Mayflower vs Oxalis Triangularis Plant Comparison

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

Mayflower

Mayflower

Epigaea repens

VS
Oxalis Triangularis

Oxalis Triangularis

Oxalis triangularis

Mayflower

Mayflower

Epigaea repens

Epigaea repens, commonly known as Mayflower or Trailing Arbutus, is a low-growing, evergreen shrub native to eastern North America. It features creeping or trailing stems that are covered in bristly hairs. The plant is prized for its early spring blooms, which are small, fragrant, and typically pink or white. Mayflower is primarily an outdoor plant, thriving in acidic, well-drained soil in woodland settings. People grow it for its beautiful, delicate flowers and its ability to provide ground cover in shaded areas. It is notoriously difficult to cultivate outside of its native habitat.

Ericaceae Eastern North America
✨ Features: Early spring blooms, evergreen foliage, native plant
📖 Read Complete Mayflower 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 Mayflower Oxalis Triangularis
Light Partial shade to full shade 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 1-2 weeks, depending on rainfall and soil drainage Every 7-10 days, depending on environmental conditions
Humidity 50-70% 40-60%
Temperature 10-21°C 18-24°C
Care Level Expert Easy
Growth Rate Slow Moderate
Max Height 15-20 cm 30-45 cm
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Acidic, well-drained soil rich in organic matter (e.g., a mix of peat moss, sand, and leaf mold) Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 15 minutes weekly 5-10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Mayflower

Scientific Name Epigaea repens
Family Ericaceae
Native To Eastern North America
Also Known As Trailing Arbutus, Ground Laurel
Leaves The leaves are oval to rounded, 2-5 cm long, and leathery in texture. They are dark green and covered in bristly hairs, especially when young. The leaves are evergreen, providing year-round interest.
Flowers Mayflower rarely, if ever, flowers indoors. Outdoors, it produces small, fragrant, bell-shaped flowers in early spring. The flowers are typically pink or white and occur in clusters.

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

Mayflower

Height 15-20 cm
Spread 30-60 cm
Growth Rate Slow
Growth Pattern Trailing or creeping evergreen shrub that forms a low-growing mat. It spreads slowly via rhizomes.

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

Mayflower

Methods: Seed, stem cuttings, layering

Difficulty: Difficult

Tips: Propagating from seed is challenging and requires stratification. Stem cuttings should be taken in spring or early summer and rooted in acidic soil. Layering is the most reliable method.

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

Mayflower

Mayflower is one of the earliest blooming wildflowers in eastern North America, often flowering while snow is still on the ground. Its fragrant blooms are a welcome sign of spring. It is notoriously difficult to cultivate outside of its native habitat due to its specific soil and environmental requirements.

  • ✓ Provides ground cover
  • ✓ Attracts pollinators
  • ✓ Adds beauty to shaded areas
  • ✓ Native plant supports local ecosystems
  • ✓ Fragrant blooms enhance the garden experience
  • 🐾 Pet Safe

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

Mayflower

Repotting Not applicable for indoor growing, as it is not recommended. If attempted, repot only when necessary in early spring.
Pruning Minimal pruning is required. Remove dead or damaged foliage as needed.
Fertilizing Acid-loving plant fertilizer, diluted to half strength, applied in early spring before blooming.
Seasonal Care In winter, protect from harsh winds and heavy snow. In summer, ensure adequate moisture and shade. Spring is the blooming season, so provide fertilizer before blooms appear. Fall requires no special care.

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

Mayflower

Partial shade to full shade

Low light tolerant: ✅ Yes

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

Mayflower

Water deeply when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage.

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

Mayflower

Temperature: 10-21°C

Humidity: 50-70%

Oxalis Triangularis

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Mayflower

Mayflower

Epigaea repens
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners in regions with naturally acidic soil who want a native ground cover.

✅ Choose This Plant If...

  • You want a native ground cover for acidic soil
  • You appreciate early spring blooms
  • You have a shaded woodland garden
  • You are an experienced gardener looking for a challenge
  • You want to attract pollinators to your garden

❌ Skip This Plant If...

