garden, Naturalistic, Bohemian
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds, contain quinolizidine alkaloids which are toxic to dogs, cats, horses, and humans. Symptoms include gastrointestinal upset, incoordination, and respiratory distress. Refer to ASPCA for details.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Love-Lies-Bleeding has fast growth, while Lupin grows moderate.

💡 Pro Tips For Comparing These Plants

Love-Lies-Bleeding Care Tips

Love-Lies-Bleeding is primarily an outdoor plant that requires full sun and well-draining soil. It is unlikely to thrive indoors due to its high light requirements. Indoor cultivation would require very bright supplemental lighting and careful monitoring of watering to prevent root rot. It is also toxic to pets.

  • Start seeds indoors 6-8 weeks before the last frost for a head start
  • Provide full sun for optimal growth and flowering
  • Ensure well-draining soil to prevent root rot
  • Deadhead spent flowers to encourage more blooms
  • Monitor for pests and treat promptly.
❄️ Winter: As an annual, Love-Lies-Bleeding does not require winter care. The plant will die back after the first frost. Collect seeds for the next growing season.
☀️ Summer: Provide regular watering, especially during hot and dry periods. Fertilize every 4-6 weeks with a balanced fertilizer. Monitor for pests and diseases.

Lupin Care Tips

Lupins are primarily outdoor plants and are challenging to grow indoors due to their high light requirements and size. They need full sun, well-draining soil, and careful watering. Indoor cultivation is generally not recommended.

  • Provide support for tall flower spikes to prevent them from bending or breaking.
  • Deadhead spent flowers regularly to encourage continuous blooming.
  • Ensure good drainage to prevent root rot.
  • Protect from strong winds that can damage the flower spikes.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, protect lupins from frost by mulching around the base of the plant. Cut back foliage after flowering and allow the plant to enter dormancy.
☀️ Summer: Water regularly during dry periods. Deadhead spent flowers to encourage further blooming. Provide support for tall flower spikes to prevent them from bending or breaking.

⚠️ Common Problems & Solutions — Plant Care Comparison

Love-Lies-Bleeding

Common Issues: Aphids, Spider mites, Root rot
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering frequency.

Lupin

Common Issues: Powdery mildew, Aphids, Root rot, Lack of flowering
Solutions: For powdery mildew, improve air circulation and apply a fungicide. Control aphids with insecticidal soap. Prevent root rot by ensuring good drainage and avoiding overwatering. Lack of flowering can be due to insufficient sunlight or poor soil.

❓ Frequently Asked Questions — Comparing These Plants

Love-Lies-Bleeding

What are the light requirements for Love-Lies-Bleeding?

Love-Lies-Bleeding requires a significant amount of sunlight to thrive and produce its characteristic vibrant blooms. Aim for at least 6-8 hours of direct sunlight per day. In indoor environments, place the plant near a south-facing window to maximize light exposure. If natural light is insufficient, consider supplementing with grow lights, particularly during the shorter days of winter.

How do I care for Love-Lies-Bleeding?

Love-Lies-Bleeding thrives in well-draining soil and requires regular watering, especially during hot weather. Aim to keep the soil consistently moist but not waterlogged. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer to encourage abundant blooming. Deadhead spent flowers to promote continuous flowering.

How do I propagate Love-Lies-Bleeding?

Love-Lies-Bleeding can be propagated easily from seeds. Collect seeds from dried flower heads and sow them directly into well-draining soil in spring. Keep the soil consistently moist and provide ample sunlight. Alternatively, stem cuttings can be taken in late spring or early summer. Take a 4-6 inch cutting, remove the lower leaves, and place it in water or moist potting mix until roots develop. Division is not a common method for this plant. Keiki propagation does not apply to this species.

Lupin

What are the light requirements for Lupin?

Lupins require at least six to eight hours of direct sunlight per day to thrive and produce abundant blooms. Insufficient light can result in leggy growth, fewer flowers, and paler foliage. Choose a location in your garden that receives full sun throughout the day. If you live in a hotter climate, provide some afternoon shade to protect the plants from scorching. When starting lupins indoors, use grow lights to supplement natural light, especially during the shorter days of winter. Rotate the plants regularly to ensure even light exposure on all sides. A south-facing location is ideal, but east or west-facing spots can also work if they receive enough sunlight.

How do I care for Lupin?

Lupins thrive in well-drained, slightly acidic soil. Full sun is essential for optimal flowering, but they can tolerate partial shade, especially in hotter climates. Water regularly, especially during dry spells, but avoid overwatering to prevent root rot. Fertilize in early spring with a balanced fertilizer or a fertilizer formulated for flowering plants to encourage abundant blooms. Deadhead spent flower spikes to promote further flowering and prevent self-seeding. Provide support for tall varieties to prevent them from flopping over. Protect from slugs and snails, which can damage young plants. Prune back after flowering to encourage a bushier habit. Monitor for pests like aphids and treat as needed. Mulch around the base of the plant to retain moisture and suppress weeds. Ensure good air circulation to prevent fungal diseases.

How do I propagate Lupin?

Lupins can be propagated by seed, division, or stem cuttings.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.