Impatiens vs Myrtle Spurge Plant Comparison

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

Impatiens

Impatiens

Impatiens walleriana

VS
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

Impatiens

Impatiens

Impatiens walleriana

Impatiens walleriana is a popular, tender perennial often grown as an annual. It's characterized by its vibrant, spurred flowers in shades of red, pink, orange, white, and purple. The plant has a bushy, mounded growth habit, typically reaching 6 to 24 inches in height. Naturally an outdoor plant, it thrives in shady conditions. People grow it for its continuous blooms throughout the growing season, adding color to gardens, containers, and hanging baskets. It's valued for its ease of care and ability to brighten up shady areas where other flowering plants may struggle.

Balsaminaceae Eastern Africa
✨ Features: Continuous blooming throughout the growing season.
📖 Read Complete Impatiens Guide
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

Myrtle Spurge is a succulent, low-growing perennial characterized by its sprawling habit and blue-gray, spirally arranged leaves. It typically reaches a height of 6-12 inches and spreads up to 24 inches wide. It is primarily grown as an ornamental ground cover in rock gardens or dry landscapes. It produces small, inconspicuous yellowish-green flowers in spring, followed by seed capsules. This plant is naturally an outdoor plant and struggles indoors due to its high light requirements and need for well-draining soil.

Euphorbiaceae Mediterranean region (Southern Europe and North Africa)
✨ Features: Drought tolerance, attractive blue-gray foliage.
📖 Read Complete Myrtle Spurge Guide

Quick Plant Comparison

Feature Impatiens Myrtle Spurge
Light Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.
Watering Every 2-3 days, depending on temperature and humidity Every 2-4 weeks, depending on weather and soil drainage.
Humidity 50-70% 20-40%
Temperature 18-24°C 15-25°C
Care Level Easy Expert
Growth Rate Moderate Moderate
Max Height 15-30 cm (indoors) 6-12 inches (outdoor)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, rich potting mix. A mix of peat moss, perlite, and vermiculite is suitable. Well-draining, sandy or gravelly soil. Avoid heavy clay soils.
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 15 minutes monthly (weeding, pruning)

🔬 Botanical Information — Comparing These Plants

Impatiens

Scientific Name Impatiens walleriana
Family Balsaminaceae
Native To Eastern Africa
Also Known As Busy Lizzie, Balsam, Sultana
Leaves Oval to lance-shaped leaves with serrated edges. Leaves are typically green, but some varieties have bronze or variegated foliage. Leaves are approximately 2-6 cm long.
Flowers Flowers profusely throughout the growing season. The flowers are spurred and come in a wide range of colors, including red, pink, orange, white, and purple. Individual flowers are about 2-5 cm in diameter.

Myrtle Spurge

Scientific Name Euphorbia myrsinites
Family Euphorbiaceae
Native To Mediterranean region (Southern Europe and North Africa)
Also Known As Myrtle Spurge, Donkey Spurge, Creeping Spurge, Glaucous Spurge
Leaves Succulent, blue-gray, lance-shaped leaves arranged in a spiral pattern around the stems. Leaves are typically 1-2 inches long.
Flowers Produces small, inconspicuous yellowish-green flowers in spring. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Impatiens

Height 15-30 cm (indoors)
Spread 15-30 cm
Growth Rate Moderate
Growth Pattern Bushy, mounded growth habit. Stems are succulent and easily broken. Can be pinched back to encourage a fuller shape.

Myrtle Spurge

Height 6-12 inches (outdoor)
Spread Up to 24 inches (outdoor)
Growth Rate Moderate
Growth Pattern Sprawling, low-growing perennial that forms a dense mat.

🌱 Propagation — Comparing Plant Growth

Impatiens

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Place cuttings in water or directly into moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

Myrtle Spurge

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer, allow the cut end to callous over for a few days, and then plant in well-draining soil. Wear gloves to avoid skin irritation from the sap.

✨ Benefits & Features — Comparing Plant Value

Impatiens

Impatiens are known for their explosive seed dispersal mechanism, where the seed pods burst open when touched, scattering seeds. The vibrant, spurred flowers come in a wide range of colors, making them a popular choice for adding color to shady areas.

  • ✓ Adds vibrant color to shady areas
  • ✓ Easy to care for and maintain
  • ✓ Provides continuous blooms throughout the growing season
  • ✓ Can be easily propagated from cuttings
  • ✓ Brightens up indoor spaces with its colorful flowers
  • ⚠️ Toxic to pets

Myrtle Spurge

The spirally arranged, blue-gray leaves give it a distinctive appearance. The milky sap is toxic and can cause skin irritation.

