Devil's Ivy vs Onion Plant Comparison

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

Devil's Ivy

Devil's Ivy

Epipremnum aureum

VS
Onion

Onion

Allium cepa

Devil's Ivy

Devil's Ivy

Epipremnum aureum

Epipremnum aureum, commonly known as Devil's Ivy or Golden Pothos, is a popular evergreen vine prized for its ease of care and attractive foliage. Native to Moorea, it's widely cultivated as an ornamental plant. Its leaves are heart-shaped and glossy, often variegated with shades of yellow or white. Devil's Ivy is a climbing plant in its natural habitat, but indoors it is typically grown in hanging baskets or trained to climb on supports. People grow it for its air-purifying qualities and aesthetic appeal, adding a touch of greenery to homes and offices.

Araceae Moorea, French Polynesia
✨ Features: Air purifying qualities, attractive foliage, easy to propagate.
📖 Read Complete Devil's Ivy Guide
Onion

Onion

Allium cepa

The onion (Allium cepa) is a biennial plant, typically grown as an annual, cultivated for its edible bulb. It features hollow, bluish-green leaves and a bulb that develops at the base of the plant. Onions are primarily grown outdoors in gardens or fields. While it's possible to sprout an onion indoors, it's not typically grown to full maturity as a houseplant due to its strong odor and specific environmental needs. People grow onions for culinary purposes, adding flavor to a wide variety of dishes.

Amaryllidaceae Central Asia
✨ Features: Edible bulb, pungent flavor, source of vitamins and minerals.
📖 Read Complete Onion Guide

Quick Plant Comparison

Feature Devil's Ivy Onion
Light Bright, indirect light is ideal. Can tolerate lower light conditions, but variegation may fade. Full sun (6-8 hours of direct sunlight daily)
Watering Every 1-2 weeks, depending on environmental conditions. Every 5-7 days, depending on weather and soil drainage
Humidity 40-70% 40-60%
Temperature 18-27°C 13-24°C
Care Level Easy Expert
Growth Rate Fast Moderate
Max Height Indoors, typically 0.6-3 meters (2-10 feet) Outdoors: 30-60 cm. Indoors (sprouted): Up to 30cm
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining, fertile soil rich in organic matter
Beginner Friendly ✅ Yes With Caution
Weekly Maintenance 5 minutes weekly 30 minutes weekly (weeding, watering, pest control)

🔬 Botanical Information — Comparing These Plants

Devil's Ivy

Scientific Name Epipremnum aureum
Family Araceae
Native To Moorea, French Polynesia
Also Known As Devil's Ivy, Golden Pothos, Pothos, Hunter's Robe, Ivy Arum, Money Plant
Leaves Heart-shaped leaves, typically 5-10 cm (2-4 inches) long. Glossy texture with variegation in shades of yellow, white, or light green. The amount of variegation can vary depending on light exposure.
Flowers Rarely flowers indoors. In its natural habitat, it can produce small, inconspicuous flowers on a spadix, but this is extremely uncommon in indoor cultivation.

Onion

Scientific Name Allium cepa
Family Amaryllidaceae
Native To Central Asia
Also Known As Onion, Bulb Onion, Common Onion
Leaves The leaves are hollow, cylindrical, and bluish-green, growing directly from the bulb. They are typically 30-50 cm long and taper to a point.
Flowers Onions produce a spherical umbel of small, white or purple flowers on a tall stalk. Flowering is more common in the second year of growth. Flowering rarely occurs indoors.

📏 Size & Growth — Plant Comparison

Devil's Ivy

Height Indoors, typically 0.6-3 meters (2-10 feet)
Spread Indoors, can spread several feet, depending on training and support.
Growth Rate Fast
Growth Pattern Trailing or climbing vine. It can grow long, cascading stems that can be trained to climb or allowed to trail from hanging baskets or shelves.

