Natal Plum vs Pittosporum Plant Comparison

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

Natal Plum

Natal Plum

Carissa macrocarpa

VS
Pittosporum

Pittosporum

Pittosporum spp.

Natal Plum

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.

Apocynaceae South Africa
✨ Features: Edible fruit (when ripe), fragrant flowers, thorny branches provide a natural barrier.
📖 Read Complete Natal Plum Guide
Pittosporum

Pittosporum

Pittosporum spp.

Pittosporum is a genus of evergreen shrubs and trees known for their glossy, leathery leaves and often fragrant flowers. They range in size from small shrubs to medium-sized trees, depending on the species. Pittosporums are primarily grown outdoors for their attractive foliage, which can be green, variegated, or even purple. Their dense growth habit makes them popular for hedging, screening, and ornamental landscaping. While some species can tolerate indoor conditions for a short period, they generally thrive outdoors with ample sunlight and air circulation. The appeal lies in their versatility and relatively low maintenance when planted in suitable climates.

Pittosporaceae Australia, New Zealand, East Asia, and parts of Africa
✨ Features: Fragrant flowers (some species), attractive foliage, drought tolerance once established.
📖 Read Complete Pittosporum Guide

Quick Plant Comparison

Feature Natal Plum Pittosporum
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive and produce fruit. Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, a south-facing window is necessary but often insufficient.
Watering Every 7-14 days, depending on environmental conditions and pot size. Outdoors: Every 1-2 weeks, depending on weather. Indoors: Every 10-14 days, but monitor soil moisture closely.
Humidity 40-60% 30-50%
Temperature 18-27°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Indoors: Rarely exceeds 1-2 meters. Outdoors: Up to 4 meters. Outdoors: Up to 10 meters. Indoors: Rarely exceeds 2 meters and is unlikely to thrive long-term.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil mix, such as a combination of potting soil, perlite, and sand. Well-draining soil mix. A blend of potting mix, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (including watering, pruning, and pest control) 30 minutes monthly (pruning, fertilizing, pest control).

🔬 Botanical Information — Comparing These Plants

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.

Pittosporum

Scientific Name Pittosporum spp.
Family Pittosporaceae
Native To Australia, New Zealand, East Asia, and parts of Africa
Also Known As Pittosporum, Cheesewood, Japanese Pittosporum, Mock Orange
Leaves The leaves are typically oval or lance-shaped, with a glossy, leathery texture. They range in color from light green to dark green, and some varieties have variegated foliage with cream or yellow margins. Leaf size varies depending on the species, but they are generally 5-10 cm long.
Flowers Pittosporum produces small, fragrant flowers, typically in spring or early summer. The flowers are often white or cream-colored and may be followed by small, round fruits. Flowering is rare indoors.

📏 Size & Growth — Plant Comparison

Natal Plum

Height Indoors: Rarely exceeds 1-2 meters. Outdoors: Up to 4 meters.
Spread Indoors: 1-1.5 meters. Outdoors: Up to 3 meters.
Growth Rate Moderate
Growth Pattern Natal Plum grows as a dense, multi-stemmed shrub or small tree. It can be pruned into a hedge or allowed to grow naturally. Its growth is relatively upright but can spread with age.

Pittosporum

Height Outdoors: Up to 10 meters. Indoors: Rarely exceeds 2 meters and is unlikely to thrive long-term.
Spread Outdoors: Up to 5 meters. Indoors: Up to 1 meter.
Growth Rate Moderate
Growth Pattern Pittosporum grows as an upright shrub or small tree, forming a dense, rounded or oval shape. It can be pruned to maintain a specific shape or allowed to grow naturally.

🌱 Propagation — Comparing Plant Growth

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.

Pittosporum

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide humidity.

✨ Benefits & Features — Comparing Plant Value

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

Pittosporum

Pittosporum's unique characteristic is its glossy, evergreen foliage, which provides year-round visual interest. Some species also offer fragrant flowers, adding to their appeal. The plant's adaptability to pruning makes it ideal for shaping into hedges or topiaries.

  • ✓ Provides privacy with dense foliage.
  • ✓ Adds visual interest with glossy leaves and fragrant flowers.
  • ✓ Requires minimal watering once established.
  • ✓ Attracts pollinators to the garden.
  • ✓ Offers a versatile landscaping option for hedging, screening, or specimen planting.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Natal Plum

Repotting Repot every 2-3 years, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and size, and to remove dead or damaged branches. Prune after flowering to encourage new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 months during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and protect from frost if grown in containers. In summer, ensure adequate sunlight and water during hot periods.

Pittosporum

Repotting Repot every 2-3 years if grown in a container, but indoor growth is generally slow.
Pruning Prune to maintain shape and size. Can be pruned heavily to create a dense hedge.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength. Apply every 2-3 months during the growing season (spring and summer).
Seasonal Care Spring/Summer: Fertilize and water regularly. Fall/Winter: Reduce watering and protect from frost in colder climates.

