Clivia vs Green Ash Plant Comparison

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

Clivia

Clivia

Clivia miniata

VS
Green Ash

Green Ash

Fraxinus pennsylvanica

Clivia

Clivia

Clivia miniata

Clivia miniata is a bulbous perennial plant known for its vibrant, trumpet-shaped flowers that bloom in clusters atop sturdy stalks. It features dark green, strap-like leaves that arch gracefully. While it can be grown indoors, it thrives best in bright, indirect light and requires a period of dormancy to encourage flowering. People grow it for its showy flowers, relatively low maintenance, and ability to tolerate neglect better than some other flowering plants. It is primarily an outdoor plant in warmer climates but is commonly grown indoors as a houseplant.

Amaryllidaceae South Africa
✨ Features: Showy flowers, relatively drought-tolerant once established.
📖 Read Complete Clivia Guide
Green Ash

Green Ash

Fraxinus pennsylvanica

Green Ash is a medium to large deciduous tree, typically reaching 50-80 feet in height, but can grow larger. It features a straight trunk and an open, rounded crown. The bark is gray-brown with diamond-shaped ridges. Green Ash is primarily an outdoor tree, valued for its adaptability to various soil conditions and its relatively fast growth rate. It's often planted in parks, along streets, and in large yards for shade and ornamental purposes. Attempting to grow it indoors is extremely challenging due to its size and light requirements.

Oleaceae Eastern and central North America
✨ Features: Provides shade, attracts wildlife, and has good fall color (yellow).
📖 Read Complete Green Ash Guide

Quick Plant Comparison

Feature Clivia Green Ash
Light Bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily.
Watering Every 1-2 weeks, depending on environmental conditions and pot size. Less frequent in winter. Weekly during the first year, then as needed during dry periods.
Humidity 40-60% 30-50%
Temperature 18-24°C 10-30°C
Care Level Moderate Expert
Growth Rate Slow Fast
Max Height 30-60 cm N/A - Not suitable for indoor growing
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and bark. Well-drained soil; adaptable to various soil types including clay, loam, and sand.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 1-2 hours per month (primarily for pruning and monitoring for pests/diseases).

🔬 Botanical Information — Comparing These Plants

Clivia

Scientific Name Clivia miniata
Family Amaryllidaceae
Native To South Africa
Also Known As Natal Lily, Bush Lily, Kaffir Lily
Leaves The leaves of Clivia are dark green, strap-like, and arching. They are smooth and leathery in texture, typically measuring 30-60 cm long and 2.5-5 cm wide. The leaves emerge from a bulbous base and form a fan-like arrangement.
Flowers Clivia can flower indoors with proper care. The flowers are trumpet-shaped and typically orange, but can also be yellow or red. They bloom in clusters atop a sturdy stalk, creating a vibrant display that lasts for several weeks. Flowering typically occurs in spring.

Green Ash

Scientific Name Fraxinus pennsylvanica
Family Oleaceae
Native To Eastern and central North America
Also Known As Green Ash, Red Ash, Swamp Ash, Water Ash
Leaves The leaves are compound, with 5-9 lance-shaped leaflets. Each leaflet is 3-5 inches long and has a finely serrated margin. The leaves are dark green in summer and turn yellow in the fall.
Flowers Green Ash is dioecious, meaning that male and female flowers are borne on separate trees. The flowers are small and inconspicuous, appearing in clusters in the spring before the leaves emerge. Flowering is not a significant ornamental feature.

📏 Size & Growth — Plant Comparison

Clivia

Height 30-60 cm
Spread 30-45 cm
Growth Rate Slow
Growth Pattern Clivia grows upright with arching, strap-like leaves emerging from a bulbous base. It produces a flower stalk that rises above the foliage, bearing a cluster of trumpet-shaped flowers.

