Arum vs Crimson Clover Plant Comparison

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

Arum

Arum

Arum italicum

VS
Crimson Clover

Crimson Clover

Trifolium incarnatum

Arum

Arum

Arum italicum

Arum italicum is a tuberous herbaceous perennial known for its striking foliage and distinctive spadix and spathe flower structure. It emerges in the fall with arrow-shaped leaves, often beautifully veined in white or cream. The plant goes dormant in the summer. It is primarily an outdoor plant, thriving in woodland conditions. While it can be grown indoors, it requires very specific conditions to mimic its natural habitat. People grow it for its attractive foliage and unique flower structure.

Araceae Mediterranean region, from Portugal and Morocco to Turkey and Crimea
✨ Features: Attractive foliage with distinctive veining, unique flower structure.
📖 Read Complete Arum Guide
Crimson Clover

Crimson Clover

Trifolium incarnatum

Crimson Clover is an annual legume typically grown as a cover crop, forage crop, or for ornamental purposes. It features vibrant crimson-red, elongated flower heads that bloom in the spring and early summer. The plant has trifoliate leaves, characteristic of clovers. It is primarily an outdoor plant, thriving in fields and meadows. People grow it for its ability to fix nitrogen in the soil, improve soil structure, attract pollinators, and add a splash of color to landscapes.

Fabaceae Native to Europe
✨ Features: Nitrogen fixation, attracts pollinators
📖 Read Complete Crimson Clover Guide

Quick Plant Comparison

Feature Arum Crimson Clover
Light Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally a north-facing window or under grow lights. Full sun to partial shade
Watering Every 10-14 days during growing season, much less frequently during dormancy. Every 2-3 days during establishment, then every 5-7 days depending on weather and soil moisture
Humidity 40-60% 40-60%
Temperature 10-21°C 15-24°C
Care Level Expert Expert
Growth Rate Moderate Fast
Max Height Indoors: 30-60 cm 0.3-0.6 meters (outdoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, humus-rich soil. A mix of potting soil, peat moss, and perlite is suitable. Well-drained soil, adaptable to various soil types but prefers slightly acidic to neutral pH
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly during growing season, 5 minutes during dormancy. 5-10 minutes weekly (primarily for watering and occasional weeding)

🔬 Botanical Information — Comparing These Plants

Arum

Scientific Name Arum italicum
Family Araceae
Native To Mediterranean region, from Portugal and Morocco to Turkey and Crimea
Also Known As Italian Arum, Italian Lords-and-Ladies, Painted Arum
Leaves The leaves are arrow-shaped, typically 20-30 cm long, and often feature prominent white or cream-colored veins. The texture is smooth and slightly waxy.
Flowers Arum italicum produces a spadix and spathe flower structure. The spathe is a creamy-white or greenish-white hood-like structure that surrounds the spadix, a fleshy spike covered in tiny flowers. It rarely flowers indoors.

Crimson Clover

Scientific Name Trifolium incarnatum
Family Fabaceae
Native To Native to Europe
Also Known As Crimson Clover, Italian Clover, Carnation Clover
Leaves Trifoliate leaves, typical of clovers, with rounded leaflets and a smooth texture. The leaves are generally green, sometimes with a slight reddish tint.
Flowers Does not typically flower indoors. Outdoors, it produces elongated, cone-shaped flower heads composed of numerous small, crimson-red flowers. The flowers bloom in spring and early summer.

📏 Size & Growth — Plant Comparison

Arum

Height Indoors: 30-60 cm
Spread 30-45 cm, spreads via tubers
Growth Rate Moderate
Growth Pattern Arum italicum grows from a tuber, producing arrow-shaped leaves in the fall. It flowers in the spring, followed by the development of bright red berries in the fall. The plant goes dormant in the summer.

Crimson Clover

Height 0.3-0.6 meters (outdoors)
Spread 0.3-0.6 meters
Growth Rate Fast
Growth Pattern Upright, branching growth habit, forming a dense ground cover.

🌱 Propagation — Comparing Plant Growth

Arum

Methods: Division of tubers, Seed

Difficulty: Moderate

Tips: Divide tubers in late summer or early fall. Sow seeds in the fall after the berries have ripened. Ensure good drainage when planting.

Crimson Clover

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly into the soil in early spring or fall. Ensure good soil contact and keep the soil moist until germination.

✨ Benefits & Features — Comparing Plant Value

Arum

Arum italicum is unique for its winter foliage, which appears after most plants have lost their leaves. Its distinctive spadix and spathe flower structure also set it apart from other plants.

