Cornflower vs Devil's Ivy Plant Comparison

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

Cornflower

Cornflower

Centaurea cyanus

VS
Devil's Ivy

Devil's Ivy

Epipremnum aureum

Cornflower

Cornflower

Centaurea cyanus

Cornflower (Centaurea cyanus) is an annual plant typically grown outdoors for its vibrant blue flowers, though pink, white, and purple varieties exist. It reaches a height of 1 to 3 feet. Its slender, grey-green leaves provide a backdrop for the showy, thistle-like flower heads. While it can be grown indoors, it requires very bright light and is challenging to maintain as a healthy, flowering plant indoors due to its need for full sun and cool temperatures. It is often grown in cottage gardens and wildflower meadows.

Asteraceae Europe, though its exact origin is debated as it has naturalized widely.
✨ Features: Attracts pollinators, edible flowers (though may cause allergic reactions in some individuals), used in herbal teas.
📖 Read Complete Cornflower Guide
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

Quick Plant Comparison

Feature Cornflower Devil's Ivy
Light Full sun (at least 6 hours of direct sunlight per day) Bright, indirect light is ideal. Can tolerate lower light conditions, but variegation may fade.
Watering Outdoors: Every 1-2 weeks, depending on rainfall. Indoors: Every 7-10 days, allowing the soil to dry slightly between waterings. Every 1-2 weeks, depending on environmental conditions.
Humidity 30-50% 40-70%
Temperature 15-24°C 18-27°C
Care Level Expert Easy
Growth Rate Fast Fast
Max Height Indoors: 0.3-0.6 meters (1-2 feet). Outdoors: 0.3-0.9 meters (1-3 feet) Indoors, typically 0.6-3 meters (2-10 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a sandy loam. Prefers slightly alkaline soil. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly With Caution ✅ Yes
Weekly Maintenance 5-10 minutes weekly (deadheading, watering) 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

Cornflower

Scientific Name Centaurea cyanus
Family Asteraceae
Native To Europe, though its exact origin is debated as it has naturalized widely.
Also Known As Cornflower, Bachelor's Button, Bluebottle, Hurtsickle
Leaves The leaves are slender, lance-shaped, and grey-green in color. They are typically 2-4 inches long and have a slightly hairy texture.
Flowers Cornflowers produce showy, thistle-like flower heads that are typically blue, but can also be pink, white, or purple. They bloom from late spring to early summer. Flowering indoors is rare without supplemental lighting.

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.

📏 Size & Growth — Plant Comparison

Cornflower

Height Indoors: 0.3-0.6 meters (1-2 feet). Outdoors: 0.3-0.9 meters (1-3 feet)
Spread Indoors: 0.2-0.3 meters (0.6-1 foot). Outdoors: 0.2-0.45 meters (0.6-1.5 feet)
Growth Rate Fast
Growth Pattern Cornflowers have an upright growth habit, typically reaching 1 to 3 feet tall. They are annuals, meaning they complete their life cycle in one growing season.

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.

🌱 Propagation — Comparing Plant Growth

Cornflower

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the garden in early spring or fall. Indoors, start seeds 6-8 weeks before the last frost. Provide light and consistent moisture for germination.

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.

✨ Benefits & Features — Comparing Plant Value

Cornflower

The intense blue color of the flowers is relatively rare in the plant kingdom. They are also known for attracting beneficial insects to the garden. The flowers are edible and have a slightly sweet, clove-like flavor.

  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Adds vibrant color to the garden.
  • ✓ Edible flowers can be used in salads and teas (with caution).
  • ✓ Relatively low-maintenance once established.
  • ✓ Can be used as a cut flower.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Cornflower

Repotting Not applicable as it's typically grown as an annual. If grown indoors, repot only if rootbound, using a slightly larger pot.
Pruning Deadhead spent flowers regularly to encourage continued blooming. Pinch back stems to promote bushier growth.
Fertilizing A balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season.
Seasonal Care Spring: Sow seeds. Summer: Deadhead spent flowers to encourage more blooms. Fall: Collect seeds for next year. Winter: Annual, so plant dies back.

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.

