Iceland Poppy vs New Guinea Impatiens Plant Comparison

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

Iceland Poppy

Iceland Poppy

Papaver nudicaule

VS
New Guinea Impatiens

New Guinea Impatiens

Impatiens hawkeri

Iceland Poppy

Iceland Poppy

Papaver nudicaule

The Iceland Poppy is a short-lived perennial or biennial often grown as an annual, prized for its delicate, crepe-paper-like flowers in a range of colors including yellow, orange, red, pink, and white. It typically reaches a height of 30-60 cm. While primarily an outdoor plant, it is grown for its vibrant blooms in garden beds, borders, and containers. Its cup-shaped flowers are borne on slender, hairy stems above a rosette of bluish-green, deeply lobed leaves. It is not naturally an indoor plant and struggles to thrive indoors due to high light requirements and specific temperature needs.

Papaveraceae Subpolar regions of Europe, Asia, and North America, including Iceland
✨ Features: Attracts pollinators, deer-resistant, cut flowers
📖 Read Complete Iceland Poppy Guide
New Guinea Impatiens

New Guinea Impatiens

Impatiens hawkeri

New Guinea Impatiens are popular flowering plants known for their vibrant, showy blooms and attractive foliage. They are herbaceous perennials, typically grown as annuals in cooler climates. They feature succulent stems and oval to lance-shaped leaves that can be green, bronze, or variegated. The flowers come in a wide range of colors, including red, pink, orange, purple, and white. While primarily outdoor plants, they can be grown indoors with sufficient light. People grow them for their continuous blooms and relatively easy care.

Balsaminaceae New Guinea and the Solomon Islands
✨ Features: Long blooming period, wide range of flower colors.
📖 Read Complete New Guinea Impatiens Guide

Quick Plant Comparison

Feature Iceland Poppy New Guinea Impatiens
Light Full sun (at least 6 hours of direct sunlight daily) Bright, indirect light is essential. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. Insufficient light will result in fewer flowers and leggy growth.
Watering Every 7-10 days, depending on weather and soil drainage Every 3-5 days, depending on environmental conditions and pot size.
Humidity 30-50% 40-60%
Temperature 10-21°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 30-60 cm outdoors; significantly smaller and weaker indoors (if grown) 30-60 cm (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, moderately fertile soil. A mix of garden soil, sand, and compost is suitable. Well-draining potting mix, such as a peat-based mix amended with perlite or vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly during the growing season 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Iceland Poppy

Scientific Name Papaver nudicaule
Family Papaveraceae
Native To Subpolar regions of Europe, Asia, and North America, including Iceland
Also Known As Iceland Poppy, Arctic Poppy
Leaves The leaves are bluish-green, deeply lobed, and form a basal rosette. They are typically 10-20 cm long and have a slightly hairy texture.
Flowers It rarely flowers indoors. Outdoors, it produces cup-shaped flowers in a variety of colors, including yellow, orange, red, pink, and white. The flowers are typically 5-7 cm in diameter and have a delicate, crepe-paper-like texture.

New Guinea Impatiens

Scientific Name Impatiens hawkeri
Family Balsaminaceae
Native To New Guinea and the Solomon Islands
Also Known As New Guinea Impatiens, New Guinea Impatient
Leaves Oval to lance-shaped leaves, typically 5-10 cm long. The leaves can be green, bronze, or variegated with shades of yellow, cream, or pink. They have a slightly succulent texture.
Flowers Yes, they can flower indoors with sufficient light. The flowers are single or double and come in a wide range of colors, including red, pink, orange, purple, and white. They are typically 5-7 cm in diameter.

📏 Size & Growth — Plant Comparison

Iceland Poppy

Height 30-60 cm outdoors; significantly smaller and weaker indoors (if grown)
Spread 20-30 cm
Growth Rate Moderate
Growth Pattern It grows as a rosette of basal leaves from which slender, hairy flower stalks emerge, each bearing a single, cup-shaped flower. It has an upright growth habit.

New Guinea Impatiens

Height 30-60 cm (indoors)
Spread 30-45 cm
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. They tend to fill out their container well and can become somewhat leggy if not pruned regularly.

🌱 Propagation — Comparing Plant Growth

Iceland Poppy

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly in the garden in early spring or late fall. Seeds require light to germinate, so do not cover them with too much soil. Keep the soil consistently moist until germination.

New Guinea Impatiens

Methods: Stem cuttings, Seed

Difficulty: Easy

Tips: Take stem cuttings about 5-7 cm long, remove the lower leaves, and place them in water or moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

✨ Benefits & Features — Comparing Plant Value

Iceland Poppy

The crepe-paper-like texture of the petals and the wide range of vibrant colors make Iceland Poppies unique. They are also relatively deer-resistant, making them a good choice for gardens where deer are a problem. They are also known for their delicate, papery blooms and ability to thrive in cooler climates.