  • ✓ Unique and striking appearance.
  • ✓ Adds visual interest to shady areas.
  • ✓ Can be a conversation starter.
  • ✓ Provides a touch of the Mediterranean landscape.
  • ✓ Offers a seasonal display of foliage and berries.
  • ⚠️ Toxic to pets

Crimson Clover

Crimson Clover is unique for its vibrant crimson-red flower heads and its ability to fix nitrogen in the soil, making it a valuable cover crop. Its rapid growth and attractive flowers make it a popular choice for both agricultural and ornamental purposes.

  • ✓ Improves soil fertility through nitrogen fixation.
  • ✓ Attracts beneficial pollinators like bees.
  • ✓ Provides a beautiful ground cover with vibrant red flowers.
  • ✓ Suppresses weed growth when used as a cover crop.
  • ✓ Enhances soil structure and prevents erosion.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Arum

Repotting Repot every 2-3 years in late summer or early fall when the plant is dormant.
Pruning Remove spent flower stalks and yellowing leaves.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season.
Seasonal Care Fall: Active growth begins, increase watering and fertilizing. Winter: Continue watering as needed. Spring: Flowering occurs. Summer: Dormancy, reduce watering significantly.

Crimson Clover

Repotting Not applicable as it's an annual plant. If grown in a container, it will need to be re-sown each year.
Pruning Not typically needed, but can be trimmed to maintain desired height.
Fertilizing Generally not needed when grown as a cover crop. If desired, use a balanced fertilizer (10-10-10) at half strength during active growth.
Seasonal Care In spring and summer, ensure adequate moisture and sunlight. In fall, sow seeds for a winter cover crop. In winter, the plant may go dormant in colder climates.

🌞 Light Requirements

Arum

Partial to full shade outdoors. Indoors, requires very bright, indirect light, ideally a north-facing window or under grow lights.

Low light tolerant: ❌ No

Crimson Clover

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Arum

Water thoroughly when the top inch of soil is dry during the growing season (fall to spring). Reduce watering significantly during dormancy (summer). Overwatering can lead to tuber rot. Underwatering will cause the leaves to wilt and brown.

Crimson Clover

Water regularly to keep the soil consistently moist, especially during germination and establishment. Avoid overwatering, which can lead to root rot. Allow the top inch of soil to dry out slightly between waterings once established. Signs of underwatering include wilting and dry, brittle leaves. Overwatering can cause yellowing leaves and a musty smell.

🌡️ Temperature & Humidity

Arum

Temperature: 10-21°C

Humidity: 40-60%

Crimson Clover

Temperature: 15-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Arum

Arum

Arum italicum
Care: Expert Time: 15 minutes weekly during growing season, 5 minutes during dormancy. Beginner: No

Experienced gardeners who want a unique plant and can provide the specific conditions it needs.

✅ Choose This Plant If...

  • You appreciate unique foliage and a striking plant structure.
  • You can provide a cool, dormant period in the summer.
  • You are an experienced gardener comfortable with challenging plants.
  • You have a shady spot in your garden or can mimic those conditions indoors.
  • You are prepared to handle a toxic plant and keep it away from pets and children.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are a beginner gardener.
  • You cannot provide a cool, dormant period.
  • You don't have a bright, indirect light source.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bright, indirect light near a north-facing window. A cool basement or garage during dormancy.
🎨 Style: Woodland, Cottagecore, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant, especially the berries and tubers, contain calcium oxalate crystals. These can cause oral irritation, excessive drooling, vomiting, and difficulty swallowing in dogs, cats, and horses. Contact with sap can cause skin irritation.
Crimson Clover

Crimson Clover

Trifolium incarnatum
Care: Expert Time: 5-10 minutes weekly (primarily for watering and occasional weeding) Beginner: No

Gardeners looking to improve soil health, attract pollinators, and add a vibrant splash of color to their landscapes.

✅ Choose This Plant If...

  • You want to improve soil health naturally.
  • You need a cover crop to prevent erosion.
  • You want to attract pollinators to your garden.
  • You desire a vibrant red ground cover in spring.
  • You need a nitrogen-fixing plant for your garden.

❌ Skip This Plant If...

  • You are looking for an indoor plant.
  • You have pets that may ingest it.
  • You have limited sunlight in your garden.
📍 Ideal Location: Outdoor garden, field, or meadow with full sun exposure.
🎨 Style: Cottagecore, Rustic, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, clover species contain cyanogenic glycosides which can be converted to cyanide when ingested. Symptoms include drooling, incoordination, diarrhea, vomiting, and excessive salivation. Affects dogs, cats, and horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Arum has moderate growth, while Crimson Clover grows fast.

💡 Pro Tips For Comparing These Plants

Arum Care Tips

Arum italicum is primarily an outdoor plant and requires expert care to thrive indoors. It needs specific light, temperature, and dormancy conditions. It is toxic to pets. Indoor cultivation is challenging due to its seasonal growth cycle and need for a cool, dormant period.