Green Ash

Height N/A - Not suitable for indoor growing
Spread N/A - Not suitable for indoor growing
Growth Rate Fast
Growth Pattern Green Ash is a deciduous tree with a straight trunk and an open, rounded crown. It typically grows to a height of 50-80 feet with a spread of 30-50 feet. The branches are opposite and ascending, creating a symmetrical shape.

🌱 Propagation — Comparing Plant Growth

Clivia

Methods: Division, Seed, Offsets (pups)

Difficulty: Moderate

Tips: Divide clumps of mature plants in spring. Allow offsets to develop roots before separating them from the mother plant. Seeds can be sown in spring, but germination can be slow and inconsistent.

Green Ash

Methods: Seeds, cuttings, grafting

Difficulty: Moderate

Tips: Seeds require stratification (cold treatment) for several months before sowing. Cuttings should be taken from semi-hardwood in late spring or early summer. Grafting is used to propagate specific cultivars.

✨ Benefits & Features — Comparing Plant Value

Clivia

Clivia is known for its vibrant, trumpet-shaped flowers that bloom in clusters. It requires a distinct dormant period in winter to encourage flowering, which sets it apart from many other flowering houseplants. The plant's strap-like leaves also add to its unique appeal.

  • ✓ Adds a splash of vibrant color to indoor spaces.
  • ✓ Relatively low-maintenance once established.
  • ✓ Can tolerate some neglect.
  • ✓ Attractive foliage provides visual interest even when not in bloom.
  • ✓ Long-lasting flowers bring joy for several weeks.
  • ⚠️ Toxic to pets

Green Ash

Green Ash is known for its adaptability to various soil conditions, including wet and poorly drained soils. It is also a relatively fast-growing shade tree, making it a popular choice for landscaping. However, it is highly susceptible to the Emerald Ash Borer, which has decimated ash populations across North America.

  • ✓ Provides significant shade during hot weather.
  • ✓ Attracts birds and other wildlife to the garden.
  • ✓ Offers beautiful yellow fall foliage.
  • ✓ Relatively fast growth rate for quick establishment.
  • ✓ Adaptable to various soil types.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Clivia

Repotting Every 2-3 years, or when the plant becomes root-bound. Repot in spring after flowering.
Pruning Remove dead or damaged leaves as needed. Cut back flower stalks after blooming.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer). Do not fertilize during dormancy.
Seasonal Care Spring/Summer: Increase watering and fertilize regularly. Provide bright, indirect light. | Autumn/Winter: Reduce watering and withhold fertilizer. Provide a cool, dry dormant period (around 10-13°C) for 8-12 weeks to encourage flowering.

Green Ash

Repotting N/A - Not suitable for indoor growing
Pruning Prune in late winter or early spring to remove dead, damaged, or crossing branches. Maintain a strong central leader.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring for young trees. Mature trees generally do not require fertilization unless soil is deficient.
Seasonal Care Spring: Fertilize young trees. Summer: Monitor for pests and diseases. Fall: Enjoy fall color. Winter: Dormancy; minimal care needed.

🌞 Light Requirements

Clivia

Bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ✅ Yes

Green Ash

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily.

Low light tolerant: ❌ No

💧 Watering Needs

Clivia

Water thoroughly when the top inch of soil is dry. Reduce watering during the dormant period (winter). Overwatering can lead to root rot. Underwatering will cause the leaves to droop and turn brown at the tips.

Green Ash

Water deeply when the top few inches of soil are dry, especially during establishment. Established trees are relatively drought-tolerant but benefit from occasional watering during prolonged dry periods. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell in the soil. Underwatering results in wilting and leaf drop.

🌡️ Temperature & Humidity

Clivia

Temperature: 18-24°C

Humidity: 40-60%

Green Ash

Temperature: 10-30°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Clivia

Clivia

Clivia miniata
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Someone who wants a flowering houseplant that is relatively low-maintenance and can tolerate some neglect, but is willing to provide a proper dormant period.

✅ Choose This Plant If...

