Lobelia vs Mother of Thousands Plant Comparison

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

Lobelia

Lobelia

Lobelia cardinalis

VS
Mother of Thousands

Mother of Thousands

Kalanchoe daigremontiana

Lobelia

Lobelia

Lobelia cardinalis

Lobelia cardinalis, the cardinal flower, is a herbaceous perennial native to North America. It typically grows to a height of 2-4 feet. It features vibrant red, tubular flowers arranged on upright spikes. This plant is primarily grown outdoors in moist, well-drained soil, often near streams or ponds. While its striking color makes it desirable, it's challenging to maintain indoors due to its high light and humidity requirements. Gardeners cultivate it for its beauty and its attraction to hummingbirds and butterflies.

Campanulaceae North America
✨ Features: Attracts hummingbirds and butterflies
📖 Read Complete Lobelia Guide
Mother of Thousands

Mother of Thousands

Kalanchoe daigremontiana

Mother of Thousands is a succulent perennial characterized by its prolific production of plantlets along the margins of its leaves. It features lance-shaped, fleshy leaves that are typically grey-green with purple blotches on the underside. These plantlets readily detach and root, leading to rapid spread. While primarily grown outdoors in warm climates, it's sometimes kept as a houseplant for its unique appearance and ease of propagation. However, its invasive potential and toxicity should be carefully considered. It is not naturally an indoor plant and requires specific conditions to thrive indoors.

Crassulaceae Madagascar
✨ Features: Prolific plantlet production, drought tolerance
📖 Read Complete Mother of Thousands Guide

Quick Plant Comparison

Feature Lobelia Mother of Thousands
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and plantlet production.
Watering Every 2-3 days, depending on weather and soil drainage Every 2-3 weeks, depending on environmental conditions and pot size.
Humidity 60-80% 20-40%
Temperature 15-25°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Fast
Max Height N/A (Primarily outdoor plant) 0.3-1 meter (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Rich, well-drained, consistently moist soil Well-draining succulent or cactus mix
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Lobelia

Scientific Name Lobelia cardinalis
Family Campanulaceae
Native To North America
Also Known As Cardinal flower, Red lobelia
Leaves The leaves are lance-shaped, toothed, and arranged alternately along the stem. They are typically a medium green color.
Flowers It rarely flowers indoors. Outdoors, it produces vibrant red, tubular flowers arranged on upright spikes. The flowers bloom from mid-summer to early fall.

Mother of Thousands

Scientific Name Kalanchoe daigremontiana
Family Crassulaceae
Native To Madagascar
Also Known As Mother of Thousands, Alligator Plant, Mexican Hat Plant, Devil's Backbone
Leaves Lance-shaped, fleshy leaves that are typically grey-green with purple blotches on the underside. The leaf margins are serrated and produce numerous tiny plantlets.
Flowers Rarely flowers indoors. When it does flower, it produces clusters of small, bell-shaped flowers that are typically pink or orange.

📏 Size & Growth — Plant Comparison

Lobelia

Height N/A (Primarily outdoor plant)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Upright, clumping perennial with flowering spikes reaching 2-4 feet tall. It spreads slowly by seed and division.

Mother of Thousands

Height 0.3-1 meter (indoors)
Spread 0.3-0.6 meters (indoors), aggressive spreader
Growth Rate Fast
Growth Pattern Grows upright with a single stem, but can become sprawling as it matures and produces plantlets. The plantlets drop and root, leading to a colony of new plants around the base.

🌱 Propagation — Comparing Plant Growth

Lobelia

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: For seeds, cold stratify for a few weeks before sowing. Division is best done in spring or fall. Stem cuttings should be taken in spring and rooted in water or moist soil.

Mother of Thousands

Methods: Plantlets, Leaf cuttings

Difficulty: Easy

Tips: Simply detach the plantlets from the leaves and place them on top of well-draining soil. Keep the soil slightly moist until roots develop. Leaf cuttings can also be used, allowing the cut end to callous over before planting.

✨ Benefits & Features — Comparing Plant Value

Lobelia

The vibrant red color and tubular shape of the flowers are specifically adapted to attract hummingbirds. It is a native North American plant, making it a valuable addition to local ecosystems.

