Creeping Jenny vs Lupin Plant Comparison

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

Creeping Jenny

Creeping Jenny

Lysimachia nummularia

VS
Lupin

Lupin

Lupinus spp.

Creeping Jenny

Creeping Jenny

Lysimachia nummularia

Creeping Jenny (Lysimachia nummularia) is a perennial ground cover known for its trailing stems and round, coin-like leaves. It's primarily an outdoor plant, often used in gardens as a ground cover, in hanging baskets, or cascading over walls. While it can be grown indoors, it requires specific conditions to thrive and may not be as vigorous as when grown outdoors. People grow it for its attractive foliage and ability to quickly cover ground.

Primulaceae Europe
✨ Features: Attractive foliage, trailing growth habit
📖 Read Complete Creeping Jenny 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 Creeping Jenny Lupin
Light Bright, indirect light to full sun outdoors. Indoors, provide bright indirect light, ideally near a south- or west-facing window. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily.
Watering Every 3-7 days, depending on light and temperature Every 7-10 days, depending on weather and soil drainage.
Humidity 40-60% 30-50%
Temperature 18-24°C 15-24°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 2-10 cm (indoors) Not applicable for indoor growing; typically 0.3-1.5 meters outdoors.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining, slightly acidic to neutral soil. Sandy loam is ideal.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 30 minutes weekly during the growing season.

🔬 Botanical Information — Comparing These Plants

Creeping Jenny

Scientific Name Lysimachia nummularia
Family Primulaceae
Native To Europe
Also Known As Creeping Jenny, Moneywort, Twopenny Grass
Leaves The leaves are small, round, and coin-like, typically 1-2 cm in diameter. They are usually bright green, but some varieties have golden or variegated foliage. The texture is smooth and slightly succulent.
Flowers It rarely flowers indoors. When it does, it produces small, yellow, cup-shaped flowers in the summer.

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

Creeping Jenny

Height 2-10 cm (indoors)
Spread 30-60 cm (indoors, spreads via rhizomes)
Growth Rate Fast
Growth Pattern Trailing and spreading. It grows horizontally, forming a dense mat of foliage. Stems can reach up to 60 cm in length indoors.

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

Creeping Jenny

Methods: Stem cuttings, Division

Difficulty: Easy

Tips: Take stem cuttings in spring or summer and root them in water or directly in moist soil. Division can be done in spring or fall by separating the rhizomes.

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

Creeping Jenny

Creeping Jenny is known for its rapid growth and trailing habit, making it a popular choice for ground cover and hanging baskets. Its small, round leaves give it a unique and attractive appearance. It is also relatively easy to propagate from stem cuttings.

  • ✓ Adds visual interest to indoor spaces with its trailing habit.
  • ✓ Can be easily propagated to create more plants.
  • ✓ Provides a touch of greenery to brighten up a room.
  • ✓ Relatively easy to care for once its needs are understood.
  • ✓ Can be used in various container arrangements.
  • ⚠️ 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

Creeping Jenny

Repotting Every 1-2 years, or as needed when the plant becomes root-bound. Repot into a slightly larger container.
Pruning Prune regularly to maintain shape and encourage bushier growth. Trim back any leggy or overgrown stems.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and withhold fertilizer. Ensure adequate light. In summer, provide consistent moisture and fertilize regularly.

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

Creeping Jenny

Bright, indirect light to full sun outdoors. Indoors, provide bright indirect light, ideally near a south- or west-facing window.

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

Creeping Jenny

Keep the soil consistently moist, but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Overwatering can lead to root rot, while underwatering will cause the leaves to wilt and turn brown. 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

Creeping Jenny

Temperature: 18-24°C

Humidity: 40-60%

Lupin

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Creeping Jenny

Creeping Jenny

Lysimachia nummularia
Care: Expert Time: 10 minutes weekly Beginner: With-caution

Experienced plant owners looking for a trailing plant to add to a bright indoor space or outdoor container.

✅ Choose This Plant If...

  • You want a trailing plant for a hanging basket or container arrangement.
  • You have a bright indoor space where it can receive ample light.
  • You enjoy the look of its small, round, coin-like leaves.
  • You are an experienced plant owner who can provide the necessary care.
  • You want a plant that is easy to propagate.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You cannot provide bright, indirect light indoors.
  • You are a beginner plant owner looking for a low-maintenance plant.
📍 Ideal Location: Bright windowsill, hanging basket near a window
🎨 Style: Cottagecore, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Lysimachia is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.
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

📈

Creeping Jenny has fast growth, while Lupin grows moderate.

💡 Pro Tips For Comparing These Plants

Creeping Jenny Care Tips

Creeping Jenny is relatively easy to grow outdoors, but requires more attention indoors. Providing adequate light and consistent moisture are crucial. It can become leggy and less vibrant indoors without sufficient light. Regular pruning is needed to maintain its shape and prevent it from becoming too invasive.

  • Provide bright, indirect light to prevent leggy growth.
  • Water thoroughly when the top inch of soil is dry.
  • Fertilize regularly during the growing season.
  • Prune regularly to maintain shape and encourage bushier growth.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency. Ensure the plant receives adequate light, even during shorter days. Avoid fertilizing during the winter months.
☀️ Summer: Water more frequently during hot weather. Fertilize regularly to support growth. Protect from intense direct sunlight, which can scorch the leaves.

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

Creeping Jenny

Common Issues: Leggy growth, Root rot, Pests (spider mites, aphids), Leaf spot
Solutions: Provide more light for leggy growth. Ensure good drainage and avoid overwatering to prevent root rot. Treat pests with insecticidal soap or neem oil. Remove affected leaves and improve air circulation for leaf spot.

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

Creeping Jenny

What are the light requirements for Creeping Jenny?

Creeping Jenny prefers bright, indirect light, but it can tolerate partial shade. In brighter light, the foliage will be more vibrant and the growth will be more vigorous. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. An east-facing window is ideal, but a north- or west-facing window can also work, as long as the plant receives sufficient light.

How do I care for Creeping Jenny?

Creeping Jenny thrives in bright, indirect light but can tolerate some shade. Water when the top inch of soil feels dry to the touch, avoiding overwatering which can lead to root rot. Well-draining soil is crucial. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain desired shape and encourage bushier growth.

How do I propagate Creeping Jenny?

Creeping Jenny is easily propagated through stem cuttings or layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Place the cutting in water or directly into moist potting mix. Roots should develop within a few weeks.

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.