🌞 Light Requirements

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

Pittosporum

Full sun to partial shade. Requires at least 6 hours of direct sunlight outdoors. Indoors, a south-facing window is necessary but often insufficient.

Low light tolerant: ❌ No

💧 Watering Needs

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.

Pittosporum

Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, while underwatering causes leaf drop. Ensure good drainage.

🌡️ Temperature & Humidity

Natal Plum

Temperature: 18-27°C

Humidity: 40-60%

Pittosporum

Temperature: 15-24°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Natal Plum

Natal Plum

Carissa macrocarpa
Care: Expert Time: 30 minutes weekly (including watering, pruning, and pest control) Beginner: No

Experienced 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.
📍 Ideal Location: Outdoors in a sunny location. If attempting indoors, a south-facing window with supplemental lighting is necessary.
🎨 Style: Mediterranean, Coastal, Tropical
🏠 Apartment Friendly: No
⚠️ All parts of the plant except the ripe fruit are considered toxic. Contains cardiac glycosides. Symptoms in pets include vomiting, diarrhea, weakness, and potentially more severe cardiac issues. Toxic to dogs, cats, and horses.
Pittosporum

Pittosporum

Pittosporum spp.
Care: Expert Time: 30 minutes monthly (pruning, fertilizing, pest control). Beginner: No

Gardeners in mild climates looking for an attractive and versatile evergreen shrub for hedging or screening.

✅ Choose This Plant If...

  • You live in a mild climate with plenty of sunshine.
  • You need a plant for hedging or screening in your garden.
  • You appreciate fragrant flowers.
  • You want a relatively low-maintenance evergreen shrub.
  • You have experience with outdoor gardening and pest control.

❌ Skip This Plant If...

  • You live in a cold climate with harsh winters.
  • You are looking for an easy-to-grow indoor plant.
  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You dislike pruning and shaping plants.
📍 Ideal Location: Outdoors in a sunny garden or patio.
🎨 Style: Traditional, Mediterranean, Coastal
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pittosporum is toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. All parts of the plant are considered toxic.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

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.
❄️ Winter: Reduce watering frequency during winter. Protect from frost if grown in containers by moving indoors or providing insulation. Avoid fertilizing during dormancy.
☀️ Summer: Ensure adequate watering during hot summer months. Provide afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support growth and fruit production.

Pittosporum Care Tips

Pittosporums are primarily outdoor plants that struggle indoors due to high light requirements and the need for good air circulation. Maintaining adequate light and preventing pests are the biggest challenges. It's best suited for outdoor landscaping.

  • Plant in well-draining soil to prevent root rot.
  • Provide ample sunlight for optimal growth and flowering.
  • Prune regularly to maintain shape and size.
  • Protect from frost in colder climates.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, protect Pittosporum from frost by wrapping the base of the plant with burlap or moving container plants indoors. Reduce watering during the winter months.
☀️ Summer: Water regularly during the summer months, especially during hot, dry periods. Mulch around the base of the plant to help retain moisture and suppress weeds.

⚠️ Common Problems & Solutions — Plant Care Comparison

Natal Plum

Common Issues: Scale insects, mealybugs, root rot, lack of fruit production indoors.
Solutions: Scale/Mealybugs: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Lack of fruit: Ensure adequate sunlight and pollination.

Pittosporum

Common Issues: Scale, Aphids, Root rot, Leaf spot
Solutions: Scale/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Leaf spot: Remove affected leaves and apply a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

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.

Pittosporum

What are the light requirements for Pittosporum?

Pittosporum thrives in bright, indirect light. Insufficient light can lead to leggy growth and reduced foliage density. An east-facing window is often ideal, providing gentle morning sun. A south-facing window can also work, but be sure to filter the light with a sheer curtain to prevent leaf scorch. North-facing windows may not provide enough light, especially during the darker months. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is inadequate, supplement with artificial grow lights. Place the grow lights 12-18 inches above the plant. Observe the plant for signs of light stress, such as pale leaves or stunted growth, and adjust its location accordingly.

How do I care for Pittosporum?

Pittosporum prefers bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Use a well-draining potting mix. Maintain moderate humidity levels, especially during dry indoor conditions. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and encourage bushier growth. Repot every 1-2 years, or when the plant becomes root-bound, into a slightly larger pot. Monitor for pests such as aphids and spider mites, and treat promptly if detected. Provide stable temperatures, avoiding sudden fluctuations or drafts. Ensure proper air circulation around the plant. Wipe the leaves occasionally to remove dust and maintain their shine.

How do I propagate Pittosporum?

Pittosporum can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag or humidity dome to maintain humidity. Roots should develop in 4-6 weeks. For air layering, make a small cut on a healthy stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop in a few weeks. Once roots are visible, cut the stem below the rooted area and plant it in a pot. Ensure the pot is the correct size and the plant is secured.

Last updated: May 20, 2026 — Plant care data reviewed and verified by our editorial team.