Autumn Crocus vs Philodendron Selloum Plant Comparison

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

Autumn Crocus

Autumn Crocus

Colchicum autumnale

VS
Philodendron Selloum

Philodendron Selloum

Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)

Autumn Crocus

Autumn Crocus

Colchicum autumnale

Colchicum autumnale, commonly known as Autumn Crocus, is a perennial flowering plant that blooms in the autumn. It produces goblet-shaped flowers in shades of pink, purple, or white, arising directly from the ground without leaves. The leaves appear in the spring, after the flowers have faded. It is primarily an outdoor plant, grown for its late-season blooms that add color to gardens when many other plants are dormant. People grow it for its unique flowering time and attractive appearance.

Colchicaceae Europe and North Africa
✨ Features: Late-season blooms, unique flowering habit (flowers appear before leaves)
📖 Read Complete Autumn Crocus Guide
Philodendron Selloum

Philodendron Selloum

Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)

Thaumatophyllum bipinnatifidum, commonly known as Selloum, is a large, evergreen plant characterized by its deeply lobed, glossy green leaves. It is often grown as an ornamental plant, both indoors and outdoors, although it thrives best in warm, humid environments. While often referred to as a Philodendron, it was reclassified into the genus Thaumatophyllum. In its natural habitat, it can grow quite large, forming a trunk-like stem. People grow it for its dramatic foliage and tropical appearance, adding a lush, architectural element to landscapes and interiors. It is primarily an outdoor plant but can adapt to indoor conditions with proper care.

Araceae South America, specifically Brazil, Paraguay, Bolivia, and Argentina
✨ Features: Dramatic foliage, air purifying qualities (though not as significant as some other plants).
📖 Read Complete Philodendron Selloum Guide

Quick Plant Comparison

Feature Autumn Crocus Philodendron Selloum
Light Full sun to partial shade Bright, indirect light. Can tolerate some direct morning sun, but avoid intense afternoon sun.
Watering Water only during prolonged dry periods, especially after planting. Every 1-2 weeks, depending on environmental conditions and pot size.
Humidity 30-50% 40-70%
Temperature 5-20°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height 10-20 cm 1-1.5 meters indoors
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, such as a sandy loam Well-draining potting mix, such as a mix of peat moss, perlite, and pine bark.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 5 minutes weekly during the growing season. 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Autumn Crocus

Scientific Name Colchicum autumnale
Family Colchicaceae
Native To Europe and North Africa
Also Known As Autumn Crocus, Meadow Saffron, Naked Ladies
Leaves The leaves are strap-shaped, lanceolate, and green, appearing in spring after the flowers have bloomed. They are typically 15-30 cm long and 2-5 cm wide. The leaves die back in late spring or early summer.
Flowers The plant produces goblet-shaped flowers in shades of pink, purple, or white in autumn. The flowers have six petals and are typically 5-8 cm in diameter. They emerge directly from the ground without any foliage.

Philodendron Selloum

Scientific Name Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)
Family Araceae
Native To South America, specifically Brazil, Paraguay, Bolivia, and Argentina
Also Known As Split-leaf Philodendron, Selloum, Horsehead Philodendron, Lacy Tree Philodendron
Leaves The leaves are large, deeply lobed, and glossy green. They can grow up to 90 cm long and 60 cm wide. The lobes are irregular and give the leaves a distinctive, feathery appearance. New leaves emerge a lighter green and gradually darken with age.
Flowers It rarely flowers indoors. When it does flower, it produces a spadix and spathe, typical of plants in the Araceae family. The flowers are not particularly showy.

📏 Size & Growth — Plant Comparison

Autumn Crocus

Height 10-20 cm
Spread 5-10 cm, spreads via corms
Growth Rate Moderate
Growth Pattern The plant grows from a corm, producing flowers directly from the ground in autumn. The leaves emerge in spring, forming a rosette of foliage. It spreads via corms, gradually forming clumps over time.

Philodendron Selloum

Height 1-1.5 meters indoors
Spread 1-2 meters indoors
Growth Rate Moderate
Growth Pattern It grows upright and outwards, forming a dense clump of foliage. Over time, it can develop a trunk-like stem. It does not spread aggressively via rhizomes like some other Philodendrons.

🌱 Propagation — Comparing Plant Growth

Autumn Crocus

Methods: Division of corms, Seed

Difficulty: Moderate

Tips: Divide corms in late summer when dormant. Replant immediately in well-draining soil. Seeds can be sown in autumn, but it may take several years for plants to flower.

Philodendron Selloum

Methods: Stem cuttings, Division, Seed (rarely used)

Difficulty: Moderate

Tips: Take stem cuttings with aerial roots. Allow the cut end to callous over for a day or two before planting in moist potting mix. Keep the cutting warm and humid.

✨ Benefits & Features — Comparing Plant Value

Autumn Crocus

The Autumn Crocus is unique because it blooms in the fall without any foliage present. The leaves emerge in the spring after the flowers have faded. This unusual flowering habit makes it a standout in the garden.

