Lily of the Valley vs Morning Glory Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Lily of the Valley
Convallaria majalis
Lily of the Valley is a rhizomatous perennial plant known for its delicate, sweetly scented bell-shaped flowers. It typically grows to about 15-30 cm tall. The plant features two broad, lance-shaped leaves arising from the base, with a raceme of small, nodding white flowers appearing in spring. It spreads via underground rhizomes, forming colonies. While prized for its beauty and fragrance, it's important to remember that all parts of the plant are poisonous. It is primarily an outdoor plant, thriving in woodland conditions.
Morning Glory
Ipomoea purpurea
Ipomoea purpurea, the Common Morning Glory, is a fast-growing, annual climbing vine known for its vibrant, trumpet-shaped flowers that open in the morning and close in the afternoon. It features heart-shaped leaves and twining stems that can quickly cover fences, trellises, and other structures. While prized for its beauty and rapid growth outdoors, it's not typically grown indoors due to its high light requirements and aggressive growth habit. People grow it for its ornamental value, providing quick coverage and colorful blooms in gardens.
Quick Plant Comparison
| Feature | Lily of the Valley | Morning Glory |
|---|---|---|
| Light | Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day. | Full sun (at least 6-8 hours of direct sunlight daily) |
| Watering | Every 2-3 days during active growth, less frequently during dormancy. | Every 2-3 days outdoors in warm weather, less frequently in cooler conditions. |
| Humidity | 40-60% | 40-60% |
| Temperature | 15-21°C | 18-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Fast |
| Max Height | 15-30 cm | Rarely grown indoors, but outdoors can reach 2-3 meters. |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining, humus-rich soil with a slightly acidic to neutral pH (6.0-7.0). | Well-draining soil, such as a mix of potting soil, perlite, and compost. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 15 minutes weekly (primarily watering and removing spent flowers) | 30 minutes weekly during the growing season. |
🔬 Botanical Information — Comparing These Plants
Lily of the Valley
| Scientific Name | Convallaria majalis |
|---|---|
| Family | Asparagaceae |
| Native To | Native to Europe and Asia, widely naturalized in North America |
| Also Known As | Lily of the Valley, May Lily, May Bells, Our Lady's Tears |
| Leaves | Two broad, lance-shaped, dark green leaves arise from the base of the plant. Leaves are smooth and slightly glossy, typically 10-25 cm long and 4-8 cm wide. |
| Flowers | Rarely flowers indoors unless forced. Outdoors, it produces racemes of small, nodding, bell-shaped white flowers in spring. The flowers are highly fragrant. |
Morning Glory
| Scientific Name | Ipomoea purpurea |
|---|---|
| Family | Convolvulaceae |
| Native To | Mexico and Central America |
| Also Known As | Common Morning Glory, Tall Morning Glory |
| Leaves | Heart-shaped leaves, typically 5-15 cm long, with a smooth texture and a vibrant green color. |
| Flowers | Produces trumpet-shaped flowers in shades of purple, pink, blue, and white. Flowers are typically 5-8 cm in diameter and bloom profusely during the summer months. Rarely flowers indoors. |
📏 Size & Growth — Plant Comparison
Lily of the Valley
Morning Glory
🌱 Propagation — Comparing Plant Growth
Lily of the Valley
Methods: Division of rhizomes, Seed
Difficulty: Moderate
Tips: Divide rhizomes in early spring or fall. Replant the divided rhizomes in well-prepared soil, ensuring they are planted at the same depth as before. Seeds can be sown in the fall, but germination can be slow and erratic.
Morning Glory
Methods: Seed, Stem cuttings
Difficulty: Easy
Tips: Soak seeds in water for 24 hours before planting to improve germination. For stem cuttings, take cuttings from healthy vines and root them in water or moist soil.
✨ Benefits & Features — Comparing Plant Value
Lily of the Valley
Lily of the Valley is known for its intensely fragrant, bell-shaped flowers and its ability to spread via rhizomes, forming dense colonies. Its toxicity is a significant characteristic that requires careful handling.
- ✓ Fragrant flowers enhance mood and reduce stress.
- ✓ Adds beauty to shady garden areas.
- ✓ Provides ground cover in woodland settings.
- ✓ Historically significant and culturally relevant.
- ✓ Can be forced indoors for short-term enjoyment.
- ⚠️ Toxic to pets
Morning Glory
The flowers of Ipomoea purpurea open in the morning and close in the afternoon, a characteristic known as nyctinasty. The plant is a prolific seed producer, contributing to its rapid spread.
- ✓ Provides quick coverage and visual appeal to fences and trellises.
- ✓ Attracts pollinators like hummingbirds and butterflies to the garden.
- ✓ Offers vibrant, colorful blooms that enhance the aesthetic of outdoor spaces.
- ✓ Can be used to create a natural privacy screen.
- ✓ Relatively easy to grow from seed.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Lily of the Valley
Morning Glory
🌞 Light Requirements
Lily of the Valley
Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.
Low light tolerant: ✅ Yes
Morning Glory
Full sun (at least 6-8 hours of direct sunlight daily)
Low light tolerant: ❌ No
💧 Watering Needs
Lily of the Valley
Keep the soil consistently moist, but not waterlogged. Water when the top inch of soil feels dry to the touch. Overwatering can lead to root rot, while underwatering can cause the leaves to wilt and brown.
Morning Glory
Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of overwatering include yellowing leaves and wilting, while underwatering is indicated by dry, crispy leaves and drooping.