  • ✓ Adds vibrant color to the garden
  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Provides cut flowers for arrangements
  • ✓ Deer resistant, protecting other plants
  • ✓ Relatively easy to grow from seed outdoors
  • ⚠️ Toxic to pets

New Guinea Impatiens

New Guinea Impatiens are known for their large, showy flowers and attractive foliage, which can be green, bronze, or variegated. They also tend to be more sun-tolerant than common Impatiens.

  • ✓ Adds vibrant color to indoor spaces.
  • ✓ Provides a long blooming period.
  • ✓ Relatively easy to propagate.
  • ✓ Can improve mood and reduce stress.
  • ✓ Offers a variety of flower colors to match decor.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Iceland Poppy

Repotting Not applicable, as it's typically grown as an annual or short-lived perennial outdoors.
Pruning Deadhead spent flowers to encourage more blooms. Cut back foliage in late fall.
Fertilizing Balanced slow-release fertilizer in spring, diluted liquid fertilizer every 4-6 weeks during the growing season.
Seasonal Care In spring, sow seeds or transplant seedlings. Provide regular watering and fertilization during the growing season. In fall, allow plants to self-seed or collect seeds for next year. In winter, plants may die back in colder climates.

New Guinea Impatiens

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Pinch back stems regularly to encourage bushier growth and more blooms. Remove spent flowers to promote continuous blooming.
Fertilizing Use a balanced liquid fertilizer (10-10-10) diluted to half strength every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In spring and summer, provide regular watering and fertilization to encourage blooming. In fall and winter, reduce watering and fertilization as growth slows down. Protect from frost.

🌞 Light Requirements

Iceland Poppy

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

New Guinea Impatiens

Bright, indirect light is essential. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. Insufficient light will result in fewer flowers and leggy growth.

Low light tolerant: ❌ No

💧 Watering Needs

Iceland Poppy

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as it can lead to root rot. Ensure good drainage. Overwatering signs include yellowing leaves and wilting, while underwatering presents as drooping leaves and dry, crispy edges.

New Guinea Impatiens

Water thoroughly when the top inch of soil feels dry to the touch. Avoid overwatering, as this can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and stem rot.

🌡️ Temperature & Humidity

Iceland Poppy

Temperature: 10-21°C

Humidity: 30-50%

New Guinea Impatiens

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Iceland Poppy

Iceland Poppy

Papaver nudicaule
Care: Expert Time: 15 minutes weekly during the growing season Beginner: No

Gardeners in cooler climates seeking vibrant, early-season color in their flower beds.

✅ Choose This Plant If...

  • You want vibrant, early-season color in your garden.
  • You live in a cooler climate where they thrive.
  • You want to attract pollinators to your garden.
  • You enjoy cut flowers with a long vase life.
  • You want a deer-resistant plant.

❌ Skip This Plant If...

  • You live in a hot, humid climate.
  • You are looking for a long-lived perennial.
  • You have pets that might ingest the plant.
📍 Ideal Location: Outdoor garden bed or container in full sun
🎨 Style: Cottage, Romantic, Traditional
🏠 Apartment Friendly: No
⚠️ All parts of the plant contain alkaloids that can be toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (vomiting, diarrhea), depression, and incoordination. Contact a veterinarian immediately if ingestion is suspected.
New Guinea Impatiens

New Guinea Impatiens

Impatiens hawkeri
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Gardeners who want a vibrant, flowering plant for containers or garden beds, and who can provide bright, indirect light indoors.

✅ Choose This Plant If...

  • You want a plant with vibrant, long-lasting blooms.
  • You have a location with bright, indirect light.
  • You enjoy deadheading flowers to encourage more blooms.
  • You want a plant that is relatively easy to propagate from cuttings.
  • You appreciate a wide variety of flower colors to choose from.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You struggle to provide consistent moisture without overwatering.
  • You don't have a location with sufficient bright, indirect light.
📍 Ideal Location: East-facing window, bright bathroom, or under grow lights.
🎨 Style: Tropical, Cottagecore, Bohemian
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, New Guinea Impatiens are toxic to dogs, cats, and horses. Symptoms of ingestion can include vomiting, diarrhea, and drooling. 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 New Guinea Impatiens

⚡ Key Differences Between These Plants

🎯

Iceland Poppy is rated Expert care level, while New Guinea Impatiens is Moderate.

