Daylily vs Ornithogalum Plant Comparison

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

Daylily

Daylily

Hemerocallis spp.

VS
Ornithogalum

Ornithogalum

Ornithogalum umbellatum

Daylily

Daylily

Hemerocallis spp.

Daylilies are herbaceous perennials known for their vibrant, trumpet-shaped flowers that bloom for only a single day (hence the name). They form clumps of arching, grass-like leaves and produce tall flower stalks (scapes) bearing multiple buds, ensuring a succession of blooms over several weeks. Daylilies are primarily outdoor plants, prized for their low maintenance and wide range of flower colors, sizes, and forms. They are grown in gardens and landscapes for their beauty and ability to attract pollinators. While technically possible to grow indoors, they require very bright light and are unlikely to thrive or flower well.

Asphodelaceae Asia (primarily East Asia)
✨ Features: Wide range of flower colors and forms, attracts pollinators, relatively drought-tolerant once established.
📖 Read Complete Daylily Guide
Ornithogalum

Ornithogalum

Ornithogalum umbellatum

Ornithogalum umbellatum, commonly known as Star-of-Bethlehem, is a bulbous perennial flowering plant. It features basal, linear, grass-like leaves and erect stems bearing clusters of star-shaped, white flowers with green stripes on the reverse of the petals. It typically grows to a height of 15-30 cm. It is primarily grown outdoors in gardens and meadows for its attractive spring blooms. While sometimes forced indoors, it can be challenging to maintain long-term due to its specific light and dormancy requirements. It is known to spread readily via bulb offsets and seeds.

Asparagaceae Europe, North Africa, Western Asia
✨ Features: Attractive star-shaped flowers, naturalizes easily in suitable conditions.
📖 Read Complete Ornithogalum Guide

Quick Plant Comparison

Feature Daylily Ornithogalum
Light Full sun to partial shade (at least 6 hours of direct sunlight daily for optimal flowering) Full sun to partial shade outdoors. Indoors, requires very bright, direct light for several hours daily.
Watering Every 7-10 days, depending on weather and soil drainage Every 1-2 weeks during active growth, much less during dormancy.
Humidity 40-60% 40-60%
Temperature 13-27°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate To Fast; Can Be Aggressive Spreaders Via Rhizomes Moderate To Fast, Aggressive Spreader
Max Height 0.3-1.2 meters (outdoors); significantly smaller and less vigorous indoors 15-30 cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter Well-draining, loamy soil. A mix of potting soil, perlite, and sand is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly (deadheading, watering) 10 minutes weekly during growing season, less during dormancy.

🔬 Botanical Information — Comparing These Plants

Daylily

Scientific Name Hemerocallis spp.
Family Asphodelaceae
Native To Asia (primarily East Asia)
Also Known As Daylily
Leaves The leaves are linear, arching, and grass-like, typically 30-90 cm long and 2-4 cm wide. They are usually green, but some cultivars may have slightly different shades. The leaves emerge from the base of the plant in a fan-like arrangement.
Flowers Daylilies rarely flower indoors due to insufficient light. Outdoors, they produce trumpet-shaped flowers in a wide range of colors, including yellow, orange, red, pink, purple, and white. Flowers can be single, double, or spider-like in form, with varying petal shapes and sizes. Each flower lasts only one day, but the plant produces numerous buds for a prolonged blooming period.

Ornithogalum

Scientific Name Ornithogalum umbellatum
Family Asparagaceae
Native To Europe, North Africa, Western Asia
Also Known As Star-of-Bethlehem, Sleepydick, Summer Snowflake
Leaves Basal, linear, grass-like leaves that are typically 15-30 cm long and 0.5-1 cm wide. They are green and emerge in the spring.
Flowers Flowers are star-shaped, white with green stripes on the reverse of the petals. They are borne in clusters on erect stems. Flowering typically occurs in spring. Rarely flowers indoors unless provided with very specific conditions.