🌞 Light Requirements

Cornflower

Full sun (at least 6 hours of direct sunlight per day)

Low light tolerant: ❌ No

Devil's Ivy

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

Low light tolerant: ✅ Yes

💧 Watering Needs

Cornflower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Indoors, ensure good drainage. Outdoors, established plants are somewhat drought-tolerant.

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.

🌡️ Temperature & Humidity

Cornflower

Temperature: 15-24°C

Humidity: 30-50%

Devil's Ivy

Temperature: 18-27°C

Humidity: 40-70%

🤔 Which Plant Is Right For You?

Cornflower

Cornflower

Centaurea cyanus
Care: Expert Time: 5-10 minutes weekly (deadheading, watering) Beginner: With-caution

Gardeners who want a low-maintenance, colorful addition to their flower beds or wildflower meadows.

✅ Choose This Plant If...

  • You want a vibrant blue flower in your garden.
  • You want to attract pollinators to your yard.
  • You want an easy-to-grow annual flower.
  • You want to add edible flowers to salads (with caution due to potential allergic reactions).
  • You want to create a cottage garden or wildflower meadow.

❌ Skip This Plant If...

  • You don't have a sunny location.
  • You have pets that might ingest the plant.
  • You want a low-maintenance indoor plant.
📍 Ideal Location: Outdoors: Sunny garden bed or wildflower meadow. Indoors: South-facing window with supplemental lighting.
🎨 Style: Cottagecore, Bohemian, Traditional, Wildflower
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Centaurea species contain sesquiterpene lactones which can cause gastrointestinal upset if ingested by dogs, cats, or horses. Symptoms include vomiting, diarrhea, and anorexia. All parts of the plant are considered toxic.
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.

🎯 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

🎯

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

💡 Pro Tips For Comparing These Plants

Cornflower Care Tips

Cornflowers are easy to grow outdoors in full sun and well-draining soil. Indoor cultivation is challenging due to the plant's high light requirements and need for cool temperatures. Supplemental lighting is almost essential for indoor flowering.

  • Provide full sun for optimal flowering.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Avoid overwatering to prevent root rot.
  • If growing indoors, supplement with grow lights.
  • Sow seeds directly in the garden for best results.
❄️ Winter: Cornflowers are annuals, so they will die back in the winter. Collect seeds for planting the following spring.
☀️ Summer: Deadhead spent flowers regularly to encourage continued blooming. Water during dry spells. Provide support if the plants become leggy.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Cornflower

Common Issues: Powdery mildew, aphids, root rot, leggy growth (indoors)
Solutions: Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering. Leggy growth: Provide more light and pinch back stems.

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.

❓ Frequently Asked Questions — Comparing These Plants

Cornflower

What are the light requirements for Cornflower?

Cornflowers require at least six hours of direct sunlight per day to thrive and produce abundant blooms. When grown indoors, place them near a south-facing window where they can receive ample sunlight. If natural light is insufficient, supplement with grow lights. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing cornflowers in areas with heavy shade, as this will hinder their growth and flowering potential. Strong, direct morning sunlight is ideal, followed by slightly filtered light in the afternoon.

How do I care for Cornflower?

Cornflowers thrive in full sun and well-drained soil. Water regularly, especially during dry periods, but avoid overwatering to prevent root rot. Fertilize monthly with a balanced fertilizer during the growing season to promote abundant blooms. Deadhead spent flowers to encourage continuous blooming. Cornflowers are relatively low-maintenance and can tolerate a range of conditions, but they prefer cooler temperatures. Protect them from strong winds, which can damage their delicate stems. In warmer climates, provide some afternoon shade to prevent scorching. Monitor for pests like aphids and treat promptly if necessary. With proper care, cornflowers will reward you with a long season of beautiful blooms.

How do I propagate Cornflower?

Cornflowers are primarily propagated by seed. Direct sow seeds in the garden in early spring or fall. Sow seeds thinly and cover lightly with soil. Keep the soil moist until germination. Alternatively, start seeds indoors and transplant seedlings outdoors after the last frost. Cornflowers can also self-sow if allowed to go to seed. While division and cuttings are possible, they are less common methods for cornflowers. Collect seeds from dried flower heads for future planting. Ensure seeds are stored in a cool, dry place.

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.

Last updated: April 29, 2026 — Plant care data reviewed and verified by our editorial team.