Mother of Thousands vs Pimpernel Plant Comparison

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

Mother of Thousands

Mother of Thousands

Kalanchoe daigremontiana

VS
Pimpernel

Pimpernel

Lysimachia arvensis

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
Pimpernel

Pimpernel

Lysimachia arvensis

Scarlet Pimpernel is a low-growing annual plant typically found in fields, gardens, and disturbed areas. It's characterized by its small, oval-shaped leaves and distinctive bright scarlet (though sometimes pink, orange, or blue) flowers that open only when the sun is shining. The plant rarely exceeds 30 cm in height. While historically used in herbal medicine, it's now primarily considered a weed. It is not typically grown indoors due to its preference for full sun and its weedy nature.

Primulaceae Europe, North Africa, and parts of Asia; naturalized worldwide
✨ Features: Flowers close in response to impending rain or cloudy weather.
📖 Read Complete Pimpernel Guide

Quick Plant Comparison

Feature Mother of Thousands Pimpernel
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and plantlet production. Full sun
Watering Every 2-3 weeks, depending on environmental conditions and pot size. Every 2-3 days in hot weather, 5-7 days in cooler weather, depending on soil dryness.
Humidity 20-40% 30-50%
Temperature 18-24°C 15-25°C
Care Level Moderate Expert
Growth Rate Fast Fast
Max Height 0.3-1 meter (indoors) 10-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining soil, sandy or loamy soil is preferred.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 5 minutes weekly (weeding, removing dead foliage)

🔬 Botanical Information — Comparing These Plants

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.

Pimpernel

Scientific Name Lysimachia arvensis
Family Primulaceae
Native To Europe, North Africa, and parts of Asia; naturalized worldwide
Also Known As Scarlet Pimpernel, Red Pimpernel, Shepherd's Weatherglass, Poor Man's Weatherglass
Leaves Small, oval-shaped leaves, typically 1-2 cm long, arranged in opposite pairs along the stem. The leaves are a light green color and have smooth edges.
Flowers Flowers are small, about 1 cm in diameter, and typically bright scarlet, though pink, orange, and blue varieties exist. They open only when the sun is shining and close in response to cloudy weather or impending rain. Flowering occurs primarily in spring and summer. It is unlikely to flower indoors.

📏 Size & Growth — Plant Comparison

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.

Pimpernel

Height 10-30 cm
Spread Spreads readily, up to 30 cm
Growth Rate Fast
Growth Pattern Low-growing, spreading annual with a sprawling habit. It forms a mat-like ground cover.

🌱 Propagation — Comparing Plant Growth

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.

Pimpernel

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in spring or fall. Seeds germinate readily in warm, sunny conditions.

✨ Benefits & Features — Comparing Plant Value

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

Pimpernel

The flowers of Scarlet Pimpernel are known to close in response to impending rain or cloudy weather, earning it the name 'Shepherd's Weatherglass'. The flower color can vary, with scarlet being the most common, but pink, orange, and blue varieties also exist.

  • ✓ Attracts pollinators
  • ✓ Provides ground cover
  • ✓ Historically used for weather prediction
  • ✓ Adds color to the garden
  • ✓ Self-seeds easily
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Pimpernel

Repotting Not applicable as it's an annual and not typically grown in pots.
Pruning Not typically needed; remove dead or damaged foliage as needed.
Fertilizing Not typically needed; avoid over-fertilizing.
Seasonal Care In spring and summer, ensure adequate sunlight and water. In fall, allow seeds to disperse for next year's growth. In winter, the plant typically dies back.

🌞 Light Requirements

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

Pimpernel

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

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.

Pimpernel

Water thoroughly when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. Allow the soil to dry slightly between waterings. Signs of overwatering include yellowing leaves and a soggy soil surface. Underwatering will cause wilting and dry, brittle leaves.

🌡️ Temperature & Humidity

Mother of Thousands

Temperature: 18-24°C

Humidity: 20-40%

Pimpernel

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

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.
Pimpernel

Pimpernel

Lysimachia arvensis
Care: Expert Time: 5 minutes weekly (weeding, removing dead foliage) Beginner: No

Gardeners looking for a low-maintenance ground cover in a sunny location, aware of its potential to spread.

✅ Choose This Plant If...

  • You want a low-growing ground cover for a sunny area.
  • You are interested in a plant with a historical connection to weather forecasting.
  • You want to attract pollinators to your garden.
  • You have a well-draining, sandy soil.
  • You are looking for a plant that self-seeds easily.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You want a plant that thrives indoors.
  • You are looking for a low-maintenance houseplant.
📍 Ideal Location: Outdoor garden, sunny field, or disturbed area.
🎨 Style: Wildflower, Cottage Garden
🏠 Apartment Friendly: No
⚠️ Contains toxic glycosides and cyclamin. Can cause gastrointestinal upset, including vomiting and diarrhea, in dogs, cats, and horses. Skin irritation may also occur.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

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

📈

Mother of Thousands has fast growth, while Pimpernel grows fast.

💡 Pro Tips For Comparing These Plants

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.

Pimpernel Care Tips

Scarlet Pimpernel is primarily an outdoor plant and is very difficult to cultivate indoors. It requires full sun and well-draining soil. It is considered a weed in many areas and can spread rapidly. Indoor cultivation is not recommended.

  • Ensure well-draining soil to prevent root rot.
  • Provide full sun for optimal flowering.
  • Avoid over-fertilizing, as this can lead to excessive foliage growth.
  • Monitor for aphids and treat promptly.
  • Allow the plant to self-seed for continuous growth.
❄️ Winter: The plant typically dies back in winter. Allow seeds to disperse for next year's growth.
☀️ Summer: Ensure adequate sunlight and water during the summer months. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Pimpernel

Common Issues: Aphids, powdery mildew, root rot
Solutions: Treat aphids with insecticidal soap. Improve air circulation to prevent powdery mildew. Ensure well-draining soil to prevent root rot.

❓ Frequently Asked Questions — Comparing These Plants

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.

Pimpernel

What are the light requirements for Pimpernel?

Pimpernel generally prefers partial sunlight, receiving about 4-6 hours of direct sunlight per day. However, some varieties can tolerate full sun, especially in cooler climates. Insufficient light can lead to leggy growth and reduced flowering. Indoors, place Pimpernel near a sunny window, such as an east- or west-facing window. Rotate the plant regularly to ensure even light exposure. If natural light is insufficient, supplement with artificial grow lights. Be mindful of intense afternoon sun, which can scorch the leaves, particularly in hot climates.

How do I care for Pimpernel?

Pimpernel thrives in well-draining soil and prefers partial to full sunlight, depending on the specific species. Water regularly, allowing the soil to dry slightly between waterings. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer to encourage abundant blooming. Prune back spent flowers to promote further flowering. Provide adequate air circulation to prevent fungal diseases. Pimpernel can tolerate a range of temperatures but prefers moderate conditions. Repot in spring if the plant becomes root-bound. Monitor for pests like aphids and spider mites and treat accordingly.

How do I propagate Pimpernel?

Pimpernel can be easily propagated through stem cuttings or division.

Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.