Morning Glory vs Queen of the Night Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
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.
Queen of the Night
Selenicereus grandiflorus
Selenicereus grandiflorus, commonly known as Queen of the Night, is an epiphytic or lithophytic cactus characterized by its long, sprawling, and often climbing stems. These stems are typically green to grayish-green, ribbed, and adorned with small spines. It is primarily grown for its spectacular, large, fragrant, white flowers that bloom only at night and wither by dawn. The plant is naturally an outdoor plant, thriving in tropical and subtropical climates. While it can be grown indoors, providing the right conditions for flowering can be challenging.
Quick Plant Comparison
| Feature | Morning Glory | Queen of the Night |
|---|---|---|
| Light | Full sun (at least 6-8 hours of direct sunlight daily) | Bright, indirect light to full sun. Requires several hours of direct sunlight for optimal growth and flowering. |
| Watering | Every 2-3 days outdoors in warm weather, less frequently in cooler conditions. | Every 2-3 weeks during growing season, less in winter |
| Humidity | 40-60% | 40-60% |
| Temperature | 18-27°C | 18-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Fast | Moderate |
| Max Height | Rarely grown indoors, but outdoors can reach 2-3 meters. | Indoors: 1-3 meters (can be trained to grow on supports) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining soil, such as a mix of potting soil, perlite, and compost. | Well-draining cactus or succulent mix |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 30 minutes weekly during the growing season. | 30 minutes weekly |
🔬 Botanical Information — Comparing These Plants
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. |
Queen of the Night
| Scientific Name | Selenicereus grandiflorus |
|---|---|
| Family | Cactaceae |
| Native To | Native to the West Indies, Mexico, and Central America |
| Also Known As | Queen of the Night, Night-blooming Cereus, Large-flowered Cactus, Sweet-scented Cactus |
| Leaves | This plant does not have true leaves. Instead, it has long, green to grayish-green stems that are ribbed and have small spines along the ribs. These stems function similarly to leaves in photosynthesis. |
| Flowers | The Queen of the Night can flower indoors, but it is more challenging than outdoors. The flowers are large, white, and highly fragrant, typically 20-30 cm in diameter. They bloom only at night and wither by dawn. |
📏 Size & Growth — Plant Comparison
Morning Glory
Queen of the Night
🌱 Propagation — Comparing Plant Growth
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.
Queen of the Night
Methods: Stem cuttings, Seed
Difficulty: Moderate
Tips: Allow stem cuttings to callous over for a few days before planting in well-draining soil. Keep the soil lightly moist until roots develop.
✨ Benefits & Features — Comparing Plant Value
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
Queen of the Night
The Queen of the Night is unique due to its nocturnal blooming habit and the short lifespan of its flowers. The large, fragrant, white flowers only open for one night, making it a rare and special sight. The plant's epiphytic nature also distinguishes it from typical cacti.
- ✓ Unique and dramatic aesthetic appeal
- ✓ Fragrant flowers that bloom at night
- ✓ Can be a conversation starter due to its unusual blooming habit
- ✓ Provides a sense of accomplishment when successfully grown
- ✓ Offers a connection to nature, even indoors
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Morning Glory
Queen of the Night
🌞 Light Requirements
Morning Glory
Full sun (at least 6-8 hours of direct sunlight daily)
Low light tolerant: ❌ No
Queen of the Night
Bright, indirect light to full sun. Requires several hours of direct sunlight for optimal growth and flowering.
Low light tolerant: ❌ No
💧 Watering Needs
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.
Queen of the Night
Water thoroughly when the soil is dry to the touch, allowing excess water to drain away. Reduce watering frequency during the dormant winter months. Overwatering can lead to root rot, indicated by soft, mushy stems. Underwatering results in shriveled stems.
🌡️ Temperature & Humidity
Morning Glory
Temperature: 18-27°C
Humidity: 40-60%
Queen of the Night
Temperature: 18-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
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.
Queen of the Night
Selenicereus grandiflorusExperienced plant enthusiasts who can provide the specific environmental conditions required for this plant to thrive and potentially bloom.
✅ Choose This Plant If...
- You are an experienced gardener looking for a challenge.
- You have a very bright, sunny location indoors or a suitable outdoor space.
- You are fascinated by night-blooming plants.
- You are willing to provide a cool, dry winter rest to encourage flowering.
- You appreciate fragrant flowers, even if they are short-lived.
❌ Skip This Plant If...
- You are a beginner gardener.
- You have pets that might ingest the plant.
- You do not have a location with sufficient sunlight.
- You are looking for a plant that blooms frequently and for extended periods.
- You are not able to provide a cool, dry winter rest.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Morning Glory has fast growth, while Queen of the Night grows moderate.
💡 Pro Tips For Comparing These Plants
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.
Queen of the Night Care Tips
Queen of the Night is challenging to grow indoors due to its high light requirements and need for a distinct dry period in winter to encourage flowering. It requires careful attention to watering and humidity. Flowering indoors is rare without very specific conditions.
- Provide a trellis or support structure for the stems to climb.
- Ensure excellent drainage to prevent root rot.
- Mimic the plant's natural environment with a distinct wet/dry cycle.
- Provide a cool, dry rest period in winter to encourage flowering.
- Protect from extreme temperatures and drafts.
⚠️ Common Problems & Solutions — Plant Care Comparison
Morning Glory
Queen of the Night
❓ Frequently Asked Questions — Comparing These Plants
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.
Queen of the Night
What are the light requirements for Queen of the Night?
Queen of the Night cacti thrive in bright, indirect light. Direct sunlight can scorch the stems, especially during the hottest part of the day. An east-facing window is ideal, providing morning sun, while a west-facing window with some shading can also work. If grown indoors, supplement with grow lights if natural light is insufficient.
How do I care for Queen of the Night?
Queen of the Night cacti require bright, indirect light, well-draining soil, and careful watering. Water thoroughly when the top inch of soil is dry during the growing season (spring and summer), but reduce watering significantly during the dormant period (fall and winter). Avoid overwatering, as this can lead to root rot.
How do I propagate Queen of the Night?
Queen of the Night can be propagated through offsets, seeds, or grafting. Offsets, which are small plantlets that grow from the base of the plant, can be carefully removed and potted in well-draining cactus mix. Allow the cut end to callous over for a few days before planting.
Last updated: May 3, 2026 — Plant care data reviewed and verified by our editorial team.