  • ✓ Drought tolerance reduces water usage.
  • ✓ Provides visual interest with its unique foliage.
  • ✓ Low maintenance once established.
  • ✓ Attracts pollinators.
  • ✓ Controls erosion on slopes.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Impatiens

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Pinch back stems to encourage bushier growth. Deadhead spent flowers regularly to promote continuous blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In winter, reduce watering and fertilizing. Provide bright, indirect light. In summer, ensure adequate shade and consistent moisture.

Myrtle Spurge

Repotting Not applicable as it's not suitable for indoor growing.
Pruning Prune after flowering to maintain shape and prevent excessive seed production. Remove any dead or damaged stems.
Fertilizing Apply a balanced, slow-release fertilizer in early spring at half strength.
Seasonal Care In winter, reduce watering and protect from excessive moisture. In spring and summer, water more frequently and fertilize lightly.

🌞 Light Requirements

Impatiens

Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ✅ Yes

Myrtle Spurge

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

Low light tolerant: ❌ No

💧 Watering Needs

Impatiens

Keep the soil consistently moist but not soggy. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, indicated by yellowing leaves and a mushy stem. Underwatering results in wilting and dry, crispy leaves.

Myrtle Spurge

Water deeply but infrequently, allowing the soil to dry out completely between waterings. Overwatering can lead to root rot. Signs of underwatering include shriveled leaves. Signs of overwatering include yellowing leaves and a mushy stem.

🌡️ Temperature & Humidity

Impatiens

Temperature: 18-24°C

Humidity: 50-70%

Myrtle Spurge

Temperature: 15-25°C

Humidity: 20-40%

🤔 Which Plant Is Right For You?

Impatiens

Impatiens

Impatiens walleriana
Care: Easy Time: 5 minutes weekly Beginner: Yes

Gardeners looking for vibrant, low-maintenance color in shady areas.

✅ Choose This Plant If...

  • You want a plant that flowers continuously throughout the growing season.
  • You need a plant that thrives in shady areas.
  • You are looking for a low-maintenance plant that is easy to care for.
  • You want to add vibrant color to your garden or containers.
  • You want a plant that is easy to propagate from cuttings.

❌ Skip This Plant If...

  • You have pets that may ingest the plant, as it is toxic to them.
  • You live in a very dry climate and cannot provide adequate humidity.
  • You tend to overwater plants.
📍 Ideal Location: Shady patio, balcony, or garden bed. Indoors, a bright, indirect light location like a north-facing window.
🎨 Style: Cottage, Traditional, Tropical
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Impatiens are toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. All parts of the plant are considered toxic.
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites
Care: Expert Time: 15 minutes monthly (weeding, pruning) Beginner: No

Experienced gardeners looking for a drought-tolerant ground cover in sunny, well-drained locations.

✅ Choose This Plant If...

  • You need a drought-tolerant ground cover for a sunny area.
  • You appreciate the unique blue-gray foliage.
  • You are an experienced gardener familiar with handling toxic plants.
  • You want a low-maintenance plant once established.
  • You have a rock garden or xeriscape landscape.

❌ Skip This Plant If...

  • You have pets or small children who may ingest the plant.
  • You are a beginner gardener.
  • You do not have a sunny outdoor space.
  • You are sensitive to latex or have skin allergies.
📍 Ideal Location: Outdoor rock garden or sunny, well-drained slope.
🎨 Style: Mediterranean, Xeriscape, Rock Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic, containing a milky sap that can cause skin irritation and gastrointestinal upset if ingested. According to the ASPCA, Euphorbia species are toxic to dogs, cats, and horses. Symptoms include drooling, vomiting, diarrhea, and skin irritation.

🎯 Quick Verdict

Best for Beginners Impatiens
Pet Friendly Neither - caution
Less Maintenance Impatiens
Apartment Friendly Impatiens

⚡ Key Differences Between These Plants

🎯

Impatiens is rated Easy care level, while Myrtle Spurge is Expert.

💡 Pro Tips For Comparing These Plants

Impatiens Care Tips

Impatiens are relatively easy to care for, thriving in shady locations with consistent moisture. Indoors, provide bright, indirect light and maintain humidity. Watch out for pests like spider mites and aphids. Regular deadheading encourages continuous blooming.

  • Provide consistent moisture, but avoid overwatering.
  • Deadhead spent flowers regularly to encourage continuous blooming.
  • Fertilize every 2-4 weeks during the growing season with a balanced liquid fertilizer.
  • Protect from direct sunlight, especially during the hottest part of the day.
  • Monitor for pests like spider mites and aphids and treat promptly.
❄️ Winter: Reduce watering frequency. Provide bright, indirect light. Protect from drafts and cold temperatures. Do not fertilize during the winter months.
☀️ Summer: Ensure adequate shade to prevent scorching. Water more frequently during hot, dry weather. Fertilize every 2-4 weeks to promote continuous blooming.