  • Provide a cool, dry dormant period in the summer by reducing watering significantly and keeping the plant in a cooler location.
  • Ensure excellent drainage to prevent tuber rot.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Monitor for pests like aphids and spider mites and treat promptly.
  • Wear gloves when handling the plant to avoid skin irritation from the sap.
❄️ Winter: Continue watering as needed, but avoid overwatering. Ensure the plant receives adequate light. Protect from frost if grown outdoors.
☀️ Summer: Reduce watering significantly during dormancy. Keep the plant in a cool, dry location. Avoid direct sunlight.

Crimson Clover Care Tips

Crimson Clover is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and need for open space. It requires full sun and well-drained soil. Indoor cultivation is not recommended.

  • Sow seeds in early spring or fall for best results.
  • Ensure good soil contact when sowing seeds.
  • Water regularly during establishment.
  • Avoid overwatering to prevent root rot.
  • Consider using as a green manure by tilling into the soil after flowering.
❄️ Winter: In colder climates, Crimson Clover may go dormant or die back in winter. A layer of mulch can help protect the roots. If used as a winter cover crop, it will help prevent soil erosion.
☀️ Summer: Ensure adequate moisture during hot summer months. Monitor for pests and diseases. Consider mowing after flowering to encourage regrowth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Arum

Common Issues: Tuber rot, Leaf spot, Aphids, Spider mites
Solutions: Tuber rot: Ensure well-draining soil and avoid overwatering. Leaf spot: Improve air circulation and treat with a fungicide. Aphids/Spider mites: Treat with insecticidal soap or neem oil.

Crimson Clover

Common Issues: Root rot, leaf spot, aphid infestations
Solutions: Ensure well-drained soil and avoid overwatering to prevent root rot. Treat leaf spot with a fungicide. Control aphids with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Arum

What are the light requirements for Arum?

Arum plants thrive best in bright, indirect light. Direct sunlight can scorch the leaves, so avoid placing them in areas with intense midday sun. An east-facing window is often ideal, providing gentle morning light. If you only have south or west-facing windows, filter the light with sheer curtains or blinds. Insufficient light can result in leggy growth and reduced flowering. Rotate the plant regularly to ensure even light exposure on all sides. During the darker months, consider supplementing with artificial grow lights to maintain healthy growth. Observe the plant’s foliage; if the leaves appear pale or stretched, it’s a sign that it needs more light.

How do I care for Arum?

Arum plants prefer bright, indirect light but can tolerate some shade. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Reduce watering and fertilization during the dormant period in fall and winter. Maintain moderate humidity, especially indoors. Repot every 1-2 years in spring, using a well-draining potting mix. Prune away any yellowing or dead leaves to encourage healthy growth. Protect from frost as Arum is not cold hardy. Monitor for pests such as aphids or spider mites and treat accordingly. Proper air circulation is essential to prevent fungal diseases.

How do I propagate Arum?

Arum can be propagated through division, stem cuttings, or from bulb offsets (keikis).

Crimson Clover

What are the light requirements for Crimson Clover?

Crimson Clover thrives best in full sun, requiring at least 6 hours of direct sunlight per day to produce abundant blooms. However, it can tolerate partial shade, especially in hotter climates where afternoon shade can prevent scorching. When grown indoors, place the plant near a south-facing window to maximize light exposure. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light distribution. If natural light is limited, consider using grow lights to supplement. Monitor the plant’s growth and adjust its position as needed to ensure it receives adequate light.

How do I care for Crimson Clover?

Crimson Clover is relatively easy to care for, making it a great option for beginners. Plant seeds in well-drained soil in a location that receives full sun to partial shade. Water regularly, especially during dry periods, to keep the soil consistently moist but not waterlogged. Fertilize sparingly, as excessive fertilization can inhibit flowering. A balanced fertilizer applied once or twice during the growing season is usually sufficient. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases, and address any issues promptly. Provide support if the plants become leggy or top-heavy. In colder climates, Crimson Clover can be grown as an annual or biennial. Proper drainage is crucial to prevent root rot.

How do I propagate Crimson Clover?

Crimson Clover is most commonly propagated by seed. Sow seeds directly into well-drained soil in early spring or fall. Ensure the soil is consistently moist until germination occurs, which typically takes 7-14 days. Thin seedlings as needed to provide adequate spacing. While division and stem cuttings are not commonly used for Crimson Clover propagation, seed saving is a straightforward method. Allow seed heads to dry on the plant, then collect the seeds and store them in a cool, dry place until ready to sow. Direct sowing is generally the most successful method for propagating Crimson Clover.

Last updated: April 26, 2026 — Plant care data reviewed and verified by our editorial team.