  • ✓ Provides late-season color in the garden.
  • ✓ Attracts pollinators like bees.
  • ✓ Adds visual interest to the landscape.
  • ✓ Can be used in cut flower arrangements.
  • ✓ Requires minimal maintenance once established.
  • ⚠️ Toxic to pets

Philodendron Selloum

Its deeply lobed leaves give it a unique and dramatic appearance. It's also relatively easy to propagate from stem cuttings. The plant's size and architectural form make it a standout feature in any space.

  • ✓ Adds a tropical aesthetic to your space.
  • ✓ Can improve indoor air quality.
  • ✓ Provides a sense of calm and connection to nature.
  • ✓ Its large leaves create a visually striking focal point.
  • ✓ Relatively low-maintenance once established.
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Autumn Crocus

Repotting Not applicable as it's an outdoor plant. If grown in containers, divide corms every 2-3 years.
Pruning Remove faded flowers and yellowing leaves.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring when the leaves emerge. Avoid over-fertilizing, as this can promote excessive foliage growth at the expense of flowers.
Seasonal Care In spring, apply fertilizer when leaves emerge. In summer, keep soil moderately dry during dormancy. In autumn, flowers will appear. In winter, protect from extreme cold if necessary.

Philodendron Selloum

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Remove yellowing or damaged leaves as needed. Prune to control size and shape.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Provide supplemental light if needed. Increase watering and fertilizing during the growing season (spring and summer).

🌞 Light Requirements

Autumn Crocus

Full sun to partial shade

Low light tolerant: ❌ No

Philodendron Selloum

Bright, indirect light. Can tolerate some direct morning sun, but avoid intense afternoon sun.

Low light tolerant: ✅ Yes

💧 Watering Needs

Autumn Crocus

Water thoroughly when planting the corms. Once established, water only during prolonged dry periods. Avoid overwatering, especially during dormancy, as this can cause the corms to rot. Signs of overwatering include soft, mushy corms. Underwatering is less common but can result in fewer flowers.

Philodendron Selloum

Water thoroughly when the top 2-3 inches of soil are dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a musty smell. Underwatering results in drooping leaves and dry, crispy edges.

🌡️ Temperature & Humidity

Autumn Crocus

Temperature: 5-20°C

Humidity: 30-50%

Philodendron Selloum

Temperature: 18-24°C

Humidity: 40-70%

🤔 Which Plant Is Right For You?

Autumn Crocus

Autumn Crocus

Colchicum autumnale
Care: Expert Time: 5 minutes weekly during the growing season. Beginner: No

Experienced gardeners looking to add late-season color to their outdoor gardens.

✅ Choose This Plant If...

  • You want a plant that blooms in the fall when most others are done.
  • You appreciate unique flowering habits.
  • You have a well-draining garden bed.
  • You are an experienced gardener familiar with toxic plants.
  • You want to add a pop of color to your garden in autumn.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are a beginner gardener.
  • You want an easy-to-grow indoor plant.
📍 Ideal Location: Outdoor garden beds or borders with full sun to partial shade.
🎨 Style: Cottage, Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ All parts of the plant, especially the corms and seeds, contain colchicine, which is highly toxic to dogs, cats, and horses. Symptoms include oral irritation, vomiting, diarrhea, abdominal pain, kidney failure, seizures, and respiratory failure. Ingestion can be fatal.
Philodendron Selloum

Philodendron Selloum

Thaumatophyllum bipinnatifidum (syn. Philodendron selloum)
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide ample space and attention to its specific needs.

✅ Choose This Plant If...

  • You want a bold, tropical statement plant.
  • You have a bright, indirect light location.
  • You are experienced with plant care and can manage its needs.
  • You appreciate its architectural foliage.
  • You are prepared to provide ample space for its growth.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You have limited space.
  • You tend to overwater your plants.
📍 Ideal Location: Living room, sunroom, or any room with bright, indirect light.
🎨 Style: Tropical, Bohemian, Modern
🏠 Apartment Friendly: Limited
🌬️ Air Purifying: Yes (NASA verified)
⚠️ All parts of the plant contain calcium oxalate crystals, which are toxic to dogs, cats, and horses. Symptoms include oral irritation, excessive drooling, vomiting, and difficulty swallowing.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

🎯

Autumn Crocus is rated Expert care level, while Philodendron Selloum is Moderate.

💡 Pro Tips For Comparing These Plants

Autumn Crocus Care Tips

Autumn Crocus is primarily an outdoor plant and is challenging to grow indoors. It requires a period of dormancy and specific temperature conditions to flower properly. Indoor cultivation is not recommended due to its toxicity and specific environmental needs. It requires full sun and well-draining soil.

  • Plant corms in late summer for autumn blooms.
  • Ensure well-draining soil to prevent corm rot.
  • Protect from slugs and snails.
  • Apply a balanced fertilizer in early spring.
  • Allow foliage to die back naturally after flowering.
❄️ Winter: Autumn Crocus is dormant in winter. No special care is needed, but protect from extreme cold if necessary.
☀️ Summer: Keep soil moderately dry during dormancy. Avoid overwatering, as this can cause the corms to rot.

