Living Stone vs Pimpernel Plant Comparison

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

Living Stone

Living Stone

Lithops spp.

VS
Pimpernel

Pimpernel

Lysimachia arvensis

Living Stone

Living Stone

Lithops spp.

Lithops are fascinating succulent plants that mimic the appearance of pebbles or stones in their native arid environments. They consist of one or more pairs of nearly fused, fleshy leaves that are mostly buried beneath the soil surface, with only the top surface exposed. These surfaces are often patterned with fissures, spots, and lines, providing camouflage. Lithops are grown for their unique appearance and ability to thrive in extremely dry conditions. They are primarily outdoor plants but can be grown indoors with very specific care.

Aizoaceae Southern Africa, primarily South Africa and Namibia
✨ Features: Unique camouflage appearance, drought tolerance.
📖 Read Complete Living Stone 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 Living Stone Pimpernel
Light Very high light intensity is crucial. Requires at least 4-6 hours of direct sunlight daily. Insufficient light will cause etiolation (stretching) and loss of color. Full sun
Watering Every 2-4 weeks during the growing season (spring/fall), almost none in winter. Every 2-3 days in hot weather, 5-7 days in cooler weather, depending on soil dryness.
Humidity 20-40% 30-50%
Temperature 18-27°C 15-25°C
Care Level Expert Expert
Growth Rate Very Slow Fast
Max Height 2-5 cm 10-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Extremely well-draining succulent mix. A mix of 50% pumice or perlite, 25% coarse sand, and 25% potting soil is ideal. Well-draining soil, sandy or loamy soil is preferred.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5-10 minutes weekly (mostly observation). 5 minutes weekly (weeding, removing dead foliage)

🔬 Botanical Information — Comparing These Plants

Living Stone

Scientific Name Lithops spp.
Family Aizoaceae
Native To Southern Africa, primarily South Africa and Namibia
Also Known As Living Stones, Pebble Plants, Mimicry Plants
Leaves The leaves are fleshy, smooth, and typically gray-green, brown, or reddish-brown. They are often patterned with fissures, spots, and lines that provide camouflage. The top surface of the leaves is translucent, allowing light to penetrate for photosynthesis.
Flowers Lithops can flower indoors, typically in the fall. The flowers are daisy-like, white or yellow, and emerge from the fissure between the leaves. They are usually fragrant.

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

Living Stone

Height 2-5 cm
Spread 2-5 cm
Growth Rate Very Slow
Growth Pattern Lithops grow as a pair of fused leaves, typically emerging from the soil surface. They do not have stems. New leaves emerge from within the old ones, which gradually shrivel and dry up.

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

Living Stone

Methods: Seed, Division (carefully separating offsets)

Difficulty: Moderate

Tips: Seeds require warmth and humidity to germinate. Division should only be done when the plant has multiple heads and is actively growing. Allow cut surfaces 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

Living Stone

Lithops are unique due to their mimicry adaptation, resembling pebbles in their native habitat. This camouflage helps them avoid being eaten by herbivores. Their growth cycle is also unusual, as they produce new leaves from within the old ones.

  • ✓ Unique and fascinating appearance
  • ✓ Conversation starter
  • ✓ Low maintenance once established
  • ✓ Drought-tolerant
  • ✓ Adds a touch of the desert to your home
  • ⚠️ 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

Living Stone

Repotting Every 2-3 years, or when the plant outgrows its pot. Repot in late summer or early fall, after flowering.
Pruning Remove dead or dried leaves carefully. Avoid damaging the healthy leaves.
Fertilizing Use a diluted, low-nitrogen succulent fertilizer once or twice during the growing season (spring/fall). Avoid fertilizing during dormancy.
Seasonal Care Spring/Fall: Growing season, water sparingly when leaves wrinkle. Summer: Protect from intense afternoon sun. Winter: Dormancy, almost no watering, keep cool.

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

Living Stone

Very high light intensity is crucial. Requires at least 4-6 hours of direct sunlight daily. Insufficient light will cause etiolation (stretching) and loss of color.

Low light tolerant: ❌ No

Pimpernel

Full sun

Low light tolerant: ❌ No

💧 Watering Needs

Living Stone

Water very sparingly, only when the leaves become visibly wrinkled and soft. Overwatering is the most common cause of death. During dormancy (winter), watering should be almost completely stopped. Signs of overwatering include mushy leaves and splitting. Signs of underwatering include excessive wrinkling and shriveling.

