Painted Daisy vs Purple Shamrock Plant Comparison

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

Painted Daisy

Painted Daisy

Tanacetum coccineum

VS
Purple Shamrock

Purple Shamrock

Oxalis triangularis

Painted Daisy

Painted Daisy

Tanacetum coccineum

The Painted Daisy is a perennial flowering plant known for its vibrant, daisy-like flowers that come in shades of pink, red, white, and purple. It typically grows to a height of 18-24 inches. It is primarily an outdoor plant, grown for its showy blooms in gardens and borders. People grow it for its cheerful appearance, its ability to attract pollinators, and its use as a cut flower. While it can be attempted indoors, it requires very specific conditions and often struggles to thrive.

Asteraceae Southwestern Asia, specifically Iran and the Caucasus region
✨ Features: Attracts pollinators (bees, butterflies), good for cut flowers
📖 Read Complete Painted Daisy Guide
Purple Shamrock

Purple Shamrock

Oxalis triangularis

Oxalis triangularis, commonly known as Purple Shamrock, is a rhizomatous perennial plant admired for its striking, deep purple, triangular leaves that resemble shamrocks. The leaves fold up at night and reopen during the day in response to light. It produces small, delicate white or pale pink flowers. While it can be grown indoors, it thrives best with bright, indirect light and consistent moisture. People grow it for its unique foliage color and dynamic leaf movements, adding a touch of whimsy to indoor and outdoor spaces.

Oxalidaceae Brazil
✨ Features: Leaves fold up at night and reopen during the day (nyctinastic movement).
📖 Read Complete Purple Shamrock Guide

Quick Plant Comparison

Feature Painted Daisy Purple Shamrock
Light Full sun (at least 6 hours of direct sunlight per day) Bright, indirect light to partial shade. Requires at least 4-6 hours of bright, indirect light daily.
Watering Every 5-7 days outdoors, less frequently if attempted indoors. Every 7-10 days, depending on light and temperature
Humidity 30-50% 40-60%
Temperature 15-24°C 18-24°C
Care Level Expert Easy
Growth Rate Moderate Moderate
Max Height 18-24 inches (outdoors), less if grown indoors 20-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, loamy soil Well-draining potting mix (e.g., a mix of peat moss, perlite, and vermiculite)
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 15 minutes weekly (deadheading, watering) 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

Painted Daisy

Scientific Name Tanacetum coccineum
Family Asteraceae
Native To Southwestern Asia, specifically Iran and the Caucasus region
Also Known As Painted Daisy, Pyrethrum Daisy, Persian Daisy, Crimson Daisy
Leaves The leaves are fern-like, deeply divided, and medium green in color. They are typically 2-4 inches long and have a slightly hairy texture.
Flowers It rarely flowers indoors due to the high light requirements. Outdoors, it produces daisy-like flowers with a prominent yellow center disk and colorful ray florets in shades of pink, red, white, and purple. The flowers are typically 2-3 inches in diameter.

Purple Shamrock

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, and are a deep purple color. They are composed of three leaflets, each with a smooth texture. The leaves are approximately 2-4 cm wide.
Flowers It can flower indoors, producing small, delicate white or pale pink flowers on slender stems. The flowers are not particularly showy but add a subtle charm to the plant.

📏 Size & Growth — Plant Comparison

Painted Daisy

Height 18-24 inches (outdoors), less if grown indoors
Spread 12-18 inches
Growth Rate Moderate
Growth Pattern The Painted Daisy grows in an upright, bushy habit. It forms clumps of foliage with flower stalks rising above the leaves. It does not spread aggressively.

Purple Shamrock

Height 20-30 cm
Spread 30-45 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Grows in a clump-forming habit from rhizomes. The leaves emerge from the base of the plant on long petioles, creating a bushy appearance. It spreads gradually via rhizomes.

🌱 Propagation — Comparing Plant Growth

Painted Daisy

Methods: Seed, Division, Stem cuttings

Difficulty: Easy

Tips: For seeds, sow indoors 6-8 weeks before the last frost. For division, divide clumps in early spring or fall. For stem cuttings, take cuttings in spring and root in moist soil.

Purple Shamrock

Methods: Division, Rhizome cuttings

Difficulty: Easy

Tips: Divide rhizomes during repotting. Ensure each division has at least one growth point. Plant in well-draining soil and keep moist until new growth appears.