💡 Pro Tips For Comparing These Plants

Iceland Poppy Care Tips

Iceland Poppies are best grown outdoors. Indoor cultivation is extremely challenging due to their high light requirements and need for cool temperatures. They are prone to fungal diseases if kept too humid. Success indoors is unlikely without supplemental lighting and careful environmental control.

  • Sow seeds directly in the garden in early spring or late fall for best results.
  • Ensure well-draining soil to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide full sun for optimal flowering.
  • Protect from strong winds, which can damage the delicate stems.
❄️ Winter: In colder climates, the plant may die back in winter. Provide a layer of mulch to protect the roots. In milder climates, the plant may remain evergreen.
☀️ Summer: Provide regular watering during dry periods. Deadhead spent flowers to encourage more blooms. Protect from intense afternoon sun in hotter climates.

New Guinea Impatiens Care Tips

New Guinea Impatiens require bright, indirect light and consistent moisture. They are susceptible to root rot if overwatered. While they can be grown indoors, providing adequate light can be challenging. Regular fertilization promotes abundant blooms. Watch for pests like aphids and spider mites.

  • Provide bright, indirect light to encourage blooming.
  • Water thoroughly when the top inch of soil is dry, but avoid overwatering.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Pinch back stems to promote bushier growth.
  • Monitor for pests like aphids and spider mites and treat promptly.
❄️ Winter: Reduce watering frequency and stop fertilizing during the winter months. Provide bright, indirect light and maintain a temperature above 15°C. Protect from drafts.
☀️ Summer: Provide consistent moisture and fertilize regularly during the summer months. Protect from direct sunlight, especially during the hottest part of the day. Increase humidity if possible.

⚠️ Common Problems & Solutions — Plant Care Comparison

Iceland Poppy

Common Issues: Root rot, powdery mildew, aphids, lack of flowering
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Lack of flowering: Provide adequate sunlight and fertilizer.

New Guinea Impatiens

Common Issues: Root rot, Aphids, Spider mites, Leaf drop
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Remove affected roots and repot in fresh soil.|Aphids: Spray with insecticidal soap or neem oil.|Spider mites: Increase humidity and spray with insecticidal soap or miticide.|Leaf drop: Check for underwatering, overwatering, or temperature stress.

❓ Frequently Asked Questions — Comparing These Plants

Iceland Poppy

What are the light requirements for Iceland Poppy?

Iceland Poppies require at least six hours of direct sunlight per day to thrive and produce abundant blooms. Ideally, provide them with morning sun and some afternoon shade, especially in hotter climates. Insufficient light can lead to leggy growth, fewer flowers, and duller colors. When growing indoors, place them near a sunny south-facing window. Rotate the plants regularly to ensure even light exposure on all sides. If natural light is insufficient, supplement with grow lights, positioning them about 6-12 inches above the plants. Light intensity is crucial for vibrant blooms.

How do I care for Iceland Poppy?

Iceland Poppies thrive in full sun and well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize sparingly with a balanced fertilizer, focusing on a formula higher in phosphorus to encourage blooming. Deadhead spent flowers to promote continuous blooming. Provide support for taller varieties to prevent them from flopping over. Protect from strong winds and extreme heat. In warmer climates, provide afternoon shade. Regularly check for pests and diseases. Mulch around the base of the plant to retain moisture and suppress weeds. Ensure good air circulation to prevent fungal diseases. Iceland Poppies are generally short-lived perennials, often grown as annuals.

How do I propagate Iceland Poppy?

Iceland Poppies are primarily propagated by seed. Direct sowing is preferred as they don’t like root disturbance.

New Guinea Impatiens

What are the light requirements for New Guinea Impatiens?

New Guinea Impatiens prefer bright, indirect light. They thrive in partial shade, making them ideal for locations that receive morning sun and afternoon shade, or dappled sunlight throughout the day. Direct sunlight can scorch their leaves and fade their flowers, so avoid placing them in areas with intense, prolonged sun exposure.

How do I care for New Guinea Impatiens?

New Guinea Impatiens thrive in partial shade with consistent moisture. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Fertilize regularly during the growing season (spring to fall) with a balanced, water-soluble fertilizer, or one formulated for blooming plants, diluted to half strength, every 2-4 weeks to encourage abundant blooms. Maintain a humid environment by misting the plant regularly or placing it near a humidifier.

How do I propagate New Guinea Impatiens?

New Guinea 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 moist and provide bright, indirect light. Roots should develop within a few weeks. Division is possible when repotting larger plants, carefully separating the root ball. Keiki propagation is not applicable to New Guinea Impatiens.

Last updated: April 19, 2026 — Plant care data reviewed and verified by our editorial team.