🌡️ Temperature & Humidity
Lily of the Valley
Temperature: 15-21°C
Humidity: 40-60%
Morning Glory
Temperature: 18-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Lily of the Valley
Convallaria majalisExperienced gardeners who can provide the specific environmental conditions and manage its toxicity.
✅ Choose This Plant If...
- You love fragrant flowers and are willing to provide a cool dormancy period.
- You have a shady garden spot where it can thrive.
- You are an experienced gardener who can manage its specific needs.
- You are aware of its toxicity and can keep it away from children and pets.
- You appreciate its delicate beauty and historical significance.
❌ Skip This Plant If...
- You have pets or small children who might ingest it.
- You are a beginner gardener looking for an easy-care plant.
- You don't have a cool, shady location to grow it.
- You want a plant that thrives indoors without special care.
- You dislike plants that spread aggressively.
Morning Glory
Ipomoea purpureaGardeners looking for a fast-growing vine to cover fences, trellises, or other structures outdoors.
✅ Choose This Plant If...
- You want a fast-growing vine to quickly cover a fence or trellis.
- You want to attract hummingbirds and butterflies to your garden.
- You enjoy vibrant, colorful flowers that bloom in the morning.
- You have a sunny outdoor space with well-draining soil.
- You are prepared to manage its aggressive growth and prevent it from becoming invasive.
❌ Skip This Plant If...
- You have pets that might ingest the seeds.
- You don't have a sunny outdoor space.
- You are looking for a low-maintenance plant.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Lily of the Valley has moderate growth, while Morning Glory grows fast.
💡 Pro Tips For Comparing These Plants
Lily of the Valley Care Tips
Lily of the Valley is primarily an outdoor plant that thrives in cool, shady conditions. Growing it indoors is challenging due to its need for a cool dormancy period and specific humidity requirements. It also spreads aggressively via rhizomes, requiring careful containment. Toxicity is a major concern for pet owners.
- Provide a cool dormancy period (near freezing) in winter for optimal flowering.
- Ensure well-draining soil to prevent root rot.
- Protect from direct sunlight to prevent leaf scorch.
- Divide rhizomes regularly to control spread.
- Be vigilant about pests and diseases.
Morning Glory Care Tips
Morning Glory is primarily an outdoor plant that requires full sun and ample space to grow. It's challenging to grow indoors due to its high light needs and aggressive growth. Requires regular watering and fertilization during the growing season. Can become invasive if not managed properly.
- Soak seeds in water for 24 hours before planting to improve germination.
- Provide a sturdy support structure for the vines to climb.
- Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
- Fertilize regularly during the growing season to promote abundant blooms.
- Monitor for pests and diseases and treat promptly to prevent spread.
⚠️ Common Problems & Solutions — Plant Care Comparison
Lily of the Valley
Morning Glory
❓ Frequently Asked Questions — Comparing These Plants
Lily of the Valley
What are the light requirements for Lily of the Valley?
Lily of the Valley prefers partial to full shade. While it can tolerate some morning sun, avoid exposing it to harsh afternoon sunlight, which can scorch the leaves. Ideal placement is under the canopy of trees or in a location that receives dappled sunlight throughout the day. Insufficient light can lead to leggy growth and reduced flowering.
How do I care for Lily of the Valley?
Lily of the Valley thrives in partial to full shade, requiring well-draining soil that’s consistently moist but not soggy. Water thoroughly when the top inch of soil feels dry. Fertilize sparingly, using a balanced liquid fertilizer diluted to half strength during the growing season (spring to early summer) to encourage blooming. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.
How do I propagate Lily of the Valley?
The most common method for propagating Lily of the Valley is through division. In early spring or fall, carefully dig up an established clump of rhizomes. Gently separate the rhizomes, ensuring that each section has healthy roots and at least one growth bud. Replant the divided rhizomes in well-draining soil, spacing them a few inches apart. Water thoroughly and keep the soil consistently moist until new growth appears.
Morning Glory
What are the light requirements for Morning Glory?
Morning Glories are sun-loving plants and require at least 6 hours of direct sunlight each day to thrive. Insufficient light can lead to leggy growth, fewer blooms, and pale foliage. When planting, choose a location that receives full sun throughout the morning and early afternoon. In hotter climates, some afternoon shade can be beneficial to prevent scorching. For container-grown plants, rotate the pot regularly to ensure even exposure to light. If growing indoors, place the Morning Glory near a south-facing window or supplement with grow lights. Lack of sufficient light will significantly impact the plant’s health and flowering ability.
How do I care for Morning Glory?
Morning Glories thrive in full sun, needing at least 6 hours of direct sunlight daily. Plant them in well-draining soil amended with compost. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Provide a sturdy support structure like a trellis, fence, or arbor for the vines to climb. Fertilize monthly during the growing season with a balanced fertilizer. Prune regularly to control growth and encourage branching, which promotes more blooms. Deadhead spent flowers to prolong the blooming period. Monitor for pests like aphids and spider mites and treat as needed. In colder climates, treat as annuals, or overwinter indoors if grown in containers. Protect from frost.
How do I propagate Morning Glory?
Morning Glories can be easily propagated from stem cuttings or by layering. For stem cuttings, take a 4-6 inch cutting from a healthy vine, remove the lower leaves, and place the cutting in water or moist potting mix. Roots should develop in a few weeks. For layering, bend a long vine to the ground and bury a section of the stem in soil, leaving the tip exposed. Once roots have formed at the buried section, sever the new plant from the parent vine. Both methods are best done in spring or early summer. Ensure the cuttings or layered sections receive adequate moisture and warmth to promote root development.
Last updated: April 19, 2026 — Plant care data reviewed and verified by our editorial team.