Onion

Height Outdoors: 30-60 cm. Indoors (sprouted): Up to 30cm
Spread Outdoors: 10-15 cm. Indoors (sprouted): 5-10cm
Growth Rate Moderate
Growth Pattern Onions grow upright with hollow, cylindrical leaves emerging from the bulb. The bulb develops underground, gradually increasing in size as the plant matures.

🌱 Propagation — Comparing Plant Growth

Devil's Ivy

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings with at least one node. Place the cutting in water or directly into moist potting mix. Roots will typically develop within a few weeks.

Onion

Methods: Seed, Bulb division

Difficulty: Easy

Tips: Start seeds indoors 8-10 weeks before the last frost or plant sets (small bulbs) directly in the garden after the last frost. For bulb division, separate small bulbs from a larger cluster and plant them individually.

✨ Benefits & Features — Comparing Plant Value

Devil's Ivy

Devil's Ivy is known for its resilience and ability to thrive in a wide range of conditions. Its variegated leaves add visual interest, and it's an effective air purifier. It can adapt to different light levels, making it a versatile houseplant.

  • ✓ Air purification, removing toxins like formaldehyde and xylene.
  • ✓ Easy to care for, requiring minimal maintenance.
  • ✓ Visually appealing, adding a touch of greenery to any space.
  • ✓ Versatile, can be grown in various ways and locations.
  • ✓ Boosts mood and reduces stress, creating a more relaxing environment.
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

Onion

The onion is a bulbous plant with a distinctive pungent odor and flavor. Its layers of fleshy scales form the edible bulb, which is used in a wide variety of culinary applications.

  • ✓ Provides fresh, flavorful onions for cooking.
  • ✓ Rich in vitamins and minerals.
  • ✓ Can deter pests in the garden.
  • ✓ Offers a rewarding gardening experience.
  • ✓ Supports sustainable food practices.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Devil's Ivy

Repotting Repot every 1-2 years, or when the plant becomes root-bound. Choose a pot that is slightly larger than the previous one.
Pruning Prune to control size and shape. Pinch back stem tips to encourage bushier growth.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering frequency in winter when growth slows. Provide adequate light during shorter days.

Onion

Repotting Not applicable as it's typically grown in the ground. If sprouted in a container, repotting is not necessary.
Pruning Remove any yellowing or damaged leaves. Cut off flower stalks to encourage bulb development.
Fertilizing Balanced fertilizer (10-10-10) applied every 4-6 weeks during the growing season at half strength
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, harvest the bulbs when the tops begin to fall over. In winter, store harvested bulbs in a cool, dry place.

🌞 Light Requirements

Devil's Ivy

Bright, indirect light is ideal. Can tolerate lower light conditions, but variegation may fade.

Low light tolerant: ✅ Yes

Onion

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

Low light tolerant: ❌ No

💧 Watering Needs

Devil's Ivy

Water thoroughly when the top inch of soil is dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in wilting and dry, crispy leaf edges.

Onion

Water deeply when the top inch of soil is dry. Avoid overwatering, which can lead to bulb rot. Signs of overwatering include yellowing leaves and a soft, mushy bulb. Underwatering is indicated by wilting leaves and stunted growth.

🌡️ Temperature & Humidity

Devil's Ivy

Temperature: 18-27°C

Humidity: 40-70%

Onion

Temperature: 13-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Devil's Ivy

Devil's Ivy

Epipremnum aureum
Care: Easy Time: 5 minutes weekly Beginner: Yes

Beginners looking for a low-maintenance, visually appealing houseplant.

✅ Choose This Plant If...

  • You want a plant that is easy to care for and can tolerate neglect.
  • You want a plant that can help purify the air in your home.
  • You want a plant that can be grown in a variety of ways, such as in a hanging basket or trained to climb.
  • You want a plant that is relatively inexpensive and readily available.
  • You want a plant that adds a touch of greenery to your home without requiring a lot of maintenance.

