Giant Reed vs Morning Glory Tree Plant Comparison

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

Giant Reed

Giant Reed

Arundo donax

VS
Morning Glory Tree

Morning Glory Tree

Ipomoea arborescens

Giant Reed

Giant Reed

Arundo donax

Giant Reed is a tall, perennial grass characterized by its robust, cane-like stems and feathery plumes. It can reach heights of up to 6 meters (20 feet) or more. The plant spreads aggressively via rhizomes, forming dense thickets. While primarily an outdoor plant valued for erosion control, screening, and ornamental purposes, it is rarely grown indoors due to its size and high light requirements. Its rapid growth and invasive nature make it a challenging plant to manage.

Poaceae Native to the Mediterranean basin and parts of Asia; widely naturalized elsewhere
✨ Features: Rapid growth, effective erosion control, potential biofuel source, used in reed instruments.
📖 Read Complete Giant Reed Guide
Morning Glory Tree

Morning Glory Tree

Ipomoea arborescens

Ipomoea arborescens, commonly known as the Morning Glory Tree, is a semi-deciduous tree or large shrub native to Mexico. It's characterized by its smooth, white bark and profuse display of large, white, trumpet-shaped flowers, typically blooming in late winter to early spring. The tree can reach heights of 10-15 meters in its natural habitat. It's grown for its ornamental value, adding a unique sculptural element to landscapes, especially in arid and semi-arid regions. While it can be grown in containers, it's primarily an outdoor plant and requires specific conditions to thrive.

Convolvulaceae Mexico (primarily southern Mexico)
✨ Features: Showy white flowers, drought tolerance, sculptural form.
📖 Read Complete Morning Glory Tree Guide

Quick Plant Comparison

Feature Giant Reed Morning Glory Tree
Light Full sun (at least 6-8 hours of direct sunlight daily) Full sun (at least 6-8 hours of direct sunlight daily)
Watering Every 1-2 weeks, depending on rainfall and soil drainage Every 1-2 weeks during the growing season, less frequently in winter.
Humidity 30-50% 30-50%
Temperature 15-30°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Moderate
Max Height Not suitable for indoor growing; outdoors up to 6 meters (20 feet) 2-4 meters (in containers, significantly less indoors, if attempted)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining soil; tolerates a wide range of soil types, including sandy, loamy, and clay soils. Prefers slightly acidic to neutral pH. Well-draining soil mix, such as a cactus or succulent mix amended with perlite or sand.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (primarily for monitoring spread and pruning) 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Giant Reed

Scientific Name Arundo donax
Family Poaceae
Native To Native to the Mediterranean basin and parts of Asia; widely naturalized elsewhere
Also Known As Giant Reed, Arundo, Spanish Reed, Carrizo
Leaves The leaves are long, lance-shaped, and typically green, although some cultivars may have variegated foliage. They are arranged alternately along the stem and have a rough texture.
Flowers Rarely flowers indoors. Outdoors, it produces large, feathery plumes of silvery-white flowers in late summer or early fall.

Morning Glory Tree

Scientific Name Ipomoea arborescens
Family Convolvulaceae
Native To Mexico (primarily southern Mexico)
Also Known As Morning Glory Tree, Tree Morning Glory, White Trumpet Tree, Palo Blanco
Leaves The leaves are ovate to heart-shaped, typically 5-10 cm long, and have a slightly rough texture. They are deciduous or semi-deciduous, meaning they may drop some or all of their leaves during the dormant season (winter). The color is typically a medium green.
Flowers It produces large, trumpet-shaped white flowers that are 5-10 cm in diameter. The flowers typically bloom in late winter to early spring, creating a spectacular display. Flowering indoors is rare and unlikely due to the high light requirements.

📏 Size & Growth — Plant Comparison

Giant Reed

Height Not suitable for indoor growing; outdoors up to 6 meters (20 feet)
Spread Spreads aggressively via rhizomes, forming large clumps. Can spread several meters wide.
Growth Rate Fast
Growth Pattern Upright, clumping growth habit. Spreads aggressively via rhizomes, forming dense thickets.

Morning Glory Tree

Height 2-4 meters (in containers, significantly less indoors, if attempted)
Spread 1-2 meters (in containers)
Growth Rate Moderate
Growth Pattern It grows as a small to medium-sized tree with a rounded crown. The branches are somewhat brittle. It can also be trained as a large shrub. It's not a vine like typical morning glories.

🌱 Propagation — Comparing Plant Growth

Giant Reed

Methods: Rhizome division, stem cuttings

Difficulty: Easy

Tips: Divide rhizomes in spring or fall. Stem cuttings can be rooted in water or directly in soil. Ensure adequate moisture during the rooting process.

Morning Glory Tree

Methods: Seed, stem cuttings

Difficulty: Moderate

Tips: For seeds, scarify and soak them in warm water for 24 hours before planting. Stem cuttings should be taken in spring or summer and rooted in well-draining soil.

✨ Benefits & Features — Comparing Plant Value

Giant Reed

Its rapid growth rate and tall stature distinguish it from other ornamental grasses. Its invasive nature requires careful management.