  • ✓ Attracts pollinators like hummingbirds and butterflies
  • ✓ Adds vibrant color to the garden
  • ✓ Provides a natural habitat for wildlife
  • ✓ Contributes to biodiversity
  • ✓ Offers a visually appealing focal point
  • ⚠️ Toxic to pets

Mother of Thousands

The most unique characteristic is the production of numerous plantlets along the leaf margins, which readily detach and root, leading to rapid propagation. The plant's ability to thrive in arid conditions and its distinctive appearance make it a popular choice for succulent enthusiasts.

  • ✓ Unique aesthetic appeal
  • ✓ Easy propagation for sharing with friends
  • ✓ Drought tolerance reduces watering needs
  • ✓ Interesting conversation starter
  • ✓ Can be used in succulent arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Lobelia

Repotting N/A (Primarily outdoor plant)
Pruning Deadhead spent flowers to encourage continued blooming. Cut back foliage in late fall after it has died back.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied monthly during the growing season (spring and summer)
Seasonal Care In winter, mulch around the base of the plant to protect the roots from freezing. In summer, ensure consistent moisture and provide afternoon shade in hot climates.

Mother of Thousands

Repotting Every 1-2 years, or as needed when the plant becomes root-bound. Consider repotting more frequently if plant is spreading aggressively.
Pruning Remove dead or damaged leaves. Prune to control size and shape.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied once in spring and once in summer.
Seasonal Care Reduce watering in winter during dormancy. Provide bright light year-round.

🌞 Light Requirements

Lobelia

Full sun to partial shade

Low light tolerant: ❌ No

Mother of Thousands

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and plantlet production.

Low light tolerant: ❌ No

💧 Watering Needs

Lobelia

Keep soil consistently moist, especially during hot weather. Overwatering can lead to root rot, indicated by yellowing leaves and a foul smell. Underwatering results in wilting and dry, crispy leaves.

Mother of Thousands

Water thoroughly when the soil is dry to the touch. Allow the soil to dry out completely between waterings to prevent root rot. Overwatering is a common problem. Signs of underwatering include shriveled leaves; overwatering includes soft, mushy leaves.

🌡️ Temperature & Humidity

Lobelia

Temperature: 15-25°C

Humidity: 60-80%

Mother of Thousands

Temperature: 18-24°C

Humidity: 20-40%

🤔 Which Plant Is Right For You?

Lobelia

Lobelia

Lobelia cardinalis
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners looking to attract hummingbirds to their outdoor garden.

✅ Choose This Plant If...

  • You want to attract hummingbirds to your garden.
  • You have a consistently moist area in your garden.
  • You appreciate vibrant red flowers.
  • You are an experienced gardener looking for a rewarding challenge.
  • You want a native North American plant.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You have a dry garden.
  • You are a beginner gardener.
  • You want a low-maintenance plant.
📍 Ideal Location: Outdoor garden near a stream or pond with partial shade
🎨 Style: Cottage garden, Naturalistic garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, salivation, and weakness.
Mother of Thousands

Mother of Thousands

Kalanchoe daigremontiana
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Experienced plant owners who want a unique and easily propagated succulent, and who can provide adequate light and keep it away from pets.

✅ Choose This Plant If...

  • You want a plant that is easy to propagate.
  • You are fascinated by unique plant adaptations.
  • You have a very bright, sunny location.
  • You want a drought-tolerant plant.
  • You enjoy watching plants develop and spread rapidly.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You are prone to overwatering plants.
  • You don't have a very sunny location.
  • You want a low-maintenance plant that doesn't require much attention.
  • You live in an area where it is considered an invasive species.
📍 Ideal Location: South-facing window or sunroom
🎨 Style: Bohemian, Desert, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Contains bufadienolide cardiac glycosides. Symptoms include vomiting, diarrhea, abnormal heart rhythm, and weakness.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Lobelia is rated Expert care level, while Mother of Thousands is Moderate.

📈

Lobelia has moderate growth, while Mother of Thousands grows fast.