✨ Benefits & Features — Comparing Plant Value

Painted Daisy

The Painted Daisy is known for its bright, daisy-like flowers in various colors. It contains pyrethrins, a natural insecticide, making it a useful plant in the garden for pest control. Its vibrant blooms attract pollinators and make it a popular choice for cut flower arrangements.

  • ✓ Attracts pollinators to your garden.
  • ✓ Provides vibrant color and visual interest.
  • ✓ Offers cut flowers for arrangements.
  • ✓ Can be used as a natural insecticide.
  • ✓ Adds a touch of whimsy to outdoor spaces.
  • ⚠️ Toxic to pets

Purple Shamrock

The most unique characteristic is the nyctinastic movement of the leaves, folding up at night or in low light. The deep purple color of the foliage also makes it stand out from other houseplants.

  • ✓ Adds a pop of color to any space.
  • ✓ Easy to propagate and share with friends.
  • ✓ Provides a unique visual interest with its moving leaves.
  • ✓ Relatively low-maintenance and easy to care for.
  • ✓ Can be grown indoors or outdoors in suitable climates.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Painted Daisy

Repotting Not applicable for outdoor plants. If grown indoors, repot annually in spring.
Pruning Deadhead spent flowers to encourage more blooms. Cut back foliage in the fall.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, cut back the foliage after flowering. In winter, provide minimal watering and protect from frost if grown in colder climates.

Purple Shamrock

Repotting Every 1-2 years, or when the plant becomes root-bound. Repot in spring.
Pruning Remove dead or yellowing leaves to maintain appearance and encourage new growth.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In spring and summer, water more frequently and fertilize regularly. In fall and winter, reduce watering and withhold fertilizer. The plant may go dormant in winter.

🌞 Light Requirements

Painted Daisy

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Purple Shamrock

Bright, indirect light to partial shade. Requires at least 4-6 hours of bright, indirect light daily.

Low light tolerant: ❌ No

💧 Watering Needs

Painted Daisy

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Signs of underwatering include wilting leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

Purple Shamrock

Water thoroughly when the top inch of soil feels dry to the touch. Ensure good drainage to prevent root rot. Overwatering can lead to bulb rot, indicated by yellowing leaves and a mushy base. Underwatering results in drooping leaves and stunted growth.

🌡️ Temperature & Humidity

Painted Daisy

Temperature: 15-24°C

Humidity: 30-50%

Purple Shamrock

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Painted Daisy

Painted Daisy

Tanacetum coccineum
Care: Expert Time: 15 minutes weekly (deadheading, watering) Beginner: No

Experienced gardeners who want to add vibrant color to their outdoor garden and are aware of the plant's toxicity to pets.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You love vibrant, daisy-like flowers.
  • You need a plant for cut flower arrangements.
  • You have a sunny outdoor garden space.
  • You are experienced with gardening and understand the plant's needs.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You are a beginner gardener.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden, sunny border, or container garden
🎨 Style: Cottage, Traditional, Bohemian
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains pyrethrins, which can cause gastrointestinal upset (vomiting, diarrhea), drooling, incoordination, and dermatitis. All parts of the plant are toxic.
Purple Shamrock

Purple Shamrock

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

Someone who wants a visually striking, low-maintenance houseplant with unique foliage.

✅ Choose This Plant If...

  • You want a plant with unique, moving foliage.
  • You appreciate low-maintenance plants.
  • You enjoy the color purple.
  • You want a plant that can be easily propagated.
  • You have a bright, indirect light location.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You tend to overwater plants.
  • You don't have a bright location.
📍 Ideal Location: East-facing or west-facing window, or a bright room with indirect light.
🎨 Style: Bohemian, Eclectic, Modern
🏠 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 Purple Shamrock
Pet Friendly Neither - caution
Less Maintenance Purple Shamrock
Apartment Friendly Purple Shamrock

⚡ Key Differences Between These Plants

🎯

Painted Daisy is rated Expert care level, while Purple Shamrock is Easy.

💡 Pro Tips For Comparing These Plants

Painted Daisy Care Tips

Painted Daisies are primarily outdoor plants and require full sun to thrive. Indoor cultivation is challenging due to the high light requirements. They need well-draining soil and regular watering, but are susceptible to root rot if overwatered. They are toxic to pets.

  • Provide at least 6 hours of direct sunlight daily.
  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Fertilize every 4-6 weeks during the growing season.
  • Protect from frost in colder climates.
❄️ Winter: In colder climates, provide a layer of mulch to protect the roots from frost. Reduce watering significantly during the winter months. Cut back the foliage after it has died back.
☀️ Summer: Provide regular watering during hot, dry periods. Deadhead spent flowers to encourage more blooms. Fertilize every 4-6 weeks during the growing season.

