Mare's Tail vs Morning Glory Plant Comparison

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

Mare's Tail

Mare's Tail

Equisetum arvense

VS
Morning Glory

Morning Glory

Ipomoea purpurea

Mare's Tail

Mare's Tail

Equisetum arvense

Equisetum arvense, commonly known as Mare's Tail or Horsetail, is a perennial plant characterized by its distinctive segmented stems that resemble a horse's tail. It grows from creeping rhizomes, allowing it to spread aggressively. The plant has two types of stems: fertile stems that produce spores and sterile stems that are green and photosynthetic. It is primarily an outdoor plant, thriving in moist environments. People grow it for its unique appearance, though its aggressive spreading habit can make it a challenging garden plant. It is not typically grown indoors due to its specific environmental needs and invasive nature.

Equisetaceae Native to temperate regions of the Northern Hemisphere, including North America, Europe, and Asia
✨ Features: Ancient plant with a unique appearance; used historically for medicinal purposes (though caution is advised due to toxicity and potential interactions)
📖 Read Complete Mare's Tail Guide
Morning Glory

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.

Convolvulaceae Mexico and Central America
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Morning Glory Guide

Quick Plant Comparison

Feature Mare's Tail Morning Glory
Light Full sun to partial shade Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 2-3 days, depending on weather and soil drainage Every 2-3 days outdoors in warm weather, less frequently in cooler conditions.
Humidity 50-70% 40-60%
Temperature 10-25°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 30-60 cm (outdoor) Rarely grown indoors, but outdoors can reach 2-3 meters.
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Moist, well-draining soil; tolerates a wide range of soil types, including clay and sandy soils Well-draining soil, such as a mix of potting soil, perlite, and compost.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (due to aggressive spreading) 30 minutes weekly during the growing season.

🔬 Botanical Information — Comparing These Plants

Mare's Tail

Scientific Name Equisetum arvense
Family Equisetaceae
Native To Native to temperate regions of the Northern Hemisphere, including North America, Europe, and Asia
Also Known As Horsetail, Field Horsetail, Bottle Brush, Paddock Pipes
Leaves Leaves are reduced to small, scale-like sheaths that encircle the stem at each node. The main photosynthetic function is carried out by the green stems.
Flowers Does not flower. Reproduces via spores produced on fertile stems, which are different from the green, photosynthetic stems.

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

Mare's Tail

Height 30-60 cm (outdoor)
Spread Spreads aggressively via rhizomes, forming extensive colonies
Growth Rate Fast
Growth Pattern Upright, segmented stems emerge from creeping rhizomes, forming dense colonies. The plant spreads horizontally via rhizomes, quickly covering large areas.

Morning Glory

Height Rarely grown indoors, but outdoors can reach 2-3 meters.
Spread Spreads aggressively via seeds and can cover large areas.
Growth Rate Fast
Growth Pattern Climbing vine that twines around structures for support. It can quickly cover fences, trellises, and other surfaces.

🌱 Propagation — Comparing Plant Growth

Mare's Tail

Methods: Rhizome division, spores (difficult)

Difficulty: Moderate

Tips: Divide rhizomes in spring or fall. Ensure each division has healthy roots and stems. Plant in moist soil and keep well-watered.

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

Mare's Tail

Mare's Tail is a living fossil, with ancestors dating back millions of years. Its high silica content gives it a rough texture and makes it resistant to pests and diseases. Its aggressive spreading habit allows it to quickly colonize wet areas.

  • ✓ Unique aesthetic appeal in a natural setting.
  • ✓ Can help stabilize soil in wet areas.
  • ✓ Provides habitat for some insects.
  • ✓ Historically used for medicinal purposes (though not recommended due to toxicity).
  • ✓ Adds a touch of prehistoric charm to the landscape.
  • ⚠️ 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

Mare's Tail

Repotting Not applicable for indoor growing. If grown in a container outdoors, repot annually to control spread.
Pruning Cut back dead or damaged stems as needed. Control spread by removing unwanted shoots.
Fertilizing Not typically needed; can benefit from a light application of balanced fertilizer in spring if growth is weak
Seasonal Care In spring, new growth emerges. In summer, ensure adequate moisture. In fall, stems may die back. In winter, the plant is dormant; reduce watering but keep soil slightly moist.

Morning Glory

Repotting Not applicable as it is an annual. If grown in a container, refresh the soil annually.
Pruning Prune to control growth and remove dead or damaged vines. Deadheading spent flowers can encourage more blooms.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season.
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, reduce watering as the plant prepares to set seed. In winter, the plant dies back as it is an annual.

🌞 Light Requirements

Mare's Tail

Full sun to partial shade

Low light tolerant: ❌ No

Morning Glory

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

Low light tolerant: ❌ No

💧 Watering Needs

Mare's Tail

Requires consistently moist soil. Water deeply when the top inch of soil feels dry. Overwatering can lead to root rot, especially in poorly drained soils. Underwatering will cause the stems to dry out and turn 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

Mare's Tail

Temperature: 10-25°C

Humidity: 50-70%

Morning Glory

Temperature: 18-27°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Mare's Tail

Mare's Tail

Equisetum arvense
Care: Expert Time: 30 minutes weekly (due to aggressive spreading) Beginner: No

Experienced gardeners looking for a unique plant for a specific outdoor environment, understanding its invasive potential and toxicity.