  • You want a plant with vibrant, showy flowers that bloom indoors.
  • You are looking for a plant that is relatively drought-tolerant once established.
  • You can provide a cool, dry dormant period in winter to encourage flowering.
  • You appreciate a plant with attractive, strap-like foliage even when not in bloom.
  • You want a plant that can tolerate some neglect better than other flowering houseplants.

❌ Skip This Plant If...

  • You have pets (dogs, cats, or horses) that may ingest the plant, as it is toxic.
  • You cannot provide a cool, dry dormant period in winter.
  • You tend to overwater your plants.
📍 Ideal Location: East-facing window, or a bright room with indirect light.
🎨 Style: Traditional, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ Toxic to dogs, cats, and horses. Contains lycorine and other alkaloids. Symptoms include vomiting, diarrhea, excessive salivation, and tremors. All parts of the plant are toxic, especially the bulbs.
Green Ash

Green Ash

Fraxinus pennsylvanica
Care: Expert Time: 1-2 hours per month (primarily for pruning and monitoring for pests/diseases). Beginner: No

Landowners with large yards or parks looking for a fast-growing shade tree.

✅ Choose This Plant If...

  • You have a large outdoor space and need a fast-growing shade tree.
  • You want to attract birds and other wildlife to your yard.
  • You appreciate vibrant yellow fall foliage.
  • You need a tree that can tolerate a variety of soil conditions.
  • You want a tree that provides significant shade during the summer months.

❌ Skip This Plant If...

  • You have a small yard or limited space.
  • You are looking for an indoor plant.
  • You live in an area heavily affected by Emerald Ash Borer.
  • You are looking for a low-maintenance tree.
📍 Ideal Location: Outdoor location with full sun and ample space for growth.
🎨 Style: Traditional, Natural
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Green Ash is toxic to horses. Symptoms include incoordination, muscle tremors, and difficulty swallowing. The toxic principle is unknown, but it affects the nervous system.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Clivia is rated Moderate care level, while Green Ash is Expert.

📈

Clivia has slow growth, while Green Ash grows fast.

💡 Pro Tips For Comparing These Plants

Clivia Care Tips

Clivia requires bright, indirect light and well-draining soil. It needs a distinct dormant period in winter with reduced watering to encourage flowering. Overwatering is a common problem. While relatively low-maintenance, consistent care and proper dormancy are crucial for optimal growth and flowering.

  • Provide a cool, dry dormant period in winter to encourage flowering; keep temperatures between 10-13°C for 8-12 weeks.
  • Avoid overwatering, especially during the dormant period, to prevent root rot.
  • Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.
  • Repot only when necessary, as Clivia prefers to be slightly root-bound.
  • Wipe leaves occasionally to remove dust and improve light absorption.
❄️ Winter: Reduce watering significantly and withhold fertilizer. Provide a cool, dry dormant period (around 10-13°C) for 8-12 weeks. Place the plant in a bright location, but avoid direct sunlight.
☀️ Summer: Increase watering as needed, allowing the top inch of soil to dry out between waterings. Fertilize regularly with a balanced liquid fertilizer diluted to half strength. Provide bright, indirect light and protect from intense afternoon sun.

Green Ash Care Tips

Green Ash is an outdoor tree that is extremely difficult to grow indoors due to its size, light requirements, and dormancy needs. It requires full sun, well-drained soil, and regular watering, especially when young. Indoor cultivation is not recommended.

  • Water deeply during the first year to establish a strong root system.
  • Monitor regularly for signs of Emerald Ash Borer and other pests/diseases.
  • Prune in late winter or early spring to maintain a healthy structure.
  • Mulch around the base of the tree to retain moisture and suppress weeds.
  • Protect young trees from deer and other herbivores.
❄️ Winter: Green Ash is dormant in the winter and requires minimal care. Protect young trees from deer and other herbivores by using tree guards or fencing. Avoid pruning during extremely cold weather.
☀️ Summer: Monitor for pests and diseases, such as Emerald Ash Borer and Anthracnose. Water deeply during dry periods. Apply mulch around the base of the tree to retain moisture and suppress weeds.