Purple Shamrock Care Tips

Purple Shamrock is relatively easy to care for, requiring bright, indirect light and well-draining soil. It can go dormant, losing its leaves, but will regrow from the rhizomes. Avoid overwatering and provide occasional fertilization during the growing season.

  • Provide bright, indirect light to maintain the purple color of the leaves.
  • Allow the soil to dry slightly between waterings to prevent root rot.
  • Fertilize regularly during the growing season to encourage healthy growth.
  • Don't be alarmed if the plant goes dormant; it will regrow from the rhizomes.
  • Rotate the plant regularly to ensure even growth.
❄️ Winter: Reduce watering significantly as the plant's growth slows down. Withhold fertilizer. The plant may go dormant, losing its leaves. If dormant, store the rhizomes in a cool, dark place until spring.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Provide bright, indirect light and fertilize regularly. Protect from intense, direct sunlight to prevent leaf burn.

⚠️ Common Problems & Solutions — Plant Care Comparison

Painted Daisy

Common Issues: Powdery mildew, Root rot, Aphids, Lack of flowering (indoors)
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Aphids: Spray with insecticidal soap. Lack of flowering (indoors): Provide supplemental lighting and ensure proper temperature.

Purple Shamrock

Common Issues: Spider mites, Aphids, Root rot, Dormancy
Solutions: Spider mites/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Dormancy: Reduce watering and allow the plant to rest in a cool, dark place until new growth appears.

❓ Frequently Asked Questions — Comparing These Plants

Painted Daisy

What are the light requirements for Painted Daisy?

Painted Daisies require a minimum of six hours of direct sunlight per day to thrive and produce abundant blooms. Ideally, they should be planted in a location that receives full sun throughout the morning and early afternoon. In hotter climates, providing some afternoon shade can prevent the foliage and flowers from scorching. When growing Painted Daisies indoors, place them near a south-facing window where they can receive ample sunlight. If natural light is insufficient, supplement with grow lights to ensure they get the necessary light for healthy growth and flowering. Insufficient light can lead to leggy growth and reduced bloom production.

How do I care for Painted Daisy?

Painted Daisies thrive in full sun, requiring at least 6 hours of direct sunlight daily. Water regularly, especially during dry periods, keeping the soil consistently moist but not waterlogged. Well-draining soil is crucial to prevent root rot. Fertilize every 4-6 weeks during the growing season (spring and summer) with a balanced fertilizer or one specifically formulated for flowering plants to encourage abundant blooms. Deadhead spent flowers regularly to promote continuous blooming.

How do I propagate Painted Daisy?

Painted Daisies can be propagated through division, stem cuttings, or seeds.

Purple Shamrock

What are the light requirements for Purple Shamrock?

Purple Shamrock thrives in bright, indirect light. Direct sunlight can scorch the leaves, causing them to fade or burn. An east-facing window is ideal, providing gentle morning sun. A north-facing window can work if supplemented with grow lights. Insufficient light will cause the leaves to become pale green and the plant to become leggy as it reaches for more light. Rotate the plant regularly to ensure even light exposure on all sides. During the winter months, when light levels are lower, consider supplementing with a grow light to maintain the plant’s vibrant purple color.

How do I care for Purple Shamrock?

Purple Shamrock is relatively easy to care for. Provide bright, indirect light for optimal growth and vibrant color. Water when the top inch of soil feels dry, allowing the soil to drain well to prevent root rot. During the growing season (spring and summer), fertilize every two to four weeks with a balanced liquid fertilizer diluted to half strength. Reduce watering and stop fertilizing during the dormant period (fall and winter). Maintain moderate humidity. Repot every one to two years, or when the plant becomes root-bound, using a well-draining potting mix. Prune any dead or yellowing leaves to encourage new growth. Watch out for pests like spider mites and aphids, and treat promptly if detected.

How do I propagate Purple Shamrock?

Purple Shamrock can be easily propagated through division. During repotting, carefully separate the bulbs (corms) at the roots. Each section should have its own roots and leaves. Plant each section in its own pot with well-draining potting mix. Water thoroughly and place in bright, indirect light. Stem cuttings are not a viable method. Keikis do not form on this plant. Propagation through division is best done during the dormant period or early spring before new growth begins. Ensure each division has a healthy root system to increase the chances of success. New growth should appear within a few weeks.

Last updated: May 13, 2026 — Plant care data reviewed and verified by our editorial team.