  • ✓ Rapid erosion control
  • ✓ Effective windbreak and privacy screen
  • ✓ Potential biofuel source
  • ✓ Natural sound barrier
  • ✓ Provides habitat for wildlife
  • 🐾 Pet Safe

Morning Glory Tree

The Morning Glory Tree is unique for its combination of a tree-like form with the characteristic trumpet-shaped flowers of morning glories. Its smooth, white bark adds to its ornamental appeal, making it a standout specimen in arid and semi-arid landscapes.

  • ✓ Provides shade in warm climates
  • ✓ Adds a unique sculptural element to the landscape
  • ✓ Attracts pollinators like bees and butterflies
  • ✓ Drought-tolerant and low-maintenance once established
  • ✓ Offers a beautiful display of white flowers in spring
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Giant Reed

Repotting Not applicable for outdoor planting. If grown in a container (not recommended), repot annually to manage rhizome growth.
Pruning Prune to control size and shape. Remove dead or damaged stems regularly. Severe pruning can be done in late winter or early spring.
Fertilizing Apply a balanced slow-release fertilizer in spring. Avoid over-fertilizing, as it can encourage excessive growth.
Seasonal Care Cut back dead or damaged stems in late winter or early spring. Monitor for invasive spread throughout the growing season. Provide support during windy conditions.

Morning Glory Tree

Repotting Every 2-3 years, or as needed when the plant becomes root-bound.
Pruning Prune in late winter or early spring to shape the tree and remove any dead or damaged branches.
Fertilizing Balanced slow-release fertilizer in spring, or a diluted liquid fertilizer every 2-3 months during the growing season.
Seasonal Care Reduce watering in winter during dormancy. Protect from frost in colder climates. Fertilize in spring to promote growth and flowering.

🌞 Light Requirements

Giant Reed

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

Low light tolerant: ❌ No

Morning Glory Tree

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

Low light tolerant: ❌ No

💧 Watering Needs

Giant Reed

Water deeply and regularly during the growing season, especially when newly planted. Established plants are relatively drought-tolerant but benefit from occasional watering during dry periods. Overwatering can lead to root rot, indicated by yellowing leaves and a foul odor from the soil. Underwatering results in wilting and browning of leaf tips.

Morning Glory Tree

Water deeply when the topsoil is dry to the touch. Avoid overwatering, as this can lead to root rot. In containers, ensure proper drainage. During the dormant season (winter), reduce watering significantly. Signs of underwatering include wilting leaves and dry soil. Overwatering can cause yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Giant Reed

Temperature: 15-30°C

Humidity: 30-50%

Morning Glory Tree

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Giant Reed

Giant Reed

Arundo donax
Care: Expert Time: 30 minutes weekly (primarily for monitoring spread and pruning) Beginner: No

Landowners needing rapid erosion control or a tall privacy screen in suitable climates.

✅ Choose This Plant If...

  • You need a fast-growing screen or windbreak
  • You have a large area where you need erosion control
  • You live in a Mediterranean climate with plenty of sun
  • You are interested in experimenting with biofuel crops
  • You need a natural sound barrier for your property.

❌ Skip This Plant If...

  • You have a small garden or property
  • You live in an area where it is considered an invasive species
  • You are looking for a low-maintenance plant
  • You want an indoor plant
  • You have pets that might ingest large quantities of plant material.
📍 Ideal Location: Outdoors in a sunny location with ample space.
🎨 Style: Naturalistic, Mediterranean, Wild Garden
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Arundo donax is not listed as toxic to dogs, cats, or horses.
Morning Glory Tree

Morning Glory Tree

Ipomoea arborescens
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want a unique and drought-tolerant ornamental tree.

✅ Choose This Plant If...

  • You live in a warm, sunny climate and have a large outdoor space.
  • You want a drought-tolerant tree with beautiful white flowers.
  • You are an experienced gardener looking for a unique specimen plant.
  • You appreciate the sculptural form and white bark of the tree.
  • You are prepared to provide the specific care this plant needs to thrive.

❌ Skip This Plant If...

  • You live in a cold climate with frequent frosts.
  • You have limited outdoor space or live in an apartment.
  • You have pets or small children who may ingest the plant.
  • You are a beginner gardener.
  • You cannot provide full sun exposure.
📍 Ideal Location: Sunny patio or garden in a warm climate.
🎨 Style: Southwestern, Mediterranean, Desert, Bohemian
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the seeds, contain toxic compounds. Ingestion can cause gastrointestinal upset, including vomiting and diarrhea, in dogs, cats, and horses. According to the ASPCA, Ipomoea species are toxic to animals.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Giant Reed ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Giant Reed has fast growth, while Morning Glory Tree grows moderate.

💡 Pro Tips For Comparing These Plants

Giant Reed Care Tips

Giant Reed is primarily an outdoor plant. Indoor cultivation is extremely challenging due to its size, light requirements, and aggressive growth. It needs full sun and ample space to thrive. Managing its invasive tendencies is crucial.

