Poker Plant vs Sweet William Plant Comparison

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

Poker Plant

Poker Plant

Eremurus spp.

VS
Sweet William

Sweet William

Dianthus barbatus

Poker Plant

Poker Plant

Eremurus spp.

Eremurus, commonly known as Foxtail Lilies or Desert Candles, are striking perennial plants characterized by their tall, dense flower spikes that can reach impressive heights. These plants feature a basal rosette of strap-like leaves from which the flower stalk emerges. The flowers are small, star-shaped, and densely packed along the upper portion of the stalk, creating a dramatic visual display. Eremurus are primarily outdoor plants, prized for their architectural presence in gardens. They are not typically grown indoors due to their size and specific environmental needs. People grow them for their unique and eye-catching blooms, adding vertical interest and a touch of the exotic to landscapes.

Asphodelaceae Central and Western Asia
✨ Features: Unique flower spikes, attracts pollinators
📖 Read Complete Poker Plant 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 Poker Plant Sweet William
Light Full sun (at least 6-8 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 1-2 weeks during the growing season, less frequently during dormancy. Every 5-7 days outdoors, less frequently if grown indoors (though indoor growing is not ideal).
Humidity 30-50% 40-60%
Temperature 10-25°C 15-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 1.2-3 meters (outdoor) 30-60 cm (outdoors). Significantly smaller if grown indoors, typically 15-30cm.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a sandy loam with added organic matter. Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during the growing season. 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Poker Plant

Scientific Name Eremurus spp.
Family Asphodelaceae
Native To Central and Western Asia
Also Known As Foxtail Lily, Desert Candle, King's Spear
Leaves The leaves are strap-like, linear, and typically bluish-green in color. They form a basal rosette at the base of the plant and can be up to 60 cm long.
Flowers Eremurus flowers outdoors in late spring to early summer. The flowers are small, star-shaped, and densely packed along the upper portion of the flower spike. They come in a variety of colors, including white, yellow, orange, pink, and salmon. They do not typically flower indoors.

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

Poker Plant

Height 1.2-3 meters (outdoor)
Spread 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Eremurus grows from a rhizomatous rootstock. It produces a basal rosette of leaves in the spring, followed by a tall, upright flower spike that emerges from the center of the rosette.

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

Poker Plant

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide established clumps in late summer or early fall after the foliage has died back. Sow seeds in fall or early spring, but be aware that seedlings may take several years to flower.

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

Poker Plant

Eremurus is unique due to its towering flower spikes, which create a dramatic and architectural presence in the garden. The dense arrangement of small, star-shaped flowers along the spike is also distinctive.

  • ✓ Adds dramatic vertical interest to gardens.
  • ✓ Attracts pollinators such as bees and butterflies.
  • ✓ Provides a unique and exotic aesthetic.
  • ✓ Drought-tolerant once established.
  • ✓ Can be used as a cut flower.
  • ⚠️ 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

Poker Plant

Repotting Not applicable for outdoor plants. If grown in containers (not recommended), repot every 2-3 years.
Pruning Remove spent flower spikes after blooming to encourage bulb development.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring as new growth emerges. Avoid over-fertilizing.
Seasonal Care Spring: Fertilize as new growth emerges. Summer: Water regularly during flowering. Fall: Divide clumps if needed. Winter: Dormant; protect from excessive moisture.

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

Poker Plant

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

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

Poker Plant

Water deeply but infrequently, allowing the soil to dry out between waterings. Overwatering can lead to root rot. During the growing season (spring and early summer), water more regularly. Reduce watering after flowering and during dormancy. Signs of underwatering include drooping leaves and stunted growth. Signs of overwatering include yellowing leaves and a mushy base.

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

Poker Plant

Temperature: 10-25°C

Humidity: 30-50%

Sweet William

Temperature: 15-21°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Poker Plant

Poker Plant

Eremurus spp.
Care: Expert Time: 15 minutes weekly during the growing season. Beginner: No

Experienced gardeners looking to add a dramatic vertical element to their outdoor landscapes.

✅ Choose This Plant If...

  • You want a dramatic, vertical accent in your garden.
  • You have a sunny, well-drained garden space.
  • You are an experienced gardener looking for a unique challenge.
  • You want to attract pollinators to your garden.
  • You appreciate architectural plants with striking blooms.

❌ Skip This Plant If...

  • You have limited sunlight in your garden.
  • You are a beginner gardener.
  • You have pets that might ingest the plant.
  • You live in a very humid climate with poor soil drainage.
📍 Ideal Location: Outdoor garden bed or border with full sun exposure.
🎨 Style: Cottage, Mediterranean, Desert, Architectural
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Eremurus as toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include dermatitis (skin irritation). 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

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Poker Plant Care Tips

Eremurus are primarily outdoor plants and are challenging to grow indoors due to their high light requirements and large size. They need well-draining soil and protection from excessive moisture. Indoor cultivation is not recommended.

  • Ensure excellent drainage to prevent root rot.
  • Provide support for tall flower spikes in windy areas.
  • Protect from slugs and snails, especially when young.
  • Mulch around the base of the plant to retain moisture and suppress weeds.
  • Avoid over-fertilizing, which can lead to weak growth.
❄️ Winter: In colder climates, provide a layer of mulch to protect the rhizomes from freezing temperatures. Ensure the soil is well-draining to prevent rot during wet winter conditions.
☀️ Summer: Water regularly during the flowering period. Provide support for tall flower spikes to prevent them from bending or breaking in windy conditions. Remove spent flower spikes after blooming.

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

Poker Plant

Common Issues: Root rot, Crown rot, Aphids, Slugs/Snails
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Crown rot: Improve drainage and remove affected plant parts. Aphids: Spray with insecticidal soap. Slugs/Snails: Use slug bait or handpick them off the plants.

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

Poker Plant

What are the light requirements for Poker Plant?

Poker Plants require bright, indirect light to thrive. They can tolerate some direct sunlight, especially in the morning or late afternoon, but prolonged exposure to intense midday sun can scorch their leaves. An east-facing window is often ideal, providing ample morning light without the harsh afternoon rays. A south-facing window can also work, but be sure to filter the light with a sheer curtain to prevent sunburn.

How do I care for Poker Plant?

Poker Plant thrives in bright, indirect light, but can tolerate some direct sunlight. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. The Poker Plant prefers well-draining potting mix. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Reduce watering and fertilization in the fall and winter.

How do I propagate Poker Plant?

Poker Plant can be propagated through division, stem cuttings, and keiki (small plantlets that grow on the flower spikes).

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 25, 2026 — Plant care data reviewed and verified by our editorial team.