  • You have alkaline soil
  • You are a beginner gardener
  • You want a low-maintenance plant
  • You want an easy indoor plant
  • You don't have a shaded area
📍 Ideal Location: Outdoor woodland garden with acidic soil and partial to full shade
🎨 Style: Woodland, Naturalistic, Cottage
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Epigaea repens is not listed as toxic to dogs, cats, or horses.
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 Mayflower ✓
Less Maintenance Oxalis Triangularis
Apartment Friendly Oxalis Triangularis

⚡ Key Differences Between These Plants

🎯

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

📈

Mayflower has slow growth, while Oxalis Triangularis grows moderate.

💡 Pro Tips For Comparing These Plants

Mayflower Care Tips

Mayflower is extremely challenging to grow indoors due to its specific requirements for acidic soil, high humidity, and cool temperatures. It requires very careful monitoring and precise environmental control to thrive. Primarily an outdoor plant, indoor cultivation is not recommended.

  • Ensure acidic soil with a pH of 4.5-6.0
  • Provide consistent moisture, especially during dry periods
  • Protect from harsh winds and direct sunlight
  • Mulch with pine needles or oak leaves to maintain soil acidity
  • Avoid transplanting once established, as it dislikes root disturbance
❄️ Winter: Protect from harsh winds and heavy snow with a layer of mulch. Ensure adequate moisture if the ground is not frozen.
☀️ Summer: Provide shade during the hottest part of the day. Ensure adequate moisture, especially during dry periods. 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

Mayflower

Common Issues: Root rot, leaf spot, iron chlorosis, failure to bloom
Solutions: Ensure well-drained soil and avoid overwatering to prevent root rot. Treat leaf spot with a fungicide. Correct iron chlorosis by amending the soil with iron chelate. Provide appropriate light and temperature conditions to encourage blooming.

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

Mayflower

What are the light requirements for Mayflower?

Mayflower thrives in partial shade, mimicking its natural woodland environment. Direct sunlight can scorch the delicate foliage, while too little light can inhibit flowering. Ideally, provide dappled sunlight or morning sun with afternoon shade. An east-facing location is often suitable. If growing indoors, place the plant near a north-facing window or use sheer curtains to filter the light. Monitor the leaves for signs of stress, such as sunburn (brown spots) or etiolation (leggy growth). Adjust the plant’s position accordingly. Supplement with artificial light during winter months or in dimly lit environments. Consider using a grow light with a spectrum suitable for flowering plants. Rotate the plant regularly to ensure even light exposure.

How do I care for Mayflower?

Mayflower requires specific conditions to thrive in cultivation. Plant in acidic, well-draining soil amended with peat moss or leaf mold. Provide partial shade, mimicking its natural woodland habitat. Water consistently, keeping the soil moist but not waterlogged, especially during the growing season. Fertilize sparingly in early spring with an acid-loving plant fertilizer. Maintain high humidity levels, ideally above 60%, using a humidifier or pebble tray. Protect from harsh winds and intense sunlight. Prune lightly after flowering to remove dead or damaged foliage. Monitor for pests such as spider mites and aphids, and treat promptly with appropriate insecticides. Ensure good air circulation to prevent fungal diseases. Mayflower is challenging to cultivate, requiring patience and attention to detail. Regular monitoring of soil pH and moisture levels is essential. Consider mulching with pine needles to maintain soil acidity.

How do I propagate Mayflower?

Mayflower propagation is challenging. Division is the most reliable method. Carefully divide established plants in early spring, ensuring each division has healthy roots and foliage. Replant in acidic, well-draining soil. Stem cuttings are difficult but can be attempted. Take softwood cuttings in spring, dip in rooting hormone, and plant in a peat moss and perlite mix. Maintain high humidity and indirect light. Keiki (offsets) are rare in Mayflower. If present, carefully detach and plant as you would a division. Success rates for all methods are low, so patience and careful attention are essential. Rooting hormone can improve success rates for stem cuttings. Maintain consistent moisture and humidity throughout the propagation process.

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 19, 2026 — Plant care data reviewed and verified by our editorial team.