Iceland Poppy vs Matrimony Vine 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
Matrimony Vine

Matrimony Vine

Lycium barbarum

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
Matrimony Vine

Matrimony Vine

Lycium barbarum

Lycium barbarum, commonly known as Goji Berry or Matrimony Vine, is a deciduous woody vine or shrub typically grown for its edible berries. It can reach heights of 1-3 meters. It features arching branches with lance-shaped, grayish-green leaves. While it can be grown in containers, it is primarily an outdoor plant that thrives in full sun and well-drained soil. People grow it for its nutritious berries, ornamental value, and traditional medicinal uses. Indoor cultivation is challenging due to its high light requirements and sprawling growth habit.

Solanaceae Southeastern Europe and Asia
✨ Features: Edible berries, ornamental value, traditional medicinal uses
📖 Read Complete Matrimony Vine Guide

Quick Plant Comparison

Feature Iceland Poppy Matrimony Vine
Light Full sun (at least 6 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 7-10 days, depending on weather and soil drainage Every 7-10 days during the growing season, less frequently in winter
Humidity 30-50% 30-50%
Temperature 10-21°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height 30-60 cm outdoors; significantly smaller and weaker indoors (if grown) 1-3 meters (outdoor); significantly smaller in containers indoors, typically under 1 meter
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-drained loamy soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during the growing season 30 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.

Matrimony Vine

Scientific Name Lycium barbarum
Family Solanaceae
Native To Southeastern Europe and Asia
Also Known As Goji Berry, Wolfberry, Chinese Wolfberry
Leaves The leaves are lance-shaped, grayish-green, and typically 2-4 inches long. They are arranged alternately along the branches.
Flowers It produces small, purple, bell-shaped flowers in the summer. While it may flower indoors, fruit production is unlikely without proper pollination and sufficient sunlight.

📏 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.

Matrimony Vine

Height 1-3 meters (outdoor); significantly smaller in containers indoors, typically under 1 meter
Spread 1-4 meters (outdoor); spreads by suckers and seeds
Growth Rate Fast
Growth Pattern It grows as a sprawling, arching vine or shrub. It can spread via suckers and seeds, potentially becoming invasive in some areas.

🌱 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.

Matrimony Vine

Methods: Stem cuttings, Seed, Root suckers

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Root in water or directly in soil. Seeds require stratification for optimal germination. Root suckers can be separated and transplanted.

✨ 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

Matrimony Vine

Goji berry is known for its high antioxidant content and is considered a superfood. It's a deciduous vine or shrub with arching branches and edible berries.

  • ✓ Provides edible and nutritious berries.
  • ✓ Offers ornamental value with its arching branches and foliage.
  • ✓ Can be used in traditional medicine.
  • ✓ Attracts pollinators to the garden.
  • ✓ Relatively drought-tolerant once established.
  • ⚠️ 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.

Matrimony Vine

Repotting Repot every 1-2 years if grown in containers, or when the plant becomes root-bound.
Pruning Prune regularly to maintain shape and encourage fruit production. Remove dead or crossing branches.
Fertilizing Balanced fertilizer (10-10-10) in spring and early summer, diluted to half strength. Avoid over-fertilizing.
Seasonal Care Prune in late winter or early spring. Protect from frost in colder climates. Reduce watering in winter. Increase watering and fertilizing during the growing season.

🌞 Light Requirements

Iceland Poppy

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

Low light tolerant: ❌ No

Matrimony Vine

Full sun (at least 6-8 hours of direct sunlight daily)

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.

Matrimony Vine

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to root rot. During the growing season, water more frequently. Reduce watering in the winter. Signs of overwatering include yellowing leaves and soggy soil. Underwatering is indicated by wilting leaves and dry soil.

🌡️ Temperature & Humidity

Iceland Poppy

Temperature: 10-21°C

Humidity: 30-50%

Matrimony Vine

Temperature: 15-25°C

Humidity: 30-50%

🤔 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.
Matrimony Vine

Matrimony Vine

Lycium barbarum
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in temperate climates who want to grow their own goji berries outdoors.

✅ Choose This Plant If...

  • You want to grow your own goji berries.
  • You have a sunny outdoor space.
  • You are an experienced gardener.
  • You appreciate plants with medicinal properties.
  • You are prepared to manage its sprawling growth.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You have pets that might ingest the plant.
  • You are a beginner gardener.
  • You don't have space for a large, sprawling vine.
  • You are not prepared for regular pruning.
📍 Ideal Location: Sunny garden or patio
🎨 Style: Cottage, Natural, Rustic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Lycium species are toxic to dogs, cats, and horses. Symptoms include gastrointestinal upset (e.g., vomiting, diarrhea), and potential dermatitis. 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 Check space

⚡ Key Differences Between These Plants

☀️

Iceland Poppy needs full sun (at least 6 hours of direct sunlight daily), while Matrimony Vine prefers full sun (at least 6-8 hours of direct sunlight daily).

📈

Iceland Poppy has moderate growth, while Matrimony Vine grows fast.

💡 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.

Matrimony Vine Care Tips

Lycium barbarum is primarily an outdoor plant. Indoor cultivation is challenging due to its high light requirements and sprawling growth habit. It needs full sun, well-drained soil, and regular pruning. Expect reduced berry production indoors. Toxicity to pets is a major concern.

  • Provide full sun for optimal growth and fruit production.
  • Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
  • Prune regularly to maintain shape and encourage fruit production.
  • Fertilize in spring and early summer with a balanced fertilizer.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering significantly during the winter months. Protect from frost in colder climates by mulching around the base of the plant. Dormancy is important for fruit production.
☀️ Summer: Water more frequently during the summer months, especially during hot and dry periods. Fertilize in spring and early summer. Provide support for the sprawling branches if needed.

⚠️ 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.

Matrimony Vine

Common Issues: Aphids, Spider mites, Powdery mildew, Lack of fruit production indoors
Solutions: Insecticidal soap for aphids and spider mites. Fungicide for powdery mildew. Provide adequate sunlight and pollination for fruit production.

❓ 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.

Matrimony Vine

What are the light requirements for Matrimony Vine?

Matrimony Vine thrives in full sun, requiring at least 6 hours of direct sunlight each day to promote optimal growth and berry production. While it can tolerate partial shade, insufficient light can lead to leggy growth, reduced flowering, and fewer berries.

How do I care for Matrimony Vine?

Matrimony Vine requires full sun to partial shade, ideally at least 6 hours of direct sunlight daily. Water thoroughly when the top inch of soil feels dry, but avoid overwatering. Well-draining soil is crucial to prevent root rot. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer.

How do I propagate Matrimony Vine?

Matrimony Vine can be easily propagated through stem cuttings or layering. For stem cuttings, take 4-6 inch cuttings from healthy stems in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Roots should develop in a few weeks.

Last updated: May 8, 2026 — Plant care data reviewed and verified by our editorial team.