💡 Pro Tips For Comparing These Plants

Lobelia Care Tips

Lobelia cardinalis is primarily an outdoor plant and is very difficult to grow indoors. It requires high light, consistent moisture, and high humidity, which are challenging to replicate in a typical indoor environment. It is prone to root rot if not properly drained.

  • Provide consistent moisture, especially during hot weather.
  • Deadhead spent flowers to encourage more blooms.
  • Protect from frost in winter with mulch.
  • Monitor for pests and diseases regularly.
  • Plant in a location with good air circulation to prevent powdery mildew.
❄️ Winter: Cut back foliage after it has died back. Apply a layer of mulch around the base of the plant to protect the roots from freezing.
☀️ Summer: Ensure consistent moisture, especially during hot weather. Provide afternoon shade in hotter climates to prevent scorching.

Mother of Thousands Care Tips

Mother of Thousands is relatively easy to care for, but requires bright light and well-draining soil. Overwatering is a common issue. Its invasive nature and toxicity to pets should be considered. It may struggle indoors without sufficient light.

  • Provide well-draining soil to prevent root rot.
  • Ensure bright, direct sunlight for optimal growth.
  • Allow soil to dry completely between waterings.
  • Monitor for pests and treat promptly.
  • Remove plantlets regularly to control spread.
❄️ Winter: Reduce watering significantly during the winter months as the plant's growth slows down. Ensure the plant still receives bright light.
☀️ Summer: Provide adequate ventilation to prevent overheating. Water more frequently during the summer growing season, but still allow the soil to dry out between waterings.

⚠️ Common Problems & Solutions — Plant Care Comparison

Lobelia

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Improve drainage and reduce watering frequency. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and spray with miticide.

Mother of Thousands

Common Issues: Root rot, etiolation (leggy growth), mealybugs, scale
Solutions: Root rot: Improve drainage and reduce watering frequency. Etiolation: Provide more light. Mealybugs/Scale: Treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Lobelia

What are the light requirements for Lobelia?

Lobelia flourishes in bright, indirect light. Direct sunlight, especially during the hottest part of the day, can scorch its delicate foliage. An east-facing window is often ideal, providing gentle morning sun. If growing outdoors, choose a location that receives partial shade, particularly during the afternoon. Insufficient light can result in leggy growth and reduced blooming. Observe your plant closely and adjust its location as needed to ensure it receives the appropriate amount of light. Rotate container-grown Lobelia periodically to ensure even light exposure on all sides. Supplement natural light with grow lights if necessary, especially during the winter months.

How do I care for Lobelia?

Lobelia thrives with consistent care. Provide bright, indirect light to encourage abundant blooming. Water regularly, keeping the soil consistently moist but not waterlogged; allow the top inch of soil to dry slightly between waterings. Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer diluted to half strength to promote flowering. Pinch back stems regularly to encourage bushier growth and more blooms. Maintain a temperature range of 60-75°F (15-24°C) and provide adequate humidity, especially indoors. Deadhead spent flowers to prolong the blooming period. Repot annually in spring if needed, using a well-draining potting mix. Monitor for pests like aphids and spider mites, and treat promptly if detected. Ensure good air circulation to prevent fungal diseases.

How do I propagate Lobelia?

Lobelia can be propagated through stem cuttings or division.

Mother of Thousands

What are the light requirements for Mother of Thousands?

Mother of Thousands needs bright, indirect sunlight to thrive. Insufficient light can lead to etiolation, where the plant becomes leggy and the leaves lose their vibrant color. An east or west-facing window is typically ideal, providing ample sunlight without being too harsh.

How do I care for Mother of Thousands?

Mother of Thousands thrives in bright, indirect sunlight, requiring at least 6 hours daily. Overwatering is a common issue; allow the soil to dry out completely between waterings. Use a well-draining succulent or cactus mix to prevent root rot. Water thoroughly when the soil is dry, ensuring excess water drains away.

How do I propagate Mother of Thousands?

Mother of Thousands is incredibly easy to propagate. The most common method involves using the plantlets that grow along the leaf edges. Gently detach these plantlets and place them on top of well-draining succulent mix. Keep the soil lightly moist until they root, which usually takes a few weeks.

Last updated: April 21, 2026 — Plant care data reviewed and verified by our editorial team.