📏 Size & Growth — Plant Comparison

Daylily

Height 0.3-1.2 meters (outdoors); significantly smaller and less vigorous indoors
Spread 0.3-0.9 meters (outdoors); spreads via rhizomes
Growth Rate Moderate To Fast; Can Be Aggressive Spreaders Via Rhizomes
Growth Pattern Daylilies grow in clumps, with arching, grass-like leaves emerging from a central crown. They spread via rhizomes, forming larger clumps over time. Flower stalks (scapes) rise above the foliage, bearing multiple buds that open sequentially.

Ornithogalum

Height 15-30 cm
Spread Spreads readily via bulb offsets, potentially covering a wide area.
Growth Rate Moderate To Fast, Aggressive Spreader
Growth Pattern Erect, bulbous perennial that spreads via bulb offsets, forming clumps or colonies.

🌱 Propagation — Comparing Plant Growth

Daylily

Methods: Division, Seed

Difficulty: Easy

Tips: Divide clumps in early spring or fall. Ensure each division has healthy roots and foliage. Sow seeds in spring after a period of cold stratification.

Ornithogalum

Methods: Bulb offsets, Seed

Difficulty: Easy

Tips: Separate bulb offsets in the fall and replant them in well-draining soil. Sow seeds in the spring.

✨ Benefits & Features — Comparing Plant Value

Daylily

Daylilies are known for their individual flowers that only last one day, but the plant produces numerous buds for extended blooming. The wide variety of cultivars offers a diverse range of flower colors, shapes, and sizes.

  • ✓ Adds vibrant color to the garden
  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Relatively low maintenance
  • ✓ Drought-tolerant once established
  • ✓ Provides a long blooming season
  • ⚠️ Toxic to pets

Ornithogalum

The star-shaped, white flowers are distinctive and attractive. It has a tendency to spread readily, forming colonies in suitable conditions. The bulbs contain toxic compounds that can be harmful if ingested.

  • ✓ Provides beautiful spring blooms.
  • ✓ Attracts pollinators to the garden.
  • ✓ Naturalizes easily, creating a lovely ground cover.
  • ✓ Adds a touch of elegance to the garden.
  • ✓ Relatively low-maintenance once established outdoors.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Daylily

Repotting Not applicable for outdoor planting. If grown in containers, repot every 2-3 years or when the plant becomes root-bound, using a larger pot and fresh soil.
Pruning Remove spent flower stalks (deadheading) to encourage further blooming. Cut back foliage in late fall after it has died back.
Fertilizing Balanced slow-release fertilizer in spring, followed by a liquid fertilizer every 4-6 weeks during the growing season. Use at half strength.
Seasonal Care Spring: Fertilize and divide if needed. Summer: Deadhead spent flowers to encourage more blooms. Fall: Clean up dead foliage. Winter: Dormant; minimal watering needed.

Ornithogalum

Repotting Not typically repotted if grown outdoors. If grown in containers, repot every 2-3 years or when the bulbs become overcrowded, using fresh, well-draining soil.
Pruning Remove spent flower stalks after blooming to prevent seed formation and encourage bulb growth. Remove yellowing or dead foliage.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied once or twice during the growing season (spring).
Seasonal Care In spring, provide regular watering and fertilization. In summer, allow the plant to dry out after flowering and enter dormancy. In fall, divide and replant bulbs if desired. In winter, keep the soil mostly dry.

🌞 Light Requirements

Daylily

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

Low light tolerant: ❌ No

Ornithogalum

Full sun to partial shade outdoors. Indoors, requires very bright, direct light for several hours daily.

Low light tolerant: ❌ No

💧 Watering Needs

Daylily

Water deeply when the top inch of soil feels dry. Avoid overhead watering to prevent fungal diseases. Overwatering can lead to root rot, indicated by yellowing and wilting leaves. Underwatering results in dry, crispy leaf tips and reduced flowering.

Ornithogalum

Water thoroughly when the top inch of soil is dry during the growing season (spring). Reduce watering significantly after flowering as the plant enters dormancy. Overwatering can lead to bulb rot, especially during dormancy. Underwatering will cause leaves to yellow and wither prematurely.