❌ Skip This Plant If...

  • You have pets that may chew on plants, as it is toxic to them.
  • You are looking for a plant that requires very little light, as it needs some light to thrive.
  • You are looking for a plant that stays small, as it can grow quite long.
📍 Ideal Location: Hanging basket near a window, shelf in a bright room, or trained to climb a trellis.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ Toxic to dogs, cats, and horses. Contains insoluble calcium oxalates. Chewing or biting into this plant can cause oral irritation, excessive drooling, vomiting, and difficulty swallowing.
Onion

Onion

Allium cepa
Care: Expert Time: 30 minutes weekly (weeding, watering, pest control) Beginner: With-caution

Gardeners looking to grow their own culinary onions.

✅ Choose This Plant If...

  • You want to grow your own fresh onions for cooking.
  • You have a sunny outdoor garden space.
  • You enjoy the process of nurturing plants from seed to harvest.
  • You want to control the quality and source of your food.
  • You are looking for a companion plant to deter pests in your vegetable garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a sunny outdoor space.
  • You are sensitive to strong odors.
📍 Ideal Location: Outdoor garden or raised bed with full sun exposure.
🎨 Style: Rustic, Cottage Garden, Farmhouse
🏠 Apartment Friendly: No
⚠️ All parts of the onion plant are toxic to dogs, cats, and horses. The toxic principle is N-propyl disulfide, which can cause hemolytic anemia. Symptoms include vomiting, diarrhea, weakness, and pale gums.

🎯 Quick Verdict

Best for Beginners Devil's Ivy
Pet Friendly Neither - caution
Less Maintenance Devil's Ivy
Apartment Friendly Devil's Ivy

⚡ Key Differences Between These Plants

🎯

Devil's Ivy is rated Easy care level, while Onion is Expert.

📈

Devil's Ivy has fast growth, while Onion grows moderate.

💡 Pro Tips For Comparing These Plants

Devil's Ivy Care Tips

Devil's Ivy is a low-maintenance plant that thrives in a variety of conditions. It is relatively tolerant of neglect, making it a good choice for beginners. However, it is toxic to pets and should be kept out of their reach.

  • Allow the top inch of soil to dry out completely before watering to prevent root rot.
  • Provide bright, indirect light for optimal growth and variegation.
  • Fertilize regularly during the growing season (spring and summer) with a balanced liquid fertilizer.
  • Prune regularly to control size and shape, and to encourage bushier growth.
  • Wipe leaves occasionally with a damp cloth to remove dust and improve air purification.
❄️ Winter: Reduce watering frequency as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Maintain adequate humidity levels, as indoor heating can dry out the air.
☀️ Summer: Water more frequently during the growing season. Protect the plant from direct sunlight, which can scorch the leaves. Increase humidity by misting the leaves or placing the pot on a tray of pebbles and water.

Onion Care Tips

Onions are primarily outdoor plants requiring full sun and well-drained soil. Growing them indoors is challenging due to their need for intense sunlight and the potential for strong odors. While sprouting an onion indoors is possible, achieving a mature bulb is difficult.

  • Plant in well-drained soil amended with compost.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Protect from pests and diseases with appropriate measures.
  • Harvest when the tops begin to fall over and the bulbs are mature.
❄️ Winter: Store harvested onion bulbs in a cool, dry, and well-ventilated place. Ensure they are dry before storing to prevent rot.
☀️ Summer: Provide consistent watering and fertilization during the active growing season. Monitor for pests and diseases and take appropriate action.

⚠️ Common Problems & Solutions — Plant Care Comparison

Devil's Ivy

Common Issues: Root rot, mealybugs, spider mites, leaf discoloration
Solutions: Root rot: Improve drainage and reduce watering frequency. Mealybugs/Spider mites: Treat with insecticidal soap or neem oil. Leaf discoloration: Adjust light levels or fertilizer.