✅ Choose This Plant If...

  • You want a unique, prehistoric-looking plant for a bog garden or water feature.
  • You have a very wet area where other plants struggle to grow.
  • You are interested in the historical uses of plants and their connection to ancient ecosystems.
  • You are prepared to manage its aggressive spreading habit.
  • You have a secure outdoor location where pets and livestock cannot access it.

❌ Skip This Plant If...

  • You have pets or livestock that might ingest the plant.
  • You are looking for a low-maintenance plant.
  • You want a plant that stays contained and doesn't spread aggressively.
  • You are looking for an indoor plant.
  • You are a beginner gardener.
📍 Ideal Location: Outdoor bog garden, water feature, or consistently moist area with full sun to partial shade
🎨 Style: Naturalistic, Wild, Prehistoric
🏠 Apartment Friendly: No
⚠️ Toxic to horses, cats, and dogs. Contains thiaminase, which can lead to thiamine deficiency. Symptoms include incoordination, weakness, and seizures. All parts of the plant are toxic.
Morning Glory

Morning Glory

Ipomoea purpurea
Care: Expert Time: 30 minutes weekly during the growing season. Beginner: No

Gardeners 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.
📍 Ideal Location: Sunny outdoor garden or patio.
🎨 Style: Cottage, Bohemian, Traditional
🏠 Apartment Friendly: No
⚠️ Seeds are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and hallucinations. Contains toxic alkaloids.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Mare's Tail needs full sun to partial shade, while Morning Glory prefers full sun (at least 6-8 hours of direct sunlight daily).

💡 Pro Tips For Comparing These Plants

Mare's Tail Care Tips

Mare's Tail is primarily an outdoor plant that requires consistently moist soil and ample sunlight. Its aggressive spreading habit makes it challenging to contain in a garden setting. It is not suitable for indoor cultivation due to its specific environmental needs and invasive nature. Toxicity to pets is a significant concern.

  • Use physical barriers to contain the spread of rhizomes.
  • Ensure adequate drainage to prevent root rot.
  • Monitor for signs of thiamine deficiency in animals if they have access to the plant.
  • Wear gloves when handling the plant to avoid skin irritation from the silica content.
  • Consider growing it in a container sunk into the ground to control its spread.
❄️ Winter: The plant goes dormant in winter. Reduce watering but keep the soil slightly moist. Remove any dead or decaying stems.
☀️ Summer: Ensure adequate moisture during the summer months. Provide some afternoon shade in hotter climates to prevent the stems from drying out.

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.
❄️ Winter: As an annual, the plant dies back in winter. Remove dead vines and prepare the soil for the next growing season.
☀️ Summer: Provide regular watering and fertilization during the growing season. Monitor for pests and diseases and provide support for the vines to climb.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mare's Tail

Common Issues: Aggressive spreading, thiamine deficiency in animals if ingested, fungal diseases in overly wet conditions, nutrient deficiencies in poor soils
Solutions: Use barriers to contain spread; ensure pets do not have access to the plant; improve drainage and air circulation to prevent fungal diseases; amend soil with compost or fertilizer to correct nutrient deficiencies

Morning Glory

Common Issues: Aphids, Spider mites, Fungal diseases (due to overwatering)
Solutions: Treat aphids and spider mites with insecticidal soap or neem oil. Improve air circulation and avoid overwatering to prevent fungal diseases. Remove affected leaves.

❓ Frequently Asked Questions — Comparing These Plants

Mare's Tail

What are the light requirements for Mare's Tail?

Mare’s Tail requires moderate to high lighting for optimal growth. Insufficient light can lead to leggy growth and a decline in the plant’s health. In aquariums, provide at least 8-10 hours of light per day using fluorescent or LED aquarium lights. If growing Mare’s Tail outdoors in a pond, ensure it receives several hours of direct sunlight each day, but avoid excessive exposure to intense midday sun, which can scorch the leaves. Adjust the lighting intensity and duration based on the plant’s response. Watch for signs of etiolation (stretching towards the light) and adjust lighting accordingly.

How do I care for Mare's Tail?

Mare’s Tail thrives in aquatic or semi-aquatic environments. For submerged growth, maintain a water temperature between 60-75°F (15-24°C). Provide moderate to high lighting to encourage healthy growth. Ensure the water is clean and well-oxygenated, performing regular water changes (25-50% weekly) to remove accumulated nitrates and maintain water quality. Fertilize sparingly with a liquid fertilizer specifically formulated for aquatic plants, following the manufacturer’s instructions. If grown in a semi-aquatic setup, keep the roots consistently moist. Trim any dead or decaying foliage to prevent the spread of disease. Monitor for algae growth and address as needed with appropriate algaecides or by manually removing the algae.

How do I propagate Mare's Tail?

Mare’s Tail is easily propagated through cuttings.

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: May 16, 2026 — Plant care data reviewed and verified by our editorial team.