Elder vs Oxalis Triangularis Plant Comparison

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

Elder

Elder

Sambucus nigra

VS
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis

Elder

Elder

Sambucus nigra

Sambucus nigra, commonly known as Elder or Elderberry, is a deciduous shrub or small tree typically growing to 5-10 meters tall. It features pinnately compound leaves and produces large, flat-topped clusters of creamy-white flowers in late spring to early summer, followed by clusters of small, dark purple to black berries in late summer. While primarily an outdoor plant, it is sometimes grown in large containers, though it requires significant space and is unlikely to thrive indoors long-term. People grow it for its ornamental value, edible berries (when cooked), and medicinal properties.

Adoxaceae Europe, North Africa, Western Asia
✨ Features: Edible berries (when cooked), medicinal properties, attractive flowers.
📖 Read Complete Elder Guide
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis

Oxalis triangularis is a rhizomatous perennial plant known for its striking, triangular, purple leaves that resemble shamrocks. The leaves fold up at night and reopen during the day in response to light, a phenomenon called nyctinasty. It produces small, trumpet-shaped white or pale pink flowers. It's primarily grown as an ornamental plant, both indoors and outdoors in warmer climates, for its unique foliage and interesting movement. While it can be grown indoors, it thrives with ample bright light.

Oxalidaceae Brazil
✨ Features: Nyctinastic movement (leaves fold up at night), striking purple foliage.
📖 Read Complete Oxalis Triangularis Guide

Quick Plant Comparison

Feature Elder Oxalis Triangularis
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal growth and berry production. Bright indirect light to partial sun. Requires at least 4-6 hours of bright indirect light daily to maintain vibrant color and prevent legginess.
Watering Every 7-10 days during the growing season, less frequently in winter. Every 7-10 days, depending on environmental conditions
Humidity 30-50% 40-60%
Temperature 10-24°C 18-24°C
Care Level Expert Easy
Growth Rate Fast Moderate
Max Height 2-3 meters (indoors, unlikely to reach full outdoor size) 30-45 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter. A slightly acidic to neutral pH (6.0-7.0) is ideal. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 30 minutes weekly (primarily for watering, pruning, and pest control) 5-10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Elder

Scientific Name Sambucus nigra
Family Adoxaceae
Native To Europe, North Africa, Western Asia
Also Known As Elder, Elderberry, Black Elder, European Elder
Leaves The leaves are pinnately compound, with 5-9 leaflets. Each leaflet is oval to lance-shaped, with serrated edges and a dark green color. The leaves are typically 5-10 cm long.
Flowers Elder produces large, flat-topped clusters of creamy-white flowers in late spring to early summer. The flower clusters are typically 10-20 cm in diameter and have a sweet, floral fragrance. Flowering is rare indoors.

Oxalis Triangularis

Scientific Name Oxalis triangularis
Family Oxalidaceae
Native To Brazil
Also Known As Purple Shamrock, False Shamrock, Love Plant
Leaves The leaves are triangular in shape, resembling shamrocks. They are typically a deep purple color, although some varieties have green or variegated leaves. The leaves are smooth and delicate, with three leaflets arranged in a triangular pattern. They range from 2-5 cm in size.
Flowers Oxalis triangularis can flower indoors, especially when provided with adequate light. The flowers are small, trumpet-shaped, and typically white or pale pink. They appear on slender stems above the foliage and add a delicate touch to the plant.

📏 Size & Growth — Plant Comparison

Elder

Height 2-3 meters (indoors, unlikely to reach full outdoor size)
Spread 2-3 meters (indoors, constrained by container)
Growth Rate Fast
Growth Pattern Elder grows as a multi-stemmed shrub or small tree, typically with an upright and spreading habit. It can become quite bushy if left unpruned.

Oxalis Triangularis

Height 30-45 cm
Spread 30-45 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Oxalis triangularis grows in a bushy, upright manner. It emerges from rhizomes, producing multiple stems with triangular leaves. The plant can spread via rhizomes, gradually filling the pot over time.

🌱 Propagation — Comparing Plant Growth

Elder

Methods: Stem cuttings, Seed, Layering

Difficulty: Moderate

Tips: Take softwood cuttings in late spring or hardwood cuttings in late fall. Rooting hormone can improve success. For seeds, cold stratification is required.

Oxalis Triangularis

Methods: Division, Rhizome cuttings, Seed

Difficulty: Easy

Tips: Divide rhizomes during repotting. Plant rhizome cuttings in well-draining soil and keep moist until new growth appears. Seeds can be sown in spring.

✨ Benefits & Features — Comparing Plant Value

Elder

Elder is known for its dual purpose as both an ornamental plant and a source of edible and medicinal berries. Its distinctive flowers and berries make it easily recognizable.

