Matrimony Vine vs Sweet William Plant Comparison

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

Matrimony Vine

Matrimony Vine

Lycium barbarum

VS
Sweet William

Sweet William

Dianthus barbatus

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
Sweet William

Sweet William

Dianthus barbatus

Sweet William is a popular biennial or short-lived perennial flowering plant, typically grown as an ornamental in gardens. It features clusters of brightly colored, often fragrant flowers in shades of red, pink, white, purple, and bicolors. The plant has a clumping growth habit, reaching heights of 30-60 cm. While it can be grown indoors, it requires very bright light and cool temperatures to thrive, making it primarily an outdoor plant. People grow it for its attractive flowers, fragrance, and ease of cultivation in garden beds and borders.

Caryophyllaceae Southern Europe to Asia
✨ Features: Fragrant flowers, attracts pollinators
📖 Read Complete Sweet William Guide

Quick Plant Comparison

Feature Matrimony Vine Sweet William
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 7-10 days during the growing season, less frequently in winter Every 5-7 days outdoors, less frequently if grown indoors (though indoor growing is not ideal).
Humidity 30-50% 40-60%
Temperature 15-25°C 15-21°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height 1-3 meters (outdoor); significantly smaller in containers indoors, typically under 1 meter 30-60 cm (outdoors). Significantly smaller if grown indoors, typically 15-30cm.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained loamy soil Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

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.

Sweet William

Scientific Name Dianthus barbatus
Family Caryophyllaceae
Native To Southern Europe to Asia
Also Known As Sweet William, Sweet-William
Leaves Lance-shaped, blue-green leaves, 5-10 cm long.
Flowers Flowers are produced in dense clusters (corymbs), 5-10 cm in diameter. Each flower is about 2-3 cm across, with five petals that are often fringed or toothed. Colors range from red, pink, white, purple, and bicolors. Rarely flowers indoors due to light requirements.

📏 Size & Growth — Plant Comparison

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.

Sweet William

Height 30-60 cm (outdoors). Significantly smaller if grown indoors, typically 15-30cm.
Spread 20-30 cm
Growth Rate Moderate
Growth Pattern Clumping, upright growth habit.

🌱 Propagation — Comparing Plant Growth

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.

Sweet William

Methods: Seed, Stem cuttings, Division

Difficulty: Easy

Tips: Sow seeds indoors 6-8 weeks before the last frost or directly outdoors in spring. Stem cuttings can be taken in late spring or early summer. Divide clumps in early spring or fall.

✨ Benefits & Features — Comparing Plant Value

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

Sweet William

Sweet William is known for its clusters of brightly colored, fragrant flowers. It is a popular choice for cottage gardens and cut flower arrangements.

  • ✓ Attracts pollinators to your garden
  • ✓ Provides fragrant and colorful blooms
  • ✓ Easy to propagate from seed
  • ✓ Adds a touch of cottage charm to your landscape
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Sweet William

Repotting Not typically repotted, as it is usually grown as a biennial. If grown in containers, repot in spring if root-bound.
Pruning Deadhead spent flowers regularly to encourage more blooms. Cut back foliage after flowering.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season.
Seasonal Care In spring and summer, provide regular watering and fertilization. Deadhead spent flowers to encourage more blooms. In fall, cut back foliage after flowering. In winter, provide protection from frost in colder climates.

🌞 Light Requirements

Matrimony Vine

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

Low light tolerant: ❌ No

Sweet William

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

Low light tolerant: ❌ No

💧 Watering Needs

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.

Sweet William

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage. Signs of underwatering include wilting leaves, while overwatering can cause yellowing leaves and mushy stems.

🌡️ Temperature & Humidity

Matrimony Vine

Temperature: 15-25°C

Humidity: 30-50%

Sweet William

Temperature: 15-21°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

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.
Sweet William

Sweet William

Dianthus barbatus
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners who want colorful, fragrant flowers in their garden beds and borders.

✅ Choose This Plant If...

  • You want a fragrant flower that attracts pollinators.
  • You enjoy cottage garden aesthetics.
  • You want a plant with a variety of flower colors.
  • You are looking for a relatively easy-to-grow garden plant.
  • You want to add cut flowers to your home.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoor garden beds, borders, or containers in a sunny location.
🎨 Style: Cottage, Traditional, Bohemian
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Dianthus barbatus is toxic to dogs, cats, and horses. Symptoms include mild gastrointestinal upset and 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

📈

Matrimony Vine has fast growth, while Sweet William grows moderate.

💡 Pro Tips For Comparing These Plants

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.

Sweet William Care Tips

Sweet William is primarily an outdoor plant that requires full sun and well-drained soil. Indoor cultivation is challenging due to the need for intense light and cool temperatures. It is toxic to pets, requiring careful placement. Regular watering and fertilization are essential for healthy growth and flowering.

  • Deadhead spent flowers regularly to encourage more blooms.
  • Provide well-draining soil to prevent root rot.
  • Fertilize regularly during the growing season.
  • Protect from frost in colder climates.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: In colder climates, provide protection from frost with mulch or move container plants indoors to a cool, bright location. Reduce watering during dormancy.
☀️ Summer: Provide regular watering and fertilization during the growing season. Deadhead spent flowers to encourage more blooms. Protect from intense afternoon sun in hotter climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Sweet William

Common Issues: Root rot, Rust, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Rust: Remove infected leaves and apply a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide.

❓ Frequently Asked Questions — Comparing These Plants

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.

Sweet William

What are the light requirements for Sweet William?

Sweet William flourishes with plenty of sunlight, ideally needing at least six hours of direct sunlight each day. When grown in shadier conditions, the plant may produce fewer flowers and its stems can become leggy. An east-facing location that provides morning sun and afternoon shade is ideal in hotter climates. In cooler regions, a south-facing location is preferable to ensure sufficient sunlight. If grown indoors, place Sweet William near a sunny window, supplementing with grow lights if necessary, particularly during winter months when natural light is limited. Insufficient light can lead to weak growth and reduced flowering.

How do I care for Sweet William?

Sweet William thrives in well-drained soil and requires full sun to partial shade, ideally at least 6 hours of sunlight daily. Water regularly, especially during dry periods, ensuring the soil remains consistently moist but not waterlogged. Fertilize every 4-6 weeks during the growing season with a balanced, water-soluble fertilizer to promote abundant blooms. Deadhead spent flowers to encourage further flowering. Sweet William prefers cooler temperatures and can tolerate light frost. In warmer climates, provide some afternoon shade to prevent scorching. Protect from strong winds and heavy rain, which can damage the delicate stems and flowers. Mulch around the base of the plant to retain moisture and suppress weeds.

How do I propagate Sweet William?

Sweet William can be propagated through several methods.

Last updated: April 22, 2026 — Plant care data reviewed and verified by our editorial team.