Lithops vs Natal Plum Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Lithops
Lithops spp.
Lithops are fascinating succulents that mimic small pebbles or stones in their native arid environments. They consist of a pair of fused, fleshy leaves with a fissure between them, from which a flower emerges. These plants are naturally outdoor dwellers, thriving in intense sunlight and well-draining soil. People grow them for their unique appearance, compact size, and the surprise of their daisy-like flowers, which typically appear in the fall. Lithops are adapted to survive long periods of drought, making them relatively low-maintenance if their specific needs are met.
Natal Plum
Carissa macrocarpa
Carissa macrocarpa, or Natal Plum, is a dense, evergreen shrub or small tree known for its glossy, dark green leaves and fragrant, star-shaped white flowers. It produces edible, plum-like red fruits that are rich in vitamin C. While it can be grown in containers, it's primarily an outdoor plant, thriving in warm climates. People grow it for its ornamental value, edible fruit, and use as a security hedge due to its thorny branches. It's not ideally suited as an indoor plant due to high light requirements and potential size.
Quick Plant Comparison
| Feature | Lithops | Natal Plum |
|---|---|---|
| Light | Very high light intensity is crucial. At least 6-8 hours of direct sunlight per day is required for optimal growth and flowering. | Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive and produce fruit. |
| Watering | Every 2-4 weeks during the growing season, less or none during dormancy. | Every 7-14 days, depending on environmental conditions and pot size. |
| Humidity | 20-40% | 40-60% |
| Temperature | 18-27°C | 18-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Very Slow | Moderate |
| Max Height | 2-5 cm | Indoors: Rarely exceeds 1-2 meters. Outdoors: Up to 4 meters. |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Extremely well-draining succulent mix. A mix of 1 part potting soil, 2 parts coarse sand, and 1 part perlite or pumice is ideal. | Well-draining soil mix, such as a combination of potting soil, perlite, and sand. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 5 minutes weekly (mostly observation and infrequent watering) | 30 minutes weekly (including watering, pruning, and pest control) |
🔬 Botanical Information — Comparing These Plants
Lithops
| Scientific Name | Lithops spp. |
|---|---|
| Family | Aizoaceae |
| Native To | Southern Africa (Namibia, South Africa, Botswana) |
| Also Known As | Living Stones, Pebble Plants, Flowering Stones |
| Leaves | The leaves are typically smooth, rounded, and fleshy, resembling pebbles or stones. They come in a variety of colors and patterns, including shades of gray, brown, green, and reddish-brown. The upper surface of the leaves often has translucent windows or patterns that allow light to penetrate for photosynthesis. |
| Flowers | Lithops can flower indoors, typically in the fall. The flowers are daisy-like, ranging in color from white to yellow to orange. They emerge from the fissure between the leaves and can last for several days. |
Natal Plum
| Scientific Name | Carissa macrocarpa |
|---|---|
| Family | Apocynaceae |
| Native To | South Africa |
| Also Known As | Natal Plum, Large Num-Num |
| Leaves | The leaves are glossy, dark green, and oval-shaped, measuring 2-5 cm in length. They are arranged oppositely on the stems and have a leathery texture. |
| Flowers | Natal Plum produces fragrant, star-shaped white flowers in spring and summer. While it can flower indoors with sufficient light, fruit production is less common. |
📏 Size & Growth — Plant Comparison
Lithops
Natal Plum
🌱 Propagation — Comparing Plant Growth
Lithops
Methods: Seed, Division (carefully separate offsets)
Difficulty: Moderate
Tips: Seeds require warm temperatures and high humidity to germinate. Division should only be attempted when the plant naturally splits and forms offsets. Allow the cut surfaces to callous over before planting.
Natal Plum
Methods: Stem cuttings, Seed
Difficulty: Moderate
Tips: Take semi-hardwood cuttings in spring or summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide warmth and humidity.
✨ Benefits & Features — Comparing Plant Value
Lithops
Lithops are masters of camouflage, blending seamlessly with their rocky surroundings to avoid being eaten. They have a unique growth cycle where new leaves emerge from within the old ones, which then shrivel and dry up.
- ✓ Unique and conversation-starting plant.
- ✓ Adds a touch of the desert to your home.
- ✓ Low maintenance once established.
- ✓ Can be a long-lived plant.
- ✓ Offers a sense of accomplishment when successfully grown.
- ⚠️ Toxic to pets
Natal Plum
The Natal Plum is unique for its combination of fragrant flowers, edible fruit, and thorny branches. Its drought tolerance makes it a suitable choice for xeriscaping.
- ✓ Provides edible fruit rich in Vitamin C
- ✓ Offers fragrant flowers that attract pollinators
- ✓ Acts as a natural security barrier due to its thorns
- ✓ Adds an ornamental touch to gardens with its glossy foliage
- ✓ Can be used in traditional medicine (with caution and expert knowledge)
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Lithops
Natal Plum
🌞 Light Requirements
Lithops
Very high light intensity is crucial. At least 6-8 hours of direct sunlight per day is required for optimal growth and flowering.