⚠️ Common Problems & Solutions — Plant Care Comparison

Clivia

Common Issues: Root rot, Mealybugs, Lack of flowering, Leaf spot
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Repot with fresh soil if necessary. | Mealybugs: Wipe off with a cotton swab dipped in rubbing alcohol or use insecticidal soap. | Lack of flowering: Provide a cool, dry dormant period in winter. Ensure adequate light. | Leaf spot: Improve air circulation and treat with a fungicide if necessary.

Green Ash

Common Issues: Emerald Ash Borer infestation, Ash Yellows disease, Anthracnose
Solutions: Emerald Ash Borer: Insecticide treatments or tree removal. Ash Yellows: No cure; manage symptoms with proper care. Anthracnose: Fungicide treatments and removal of infected leaves.

❓ Frequently Asked Questions — Comparing These Plants

Clivia

What are the light requirements for Clivia?

Clivia thrives in bright, indirect light. Direct sunlight can scorch the leaves, causing damage. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but the plant may not bloom as prolifically. If placing the plant in a south- or west-facing window, use sheer curtains to filter the light. Insufficient light can result in poor blooming or elongated, weak growth. Rotating the plant regularly ensures even light exposure and prevents it from leaning towards the light source. Observe the plant for signs of light stress, such as pale leaves or sunburn.

How do I care for Clivia?

Clivia requires bright, indirect light and should be protected from direct sunlight. Water thoroughly when the top inch of soil is dry, allowing excess water to drain away. Avoid overwatering, as this can lead to root rot. Maintain moderate humidity levels. Fertilize during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength, every 2-4 weeks. Provide a cool, dry rest period in the winter to encourage blooming. Repot only when the plant is root-bound, using a well-draining potting mix. Remove spent flower stalks to encourage further blooming. Wipe the leaves occasionally to remove dust.

How do I propagate Clivia?

Clivia can be propagated by division or offsets. Division involves separating the plant into multiple sections, each with its own roots and leaves. Offsets are small plantlets that grow at the base of the mother plant. To propagate by division, carefully remove the plant from its pot and gently separate the roots. To propagate by offsets, wait until the offset has several leaves and roots, then carefully detach it from the mother plant. Plant the divisions or offsets in well-draining potting mix and water thoroughly. Keep the soil moist but not soggy until the new plants are established. Propagation by seed is also possible, but it is a slow process.

Green Ash

What are the light requirements for Green Ash?

Green Ash thrives in bright, indirect light indoors. Direct sunlight can scorch its delicate leaves, so avoid placing it in a south-facing window without shading. An east- or west-facing window is ideal, providing ample light without the harshness of direct sun. If you notice the leaves becoming pale or leggy, it may indicate insufficient light. In such cases, consider supplementing with a grow light, especially during winter months. Rotate the plant regularly to ensure even light exposure and prevent it from leaning towards the light source. Observe the plant’s growth and adjust its placement as needed to optimize light conditions.

How do I care for Green Ash?

To successfully cultivate Green Ash indoors, provide bright, indirect light; avoid direct sunlight to prevent leaf scorch. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels, especially during dry winter months, by misting regularly or using a humidifier. Use a well-draining potting mix and repot every 2-3 years, or when the plant becomes root-bound, into a slightly larger container. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain shape and remove any dead or damaged branches. Monitor for pests such as spider mites or aphids and treat promptly with insecticidal soap or neem oil. Ensure stable temperatures between 65-75°F (18-24°C) and avoid placing near drafts or heat sources.

How do I propagate Green Ash?

Green Ash can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from a healthy stem in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to maintain humidity. Roots should develop in 4-6 weeks. For air layering, make a small incision on a healthy stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Roots should develop in several weeks. Once roots are visible, cut the stem below the rooted area and plant it in a pot. Ensure the cutting is from a healthy, vigorous part of the parent plant. Maintain stable conditions for best results.

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