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

Living Stone

Temperature: 18-27°C

Humidity: 20-40%

Pimpernel

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Living Stone

Living Stone

Lithops spp.
Care: Expert Time: 5-10 minutes weekly (mostly observation). Beginner: No

Experienced succulent growers who can provide intense light and understand the plant's dormancy cycle.

✅ Choose This Plant If...

  • You are fascinated by unusual succulents and have experience with their care.
  • You can provide very bright, direct sunlight, either naturally or with grow lights.
  • You are patient and understand the plant's slow growth and dormancy cycle.
  • You are careful with watering and understand the importance of well-draining soil.
  • You appreciate the unique aesthetic of mimicry plants.

❌ Skip This Plant If...

  • You tend to overwater plants.
  • You cannot provide adequate sunlight.
  • You are new to succulent care.
  • You have pets that might ingest the plant.
📍 Ideal Location: South-facing windowsill or under grow lights.
🎨 Style: Minimalist, Desert, Eclectic
🏠 Apartment Friendly: Limited
⚠️ Lithops contain irritant compounds. While not deadly, ingestion can cause gastrointestinal upset, including vomiting and diarrhea, in dogs, cats, and horses. Sap may cause skin irritation.
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

📈

Living Stone has very slow growth, while Pimpernel grows fast.

💡 Pro Tips For Comparing These Plants

Living Stone Care Tips

Lithops are challenging to grow indoors due to their high light requirements and sensitivity to overwatering. They need very well-draining soil, infrequent watering, and a period of dormancy in winter. Success depends on mimicking their native arid environment.

  • Use a terracotta pot to promote drainage.
  • Water only when the leaves are visibly wrinkled.
  • Provide excellent ventilation to prevent rot.
  • Avoid fertilizing during dormancy.
  • Repot in fresh soil every 2-3 years.
❄️ Winter: During winter dormancy, reduce watering significantly or stop completely. Keep the plant cool (around 10-15°C) and provide bright, indirect light. Avoid fertilizing.
☀️ Summer: Protect Lithops from intense afternoon sun to prevent scorching. Ensure good ventilation to prevent rot. Water sparingly, only when the leaves show signs of wrinkling.

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

Living Stone

Common Issues: Overwatering, etiolation (stretching due to insufficient light), rot, mealybugs.
Solutions: Overwatering: Allow soil to dry completely and improve drainage. Etiolation: Increase light exposure. Rot: Remove affected parts and repot in fresh, dry soil. Mealybugs: 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

Living Stone

What are the light requirements for Living Stone?

Living Stones thrive in bright, direct sunlight. They need at least 4-6 hours of direct sunlight daily to maintain their compact shape and vibrant colors. An east or south-facing window is ideal. If you don’t have enough natural light, supplement with a grow light. Insufficient light can cause them to stretch and lose their color, a condition known as etiolation. Rotate your plant regularly to ensure even light exposure. Monitor your plant closely and adjust its position as needed to provide optimal light.

How do I care for Living Stone?

Living Stones require very specific care to thrive. Plant them in a well-draining succulent mix with added grit or perlite. Provide them with bright, direct sunlight for at least 4-6 hours daily. Water sparingly, only when the soil is completely dry, typically only a few times a year. Avoid watering during their dormancy period (usually late fall to early spring) when they are splitting. Overwatering is the most common cause of death. Maintain a temperature between 65-80°F (18-27°C). Repot only when necessary, and choose a pot with drainage holes. Fertilize very lightly, if at all, during the growing season (spring and summer).

How do I propagate Living Stone?

Living Stones are typically propagated by seeds or offsets. Offsets are small plants that grow alongside the parent plant. To propagate from offsets, gently separate them from the parent plant when they are large enough to handle. Plant the offsets in well-draining succulent mix. Water sparingly until they establish roots. Seed propagation is more challenging but can be done by sowing seeds on the surface of moist succulent mix. Cover with a clear lid or plastic wrap to maintain humidity. Keep in a warm, bright location until germination occurs. Gradually acclimate the seedlings to drier conditions. Leaf cuttings and stem cuttings are not viable methods for Lithops.

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 20, 2026 — Plant care data reviewed and verified by our editorial team.