Myrtle Spurge Care Tips

Myrtle Spurge is an outdoor plant that requires full sun and well-draining soil. It is not suitable for indoor growing due to its high light requirements and potential for toxicity. It is drought-tolerant and relatively low-maintenance once established, but requires careful handling due to its toxic sap.

  • Always wear gloves and eye protection when handling Myrtle Spurge.
  • Remove seed heads to prevent unwanted spread.
  • Ensure excellent drainage to prevent root rot.
  • Water deeply but infrequently.
  • Provide full sun for optimal growth and color.
❄️ Winter: Reduce watering significantly during winter. Protect from excessive moisture and frost in colder climates.
☀️ Summer: Water more frequently during hot, dry periods. Provide some afternoon shade in extremely hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Impatiens

Common Issues: Spider mites, Aphids, Root rot, Powdery mildew
Solutions: Spider mites: Increase humidity and treat with insecticidal soap. Aphids: Wash off with water or treat with insecticidal soap. Root rot: Improve drainage and reduce watering frequency. Powdery mildew: Improve air circulation and treat with fungicide.

Myrtle Spurge

Common Issues: Root rot, Aphids, Skin irritation from sap, Invasive spread
Solutions: Ensure well-draining soil and avoid overwatering. Treat aphids with insecticidal soap. Wear gloves and protective eyewear when handling the plant. Remove seed heads to prevent unwanted spread.

❓ Frequently Asked Questions — Comparing These Plants

Impatiens

What are the light requirements for Impatiens?

Impatiens thrive in partial to full shade. Direct sunlight can scorch their delicate leaves, so avoid placing them in areas with intense afternoon sun. A location that receives dappled sunlight or morning sun is ideal. Indoors, place Impatiens near a north-facing window or a window with sheer curtains to filter the light. If the leaves appear pale or the plant isn’t blooming well, it may need more light. However, be cautious not to expose them to direct sun, as this can cause leaf burn. Observe your plant closely and adjust its location as needed to provide the optimal light conditions for healthy growth and abundant blooms.

How do I care for Impatiens?

Impatiens thrive in partial to full shade, requiring protection from intense sunlight. Water frequently to keep the soil consistently moist, but avoid overwatering. Fertilize every two weeks during the growing season with a balanced liquid fertilizer to promote continuous blooming. Deadhead spent flowers regularly to encourage new blooms. Maintain a humid environment by misting the plant or placing it on a pebble tray filled with water. Impatiens prefer temperatures between 60-70°F (15-21°C). Repot in spring if the plant becomes root-bound. Watch out for common pests like aphids and spider mites, and treat promptly with insecticidal soap. Ensure good air circulation to prevent fungal diseases. Prune leggy growth to maintain a compact shape. Proper care will reward you with a profusion of colorful blooms throughout the growing season.

How do I propagate Impatiens?

Impatiens are easily propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop in 2-3 weeks. For division, carefully separate the root ball of a mature plant into smaller sections, ensuring each section has healthy roots and foliage. Replant each section in its own pot. Keiki propagation is not applicable to Impatiens.

Myrtle Spurge

What are the light requirements for Myrtle Spurge?

Myrtle Spurge thrives in bright, direct sunlight. Aim for at least 6 hours of sunlight per day. An east- or south-facing window is ideal. If grown outdoors, choose a location that receives full sun. Insufficient light can lead to etiolation, where the plant stretches towards the light source, resulting in weak, leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. In regions with intense summer sun, provide some afternoon shade to prevent scorching. Supplement with grow lights if natural light is limited, particularly during winter months.

How do I care for Myrtle Spurge?

Myrtle Spurge requires well-draining soil, such as a cactus or succulent mix, to prevent root rot. Water thoroughly when the soil is completely dry, typically every 2-4 weeks, depending on environmental conditions. Provide bright, direct sunlight for at least 6 hours a day; however, protect it from intense afternoon sun in hot climates. Fertilize sparingly, only during the growing season (spring and summer), using a balanced, diluted succulent fertilizer. Prune dead or damaged leaves to maintain its appearance. Be extremely cautious of the milky sap, which can cause skin irritation. Wear gloves when handling. Avoid overwatering, especially during winter dormancy.

How do I propagate Myrtle Spurge?

Myrtle Spurge can be propagated through stem cuttings, leaf cuttings, or offsets. For stem cuttings, allow the cut end to callous over for a few days before planting in well-draining soil. Rooting hormone can aid in the process. Leaf cuttings can be placed on top of well-draining soil and misted occasionally. Offsets, or small plantlets that grow around the base of the mother plant, can be carefully separated and potted individually. Wear gloves when handling cuttings to avoid skin irritation from the sap. Provide bright, indirect light and maintain consistent moisture until roots develop. Propagation is best done during the growing season (spring or summer).

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.