  • ✓ Edible berries (when cooked) for jams, pies, and wines.
  • ✓ Medicinal properties (antiviral, anti-inflammatory).
  • ✓ Attracts pollinators to the garden.
  • ✓ Ornamental value with attractive flowers and foliage.
  • ✓ Provides habitat for wildlife.
  • ⚠️ Toxic to pets

Oxalis Triangularis

The most unique characteristic is the nyctinastic movement of its leaves, folding up at night and opening during the day. The striking purple, triangular foliage also sets it apart from many other houseplants. It's a relatively fast-growing plant that can quickly fill a pot.

  • ✓ Adds a pop of color to any room.
  • ✓ Provides a unique and interesting visual display with its moving leaves.
  • ✓ Relatively easy to care for, making it suitable for beginners.
  • ✓ Can be easily propagated and shared.
  • ✓ Offers a touch of whimsy and natural beauty to indoor spaces.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Elder

Repotting Repot every 1-2 years, or as needed, into a larger container.
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Prune to maintain shape and encourage berry production.
Fertilizing Balanced slow-release fertilizer in early spring. Avoid over-fertilizing, which can reduce berry production.
Seasonal Care In winter, reduce watering and allow the plant to experience a period of dormancy. In summer, ensure adequate watering and protect from intense heat.

Oxalis Triangularis

Repotting Every 1-2 years, or when the plant becomes root-bound. Divide rhizomes during repotting to propagate.
Pruning Remove dead or yellowing leaves to maintain appearance and prevent disease.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in fall and winter as the plant may go dormant. Provide bright light during the growing season (spring and summer).

🌞 Light Requirements

Elder

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

Low light tolerant: ❌ No

Oxalis Triangularis

Bright indirect light to partial sun. Requires at least 4-6 hours of bright indirect light daily to maintain vibrant color and prevent legginess.

Low light tolerant: ❌ No

💧 Watering Needs

Elder

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During hot, dry periods, more frequent watering may be necessary. Reduce watering in the winter when the plant is dormant. Signs of overwatering include yellowing leaves and soggy soil. Underwatering is indicated by wilting and dry leaf edges.

Oxalis Triangularis

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and stem rot. Underwatering can cause the leaves to droop and become crispy.

🌡️ Temperature & Humidity

Elder

Temperature: 10-24°C

Humidity: 30-50%

Oxalis Triangularis

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Elder

Elder

Sambucus nigra
Care: Expert Time: 30 minutes weekly (primarily for watering, pruning, and pest control) Beginner: No

Experienced gardeners with outdoor space who want to grow their own elderberries.

✅ Choose This Plant If...

  • You have ample outdoor space and want to grow elderberries for culinary or medicinal purposes.
  • You are an experienced gardener looking for a challenging and rewarding plant.
  • You appreciate the ornamental value of the flowers and foliage.
  • You want to attract pollinators to your garden.
  • You are interested in a plant with a long history of traditional use.

❌ Skip This Plant If...

  • You have limited space, especially indoors.
  • You are a beginner gardener.
  • You have pets or small children who might ingest toxic plant parts.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ All parts of the plant, except for the fully ripe berries, contain cyanogenic glycosides, which can release cyanide. Symptoms in pets (dogs, cats, horses) include nausea, vomiting, diarrhea, and weakness. The leaves, stems, bark, and roots are the most toxic parts.
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis
Care: Easy Time: 5-10 minutes weekly Beginner: Yes

Plant enthusiasts who appreciate unique foliage and enjoy watching plants respond to light.

✅ Choose This Plant If...

  • You love plants with unique foliage and interesting behaviors.
  • You want a relatively low-maintenance plant that adds a pop of color.
  • You enjoy watching plants respond to their environment.
  • You have a bright spot in your home that needs a statement plant.
  • You want a plant that is easy to propagate and share with friends.

❌ Skip This Plant If...

  • You have pets that are prone to eating plants, as it is toxic to them.
  • You struggle to provide adequate bright light for plants.
  • You tend to overwater your plants.
📍 Ideal Location: Bright windowsill, sunroom, or under grow lights.
🎨 Style: Modern, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Oxalis species contain soluble calcium oxalates. These can cause salivation, vomiting, and diarrhea in dogs, cats, and horses. In rare cases, kidney failure can occur.

🎯 Quick Verdict

Best for Beginners Oxalis Triangularis
Pet Friendly Neither - caution
Less Maintenance Oxalis Triangularis
Apartment Friendly Oxalis Triangularis

⚡ Key Differences Between These Plants

🎯

Elder is rated Expert care level, while Oxalis Triangularis is Easy.

📈

Elder has fast growth, while Oxalis Triangularis grows moderate.