Low light tolerant: ❌ No
Natal Plum
Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive and produce fruit.
Low light tolerant: ❌ No
💧 Watering Needs
Lithops
Water very sparingly. Overwatering is the most common cause of death. Water only when the leaves become visibly wrinkled or shrunken, typically during their active growing season (spring and fall). Stop watering entirely during dormancy (summer and winter) unless the leaves become excessively shriveled. Signs of overwatering include mushy, translucent leaves.
Natal Plum
Water deeply 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 underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.
🌡️ Temperature & Humidity
Lithops
Temperature: 18-27°C
Humidity: 20-40%
Natal Plum
Temperature: 18-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Lithops
Lithops spp.Experienced succulent growers who can provide intense light and understand the plant's dormancy cycle.
✅ Choose This Plant If...
- You are fascinated by unique and unusual plants.
- You can provide very bright, direct sunlight.
- You are experienced with succulent care and understand dormancy periods.
- You are careful with watering and avoid overwatering.
- You appreciate the challenge of growing a somewhat difficult plant.
❌ Skip This Plant If...
- You tend to overwater plants.
- You cannot provide very bright, direct sunlight.
- You are a beginner plant owner.
- You have pets that might ingest the plant.
- You prefer plants that grow quickly and are visually dynamic.
Natal Plum
Carissa macrocarpaExperienced gardeners in warm climates who want an ornamental shrub with edible fruit, and who can ensure it is kept away from pets.
✅ Choose This Plant If...
- You live in a warm climate with plenty of sunshine.
- You want an ornamental shrub with fragrant flowers and edible fruit.
- You need a natural barrier or security hedge.
- You are an experienced gardener looking for a new challenge.
- You are willing to provide the specific care this plant needs.
❌ Skip This Plant If...
- You have pets or small children due to the plant's toxicity.
- You live in a cold climate with limited sunlight.
- You are a beginner gardener.
- You don't have space for a large shrub.
- You are looking for a low-maintenance indoor plant.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Lithops has very slow growth, while Natal Plum grows moderate.
💡 Pro Tips For Comparing These Plants
Lithops Care Tips
Lithops are challenging to grow indoors due to their high light requirements and sensitivity to overwatering. They need very bright light, extremely well-draining soil, and careful watering. Dormancy periods must be respected. Success requires a deep understanding of their growth cycle.
- Use a terracotta pot to promote drainage.
- Provide excellent ventilation to prevent rot.
- Avoid getting water on the leaves.
- Do not fertilize during dormancy.
- Monitor closely for signs of pests or disease.
Natal Plum Care Tips
Natal Plum is primarily an outdoor plant and requires significant sunlight to thrive. Growing it indoors is challenging due to its high light needs and potential size. It needs well-draining soil, moderate watering, and occasional fertilization. Toxicity to pets is a major concern.
- Provide at least 6 hours of direct sunlight daily for optimal growth and fruit production.
- Water deeply but infrequently, allowing the soil to dry slightly between waterings.
- Fertilize regularly during the growing season with a balanced fertilizer.
- Prune regularly to maintain shape and encourage new growth.
- Protect from frost in colder climates.
⚠️ Common Problems & Solutions — Plant Care Comparison
Lithops
Natal Plum
❓ Frequently Asked Questions — Comparing These Plants
Lithops
What are the light requirements for Lithops?
Lithops thrive in bright, indirect sunlight. They need at least 4-6 hours of direct sunlight per day, but intense afternoon sun can scorch their leaves, especially during the summer months. An east-facing window is ideal, providing gentle morning sun. If growing Lithops indoors, supplement natural light with a grow light, especially during the winter months when sunlight is limited.
How do I care for Lithops?
Lithops require very specific care to thrive. Provide them with extremely well-draining soil, such as a mix of pumice, perlite, and coarse sand. Water sparingly, only when the leaves become slightly wrinkled, typically during their active growing season (spring and fall). Avoid watering during dormancy (summer and winter) when the old leaves are being absorbed.
How do I propagate Lithops?
Lithops are typically propagated from seeds, as leaf cuttings and offsets are not viable methods. Stem cuttings are not applicable since Lithops lack a traditional stem. To propagate from seeds, sow them in a well-draining seed starting mix in spring or early summer. Keep the soil consistently moist but not waterlogged. Cover the container with a humidity dome or plastic wrap to maintain moisture.
Natal Plum
What are the light requirements for Natal Plum?
Natal Plum requires ample sunlight to flourish and produce its characteristic blooms and fruits. Ideally, it should receive at least 6 hours of direct sunlight per day. In regions with intense sunlight, particularly during the hottest part of the day, providing some afternoon shade can prevent leaf scorch.
How do I care for Natal Plum?
Natal Plum thrives in full sun to partial shade. Ensure at least 6 hours of sunlight daily for optimal flowering and fruit production. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Avoid overwatering, which can lead to root rot. Maintain moderate humidity, especially indoors.
How do I propagate Natal Plum?
Natal Plum can be propagated through stem cuttings. Take 4-6 inch stem cuttings from healthy, non-flowering shoots in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting typically occurs within 4-8 weeks.
Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.