Onion

Common Issues: Bulb rot, Onion maggots, Thrips, Downy mildew
Solutions: Bulb rot: Ensure well-draining soil and avoid overwatering. Onion maggots: Use row covers or apply beneficial nematodes. Thrips: Insecticidal soap or neem oil. Downy mildew: Improve air circulation and apply a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Devil's Ivy

What are the light requirements for Devil's Ivy?

Devil’s Ivy thrives in bright, indirect light. Placing it near an east-facing window is often ideal, as it receives gentle morning sun. Avoid direct sunlight, especially during the hottest part of the day, as it can cause the leaves to burn. If the leaves start to lose their variegation, it may indicate that the plant is not receiving enough light. Rotate the plant regularly to ensure even growth. Devil’s Ivy can tolerate low light conditions, but its growth will be slower and the variegation may be less pronounced. Artificial grow lights can supplement natural light, especially during the darker months.

How do I care for Devil's Ivy?

Devil’s Ivy is a relatively easy plant to care for. Place it in bright, indirect light to maintain its vibrant variegation; avoid direct sunlight, which can scorch the leaves. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain away. Overwatering can lead to root rot, so ensure the pot has good drainage. Maintain humidity levels of 50-70% by misting regularly or using a humidifier, especially in dry climates. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years in spring, using a well-draining potting mix. Prune regularly to maintain shape and encourage bushier growth. Keep temperatures between 65-85°F (18-29°C).

How do I propagate Devil's Ivy?

Devil’s Ivy is easily propagated through stem cuttings. Cut a 4-6 inch section of stem with at least one node. Remove the lower leaves and place the cutting in water. Roots will typically develop within a few weeks. Once the roots are an inch or two long, plant the cutting in well-draining potting mix. For division, carefully separate the root ball of a mature plant into smaller sections, ensuring each section has healthy roots and foliage. Plant each section in its own pot. Air layering involves wrapping a stem node with moist sphagnum moss and covering it with plastic wrap until roots develop, then cutting the stem below the roots and planting.

Onion

What are the light requirements for Onion?

Flowering onions require ample sunlight to thrive and produce abundant blooms. Aim for at least 6-8 hours of direct sunlight per day. Inadequate light can lead to leggy growth, weak stems, and reduced flowering. If growing indoors, place your onion plant near a south-facing window where it can receive maximum sunlight exposure. If natural light is insufficient, supplement with grow lights. Rotate the plant regularly to ensure even light distribution and prevent it from leaning towards the light source. Monitor the foliage for signs of sunburn, which can occur if the plant is exposed to intense afternoon sun. Adjust the placement or provide shade if necessary.

How do I care for Onion?

Flowering onions thrive with proper care. Plant bulbs in well-draining soil in a sunny location. Water thoroughly after planting and then moderately, allowing the soil to dry slightly between waterings. Fertilize sparingly with a balanced fertilizer during the growing season, and increase phosphorus before blooming. Deadhead spent flowers to encourage continued blooming. Provide support for taller varieties to prevent drooping. In colder climates, protect bulbs with a layer of mulch during winter. Monitor for pests and diseases, and address promptly. Ensure good air circulation to prevent fungal issues. Repot container-grown onions every few years to refresh the soil. Regular check-ups will keep your onion plant healthy and flourishing.

How do I propagate Onion?

Flowering onions can be propagated through several methods. Division is the most common and easiest. When the plant is dormant, carefully dig up the clump and separate the bulbs. Replant the individual bulbs in well-draining soil. Stem cuttings are not typically used for onion propagation. Keiki (small plantlets that form on the flower stalk) are rare in onions. For bulb offsets, detach them carefully from the mother bulb and plant them separately. Water regularly and provide adequate sunlight. Propagation is best done in the fall or early spring. Ensure the new plants have adequate space to develop their root systems. With proper care, the propagated onions will develop into mature, flowering plants within a year or two.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.