🌡️ Temperature & Humidity

Daylily

Temperature: 13-27°C

Humidity: 40-60%

Ornithogalum

Temperature: 10-21°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Daylily

Daylily

Hemerocallis spp.
Care: Expert Time: 15 minutes weekly (deadheading, watering) Beginner: No

Gardeners looking for low-maintenance, colorful flowering perennials for their outdoor landscape.

✅ Choose This Plant If...

  • You want a low-maintenance perennial for your garden.
  • You desire a wide variety of flower colors and forms.
  • You want to attract pollinators to your yard.
  • You have a sunny location with well-drained soil.
  • You are looking for a plant that is relatively drought-tolerant once established.

❌ Skip This Plant If...

  • You have pets that may ingest the plant.
  • You do not have a sunny outdoor location.
  • You are looking for a plant that thrives indoors.
📍 Ideal Location: Outdoor garden or landscape with full sun exposure.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ Toxic to cats, dogs, and horses. All parts of the plant are toxic, especially the flowers and leaves. Symptoms include vomiting, kidney failure (especially in cats), lethargy, and loss of appetite.
Ornithogalum

Ornithogalum

Ornithogalum umbellatum
Care: Expert Time: 10 minutes weekly during growing season, less during dormancy. Beginner: No

Experienced gardeners who want a spring-blooming bulb for their outdoor garden.

✅ Choose This Plant If...

  • You want a beautiful spring-blooming flower in your garden.
  • You are looking for a plant that naturalizes easily.
  • You have a sunny spot in your garden where you want to add some white flowers.
  • You are an experienced gardener who can manage its spreading habit.
  • You want a plant that attracts pollinators.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You are a beginner gardener looking for an easy-to-care-for indoor plant.
  • You want a plant that stays contained and doesn't spread.
  • You don't have a very sunny location.
  • You are looking for a plant with year-round interest.
📍 Ideal Location: Outdoor garden bed or container in a sunny location. Indoors, a very bright, south-facing window.
🎨 Style: Cottage, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. Contains toxic glycosides. Symptoms include vomiting, diarrhea, abdominal pain, and cardiac effects. All parts of the plant are toxic, especially the bulbs.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Daylily has moderate to fast; can be aggressive spreaders via rhizomes growth, while Ornithogalum grows moderate to fast, aggressive spreader.

💡 Pro Tips For Comparing These Plants

Daylily Care Tips

Daylilies are primarily outdoor plants that require full sun and well-drained soil. Indoor cultivation is challenging due to high light requirements and the plant's natural growth habit. They are toxic to pets, requiring careful placement if grown in areas accessible to animals. Expect reduced flowering and vigor indoors.

  • Plant in well-drained soil to prevent root rot.
  • Provide at least 6 hours of direct sunlight daily for optimal flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Divide clumps every 3-5 years to maintain vigor.
  • Monitor for pests and diseases, and treat promptly.
❄️ Winter: In colder climates, daylily foliage will die back in winter. Cut back the dead foliage in late fall or early spring. Mulch around the base of the plant to protect the crown from freezing temperatures. Minimal watering is needed during dormancy.
☀️ Summer: Water deeply during hot, dry periods. Deadhead spent flowers regularly to encourage more blooms. Monitor for pests and diseases, and treat promptly. Provide afternoon shade in extremely hot climates to prevent scorching of the flowers.

Ornithogalum Care Tips

Ornithogalum umbellatum is primarily an outdoor plant. Indoor cultivation is challenging due to its high light requirements and dormancy needs. It requires a period of dormancy with reduced watering after flowering. It is also a potentially aggressive spreader, so container planting is recommended to control its spread.

  • Provide well-draining soil to prevent bulb rot.
  • Allow the plant to enter dormancy after flowering by reducing watering.
  • Divide and replant bulbs every few years to prevent overcrowding.
  • Monitor for aphids and treat promptly.
  • Provide ample sunlight for optimal flowering.
❄️ Winter: Keep the soil mostly dry during winter dormancy. Protect container-grown plants from freezing temperatures.
☀️ Summer: Allow the plant to dry out after flowering and enter dormancy. Reduce watering significantly. Provide some shade during the hottest part of the day.