Philodendron Selloum Care Tips

While adaptable to indoor conditions, Selloum prefers bright, indirect light and well-draining soil. Maintaining adequate humidity and avoiding overwatering are crucial for its health. It can become quite large, requiring ample space. Regular cleaning of the leaves will keep it looking its best.

  • Wipe the leaves regularly with a damp cloth to remove dust and improve photosynthesis.
  • Provide a moss pole or other support for the plant to climb, mimicking its natural growth habit.
  • Rotate the plant regularly to ensure even growth on all sides.
  • Avoid placing the plant near drafts or heating vents.
  • Monitor for pests regularly and treat promptly.
❄️ Winter: Reduce watering frequency as the plant's growth slows down. Ensure the plant is not exposed to cold drafts. Provide supplemental light if needed, especially in regions with short days.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect the plant from intense afternoon sun to prevent leaf burn. Increase humidity by misting the leaves regularly.

⚠️ Common Problems & Solutions — Plant Care Comparison

Autumn Crocus

Common Issues: Corm rot, pests (slugs, snails), colchicine poisoning
Solutions: Ensure well-draining soil to prevent corm rot. Use slug and snail bait or handpick pests. Keep plants away from pets and children due to toxicity. Seek immediate veterinary attention if ingestion is suspected.

Philodendron Selloum

Common Issues: Yellowing leaves, Root rot, Pest infestations (spider mites, mealybugs), Leaf spot
Solutions: Yellowing leaves: Adjust watering schedule and check for nutrient deficiencies. | Root rot: Repot in fresh, well-draining soil and reduce watering frequency. | Pest infestations: Treat with insecticidal soap or neem oil. | Leaf spot: Improve air circulation and avoid wetting the foliage.

❓ Frequently Asked Questions — Comparing These Plants

Autumn Crocus

What are the light requirements for Autumn Crocus?

Autumn Crocus needs at least six hours of sunlight daily for optimal blooming. While they can tolerate partial shade, too little light can result in fewer flowers and leggy growth. In warmer climates, afternoon shade can protect the flowers from scorching. When planting, choose a location that receives morning sun and afternoon shade if possible. For indoor growing, place the pots near a sunny window that receives direct sunlight for several hours each day. Rotate the pots regularly to ensure even light exposure on all sides of the plant. Insufficient light can lead to weak stems and a lack of blooms. Pay close attention to the plant’s growth and adjust its placement accordingly.

How do I care for Autumn Crocus?

Autumn Crocus thrives in well-drained soil and prefers full sun to partial shade. Plant the bulbs in late summer, about 4-6 inches deep and 4-6 inches apart. Water thoroughly after planting. Once established, they require minimal watering, especially during dormancy. Fertilize lightly in spring with a balanced fertilizer to encourage healthy growth and abundant blooms. Protect from slugs and snails, which can damage the foliage and flowers. Allow the foliage to die back naturally after blooming to replenish the bulb’s energy stores. Avoid mowing the foliage until it has completely withered. In colder climates, a layer of mulch can help protect the bulbs during winter. Regularly check for signs of pests and diseases.

How do I propagate Autumn Crocus?

Autumn Crocus are primarily propagated through bulb division. This is best done in the summer when the plants are dormant. Carefully dig up the bulbs and separate the smaller bulblets from the main bulb. Replant the bulblets in well-draining soil, about 4-6 inches deep and 4-6 inches apart. Water thoroughly after planting. Alternatively, some species can be propagated by seed, but this is a slower process and may take several years to produce flowering plants. Stem cuttings and keiki propagation are not applicable for Autumn Crocus, as they are bulbous plants. Ensure the newly planted bulbs receive adequate sunlight and moisture to establish healthy root systems. Patience is key, as it may take a season or two for the new bulbs to mature and bloom.

Philodendron Selloum

What are the light requirements for Philodendron Selloum?

Philodendron Selloum flourishes in bright, indirect light. Avoid direct sunlight, especially during the hottest part of the day, as it can cause leaf burn. An east-facing window is ideal, or a spot near a south or west-facing window that is filtered by a sheer curtain. If the plant is not receiving enough light, the leaves may become pale or the stems may become leggy. Rotate the plant regularly to ensure even growth on all sides. Artificial grow lights can be used to supplement natural light, especially during winter months.

How do I care for Philodendron Selloum?

Philodendron Selloum thrives in bright, indirect light, avoiding direct sunlight which can scorch its leaves. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Use a well-draining potting mix to prevent root rot. Maintain humidity levels around 60-70% through misting or a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune any yellow or damaged leaves to encourage healthy growth. Repot every 1-2 years as needed, when the plant becomes root-bound. Provide support for mature plants as they grow larger. Protect from drafts and sudden temperature changes.

How do I propagate Philodendron Selloum?

Philodendron Selloum can be propagated through stem cuttings, division, or air layering. For stem cuttings, take a cutting with at least one node and place it in water or moist soil. For division, carefully separate the plant into multiple sections, ensuring each section has roots. For air layering, make a small cut on the stem, wrap it in moist sphagnum moss, and cover it with plastic wrap until roots develop. Plant the rooted cutting or division in well-draining soil. Maintain high humidity during propagation.

Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.