  • Plant in a location where its spread can be easily managed.
  • Provide regular watering during the establishment phase.
  • Monitor for signs of pests and diseases.
  • Cut back dead or damaged stems annually.
  • Consider using physical barriers to contain rhizome spread.
❄️ Winter: Cut back dead or damaged stems. Protect young plants from frost in colder climates.
☀️ Summer: Ensure adequate watering during hot, dry periods. Monitor for pests and diseases.

Morning Glory Tree Care Tips

The Morning Glory Tree is primarily an outdoor plant that requires full sun and well-draining soil. Growing it indoors is challenging due to its high light requirements and potential size. It's best suited for warm climates and requires careful watering to avoid root rot. Due to its toxicity, keep away from pets.

  • Ensure excellent drainage to prevent root rot.
  • Provide full sun exposure for optimal growth and flowering.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Protect from frost in colder climates.
  • Prune regularly to maintain shape and remove dead or damaged branches.
❄️ Winter: Reduce watering significantly during the winter months as the plant enters dormancy. Protect from frost if temperatures drop below freezing. Avoid fertilizing during this period.
☀️ Summer: Water more frequently during the hot summer months, ensuring the soil doesn't completely dry out. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Fertilize regularly to support growth and flowering.

⚠️ Common Problems & Solutions — Plant Care Comparison

Giant Reed

Common Issues: Invasive spread, susceptibility to aphids, fungal diseases in humid conditions, lodging (falling over) in strong winds.
Solutions: Use physical barriers to contain rhizome spread. Treat aphids with insecticidal soap. Improve air circulation to prevent fungal diseases. Provide support or prune to prevent lodging.

Morning Glory Tree

Common Issues: Root rot, spider mites, aphids, lack of flowering
Solutions: Ensure well-draining soil and avoid overwatering for root rot. Treat spider mites and aphids with insecticidal soap or neem oil. Provide sufficient sunlight to encourage flowering.

❓ Frequently Asked Questions — Comparing These Plants

Giant Reed

What are the light requirements for Giant Reed?

Giant Reed requires at least 6-8 hours of direct sunlight per day to thrive. Insufficient light can lead to weak growth, leggy stems, and reduced flowering. When planting in a container, choose a location that receives full sun throughout the day. If growing indoors, a south-facing window is ideal. Supplemental lighting, such as grow lights, may be necessary if natural light is limited. Rotate the plant regularly to ensure even light exposure on all sides. Observe the plant’s growth and adjust its position as needed to maximize sunlight absorption.

How do I care for Giant Reed?

Giant Reed thrives in full sun and prefers consistently moist to wet conditions. If grown in a container, use a large pot with drainage holes and place it in a tray filled with water to ensure constant moisture. For in-ground planting, choose a location near a water source or amend the soil with plenty of organic matter to improve water retention. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune dead or damaged stems regularly to maintain its appearance and prevent overcrowding. Monitor for pests and diseases, and address any issues promptly. Provide winter protection in colder climates by mulching around the base of the plant. Maintain good water quality by regularly changing water in containers and ensuring adequate circulation in ponds.

How do I propagate Giant Reed?

Giant Reed is easily propagated through division or cuttings. For division, carefully dig up a mature clump and separate it into smaller sections, ensuring each section has healthy roots and stems. Replant the divisions in separate containers or directly into the ground. For cuttings, take 6-8 inch stem cuttings in spring or summer. Place the cuttings in water, ensuring that the nodes are submerged. Roots should develop within a few weeks. Once roots are established, transplant the cuttings into pots filled with moist soil or directly into the ground near a water source. Keep the soil consistently moist until the plants are well-established.

Morning Glory Tree

What are the light requirements for Morning Glory Tree?

The Morning Glory Tree requires bright, indirect light to thrive indoors. Direct sunlight can scorch the leaves, so it’s best to place it near an east- or west-facing window where it receives filtered light. If you don’t have access to sufficient natural light, consider using a grow light to supplement. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can lead to leggy growth and reduced flowering. A location that provides several hours of bright, indirect light each day is ideal. Observe the plant’s leaves; if they appear pale or stretched, it may need more light.

How do I care for Morning Glory Tree?

The Morning Glory Tree thrives with bright, indirect light; avoid direct sunlight to prevent leaf burn. Water thoroughly when the top inch of soil is dry, allowing excess water to drain. Use a well-draining potting mix to prevent root rot. Maintain a stable temperature between 65-80°F (18-27°C). Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune regularly to maintain shape and encourage branching. Repot every 2-3 years, increasing pot size gradually. Provide adequate humidity, especially during dry winter months. Monitor for pests like spider mites and mealybugs, and treat promptly. Ensure good air circulation to prevent fungal diseases. Avoid overwatering, which is a common cause of problems. The stable conditions are vital for the health of the plant.

How do I propagate Morning Glory Tree?

Morning Glory Tree can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant it in a well-draining potting mix. Keep the soil consistently moist and provide bright, indirect light. Roots should develop in a few weeks. For air layering, make a small cut on a stem, wrap it with moist sphagnum moss, and cover it with plastic wrap. Secure the plastic wrap with tape. Once roots appear through the moss, cut the stem below the roots and plant it in a pot. Both methods require patience and consistent care to be successful. Using a heat mat can accelerate rooting.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.