💡 Pro Tips For Comparing These Plants

Elder Care Tips

Elder is primarily an outdoor plant and is challenging to grow indoors due to its need for full sun, large size, and dormancy requirements. It requires a very large container, careful watering, and attention to potential pest issues. Indoor growth is unlikely to be successful long-term.

  • Provide full sun for optimal berry production.
  • Ensure well-draining soil to prevent root rot.
  • Prune annually to maintain shape and encourage fruiting.
  • Protect from strong winds.
  • Monitor for pests and diseases regularly.
❄️ Winter: Reduce watering significantly during the winter months. Protect the roots from freezing temperatures if grown in a container outdoors. Provide a period of dormancy.
☀️ Summer: Ensure adequate watering during hot, dry periods. Protect from intense afternoon sun in extremely hot climates. Monitor for pests and diseases.

Oxalis Triangularis Care Tips

Oxalis triangularis is relatively easy to care for indoors with proper light and watering. It requires bright indirect light to maintain its vibrant color and prevent legginess. Avoid overwatering and allow the soil to dry slightly between waterings. It can go dormant in the winter, requiring less water.

  • Provide bright, indirect light to maintain vibrant foliage color.
  • Allow the soil to dry slightly between waterings to prevent root rot.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Rotate the plant regularly to ensure even growth on all sides.
  • Consider providing a period of dormancy in the winter by reducing watering and keeping the plant in a cooler location.
❄️ Winter: Reduce watering significantly during the winter months, as the plant may enter a period of dormancy. Keep the plant in a cooler location (around 15-18°C) and provide bright, indirect light. Avoid fertilizing during dormancy.
☀️ Summer: Increase watering during the summer months to keep the soil consistently moist but not waterlogged. Provide bright, indirect light and fertilize regularly to support active growth. Protect the plant from intense direct sunlight, which can scorch the leaves.

⚠️ Common Problems & Solutions — Plant Care Comparison

Elder

Common Issues: Aphids, Spider mites, Powdery mildew, Lack of berry production (indoors)
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Powdery mildew: Improve air circulation and use a fungicide. Lack of berry production: Insufficient sunlight, lack of pollination (hand-pollinate indoors).

Oxalis Triangularis

Common Issues: Leggy growth, Yellowing leaves, Root rot, Pests (spider mites, aphids)
Solutions: Provide more light for leggy growth. Adjust watering and ensure good drainage for yellowing leaves and root rot. Treat pests with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Elder

What are the light requirements for Elder?

Elder trees thrive in bright, indirect light. While they can tolerate some direct morning sun, prolonged exposure to intense afternoon sun can scorch their delicate leaves. Place your indoor Elder near an east- or west-facing window where it will receive plenty of filtered sunlight. If you notice the leaves becoming pale or yellowing, it may be a sign that the plant is receiving too much direct light. Conversely, if the plant becomes leggy or the leaves lose their vibrancy, it may need more light. Supplement with a grow light if natural light is insufficient, especially during the darker winter months. Monitor the plant’s growth and adjust its placement as needed to ensure optimal light exposure.

How do I care for Elder?

Provide your indoor Elder tree with bright, indirect light. Too much direct sun can scorch the leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Use a well-draining potting mix formulated for trees or shrubs. Maintain a stable environment, avoiding sudden temperature fluctuations and drafts. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and size, removing any dead or damaged branches. Repot every 1-2 years, or when the plant becomes root-bound, into a slightly larger pot. Check regularly for pests and treat promptly. Provide adequate humidity, especially during dry winter months, by misting the plant or using a humidifier. Ensure the pot has drainage holes. Rotate the plant periodically to ensure even growth.

How do I propagate Elder?

Elder can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in moist, well-draining potting mix. Cover with a plastic bag to create a humid environment and keep in bright, indirect light. Roots should develop in a few weeks. For air layering, wound a section of stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Once roots have formed, cut the stem below the roots and plant in a pot. Ensure the pot is appropriately sized.

Oxalis Triangularis

What are the light requirements for Oxalis Triangularis?

Oxalis Triangularis thrives in bright, indirect light. Too much direct sunlight can scorch its delicate leaves, causing them to turn brown or yellow. Insufficient light, on the other hand, can lead to leggy growth and a loss of color intensity. An east-facing window is often ideal, providing gentle morning light. A west-facing window can work if the plant is shielded from the intense afternoon sun.

How do I care for Oxalis Triangularis?

Oxalis Triangularis thrives in bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Ensure the pot has drainage holes to prevent root rot. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.

How do I propagate Oxalis Triangularis?

Oxalis Triangularis is easily propagated through division. During dormancy, carefully remove the bulbs from the soil. Gently separate the bulbs, ensuring each section has roots. Plant the bulbs in fresh, well-draining potting mix. Water thoroughly and place in bright, indirect light.

Last updated: April 27, 2026 — Plant care data reviewed and verified by our editorial team.