⚠️ Common Problems & Solutions — Plant Care Comparison

Daylily

Common Issues: Crown rot, Aphids, Spider mites, Daylily rust
Solutions: Crown rot: Improve drainage and remove affected foliage. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide. Daylily rust: Remove and destroy infected leaves; apply fungicide.

Ornithogalum

Common Issues: Bulb rot, Aphids, Spreading aggressively, Lack of flowering indoors
Solutions: Ensure well-draining soil and avoid overwatering to prevent bulb rot. Treat aphids with insecticidal soap. Contain spread by planting in pots. Provide sufficient light and a proper dormancy period to encourage flowering.

❓ Frequently Asked Questions — Comparing These Plants

Daylily

What are the light requirements for Daylily?

Daylilies thrive in full sun, requiring at least six hours of direct sunlight each day for optimal growth and abundant blooming. Insufficient sunlight can lead to reduced flowering, leggy growth, and pale foliage. While they can tolerate partial shade, especially in hotter climates, a sunny location is crucial for vibrant colors and prolific blooms. Morning sun is preferable to intense afternoon sun, which can scorch the leaves in some regions. When planting daylilies, consider the amount of sunlight the area receives throughout the day and choose a spot that provides ample light. For container-grown daylilies, rotate the pot regularly to ensure even light exposure on all sides.

How do I care for Daylily?

Daylilies are relatively low-maintenance plants, making them ideal for gardeners of all levels. Plant them in well-draining soil in a location that receives at least six hours of sunlight daily for optimal blooming. Water deeply when the top inch of soil feels dry, especially during hot and dry periods. Fertilize in early spring with a balanced fertilizer and again after the first flush of blooms to encourage reblooming. Deadhead spent flowers regularly to promote continuous blooming and prevent seed formation. Divide clumps every 3-5 years in early spring or fall to prevent overcrowding and maintain vigor. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests like aphids and spider mites, and treat accordingly. Daylilies are generally hardy but may benefit from winter protection in colder climates.

How do I propagate Daylily?

Daylilies are easily propagated through division, stem cuttings (although less common), and keiki (small plantlets).

Ornithogalum

What are the light requirements for Ornithogalum?

Ornithogalum requires bright, indirect light to thrive and produce abundant blooms. A south- or east-facing window is ideal, but be sure to filter the light to prevent scorching the leaves. Insufficient light can result in weak stems, fewer flowers, and leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. During the winter months, when light levels are lower, consider supplementing with a grow light to maintain optimal growth and encourage future blooming. Avoid placing the plant in direct, harsh sunlight, especially during the hottest part of the day.

How do I care for Ornithogalum?

Ornithogalum thrives in bright, indirect light but can tolerate some direct sunlight. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. During the growing season (spring and summer), fertilize every two to four weeks with a balanced liquid fertilizer diluted to half strength, focusing on a fertilizer higher in phosphorus to promote blooming. Reduce watering and fertilization in the fall and winter months during the dormancy period. Maintain moderate humidity levels, but avoid misting the foliage, as this can encourage fungal diseases. Repot every one to two years in spring, using a well-draining potting mix. Deadhead spent flowers to encourage further blooming. Provide support if the flower stalks become too heavy.

How do I propagate Ornithogalum?

Ornithogalum is primarily propagated by bulb division. Carefully separate offsets from the mother bulb during repotting in the spring. Plant the new bulbs in individual pots with well-draining potting mix. Water thoroughly and provide bright, indirect light. Keep the soil consistently moist until new growth appears. Division is the most reliable method. Stem cuttings and keiki propagation are not applicable to Ornithogalum as it is a bulbous plant. Ensure each division has healthy roots for successful establishment. With proper care, the new plants will bloom in the following season.

Last updated: April 28, 2026 — Plant care data reviewed and verified by our editorial team.