Autumn Crocus vs Franklin Tree 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
Franklin Tree

Franklin Tree

Franklinia alatamaha

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
Franklin Tree

Franklin Tree

Franklinia alatamaha

The Franklin Tree is a deciduous tree or large shrub known for its beautiful camellia-like, fragrant white flowers that bloom in late summer to early fall. It has attractive, glossy green leaves that turn vibrant shades of red and orange in the fall. Sadly, it is extinct in the wild, making it a rare and highly prized ornamental tree. It typically grows to a height of 10-30 feet. People grow it for its stunning floral display, fall color, and historical significance.

Theaceae Southeastern United States (Georgia, along the Altamaha River)
✨ Features: Extinct in the wild, beautiful late-season blooms, stunning fall color.
📖 Read Complete Franklin Tree Guide

Quick Plant Comparison

Feature Autumn Crocus Franklin Tree
Light Full sun to partial shade Full sun to partial shade
Watering Water only during prolonged dry periods, especially after planting. 2-3 times per week during the growing season, less frequently in winter, depending on rainfall and soil moisture.
Humidity 30-50% 40-60%
Temperature 5-20°C 10-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 10-20 cm N/A (Outdoor Tree)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining soil, such as a sandy loam Well-drained, acidic soil rich in organic matter
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 5 minutes weekly during the growing season. 30 minutes weekly during growing season.

🔬 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.

Franklin Tree

Scientific Name Franklinia alatamaha
Family Theaceae
Native To Southeastern United States (Georgia, along the Altamaha River)
Also Known As Franklin Tree
Leaves The leaves are alternate, simple, oblong to obovate, 3-6 inches long, and have finely serrated margins. They are glossy green in summer and turn brilliant shades of red, orange, and purple in the fall.
Flowers The Franklin Tree produces 3-inch wide, cup-shaped, fragrant white flowers that resemble camellias. The flowers have prominent yellow stamens in the center and bloom in late summer to early fall.

📏 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.

Franklin Tree

Height N/A (Outdoor Tree)
Spread N/A (Outdoor Tree)
Growth Rate Moderate
Growth Pattern The Franklin Tree grows as a small to medium-sized deciduous tree or large shrub with an upright, somewhat irregular habit. It typically develops a single trunk or multiple stems.

🌱 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.

Franklin Tree

Methods: Seed, stem cuttings, root cuttings

Difficulty: Difficult

Tips: Seed propagation requires stratification and can be slow. Stem cuttings are best taken in late spring or early summer. Root cuttings can be taken in late winter.

✨ 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

Franklin Tree

The Franklin Tree is unique because it is extinct in the wild and all existing trees are descended from the Bartram's collection. Its late-season blooms and vibrant fall color make it a standout ornamental tree.

  • ✓ Provides late-season blooms for visual interest.
  • ✓ Offers stunning fall foliage color.
  • ✓ Attracts pollinators to the garden.
  • ✓ Adds historical significance to the landscape.
  • ✓ Offers a unique and rare specimen for plant collectors.
  • 🐾 Pet Safe

📅 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.

Franklin Tree

Repotting N/A (Outdoor Tree)
Pruning Prune lightly in late winter or early spring to remove dead or damaged branches and maintain shape.
Fertilizing Acid-forming fertilizer in early spring, following package instructions for dosage.
Seasonal Care In spring, fertilize and mulch. In summer, ensure adequate watering. In fall, enjoy the vibrant foliage. In winter, protect from harsh winds and extreme cold.

🌞 Light Requirements

Autumn Crocus

Full sun to partial shade

Low light tolerant: ❌ No

Franklin Tree

Full sun to partial shade

Low light tolerant: ❌ No

💧 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.

Franklin Tree

Water deeply and regularly, especially during dry periods. Keep the soil consistently moist, but not waterlogged. Overwatering can lead to root rot. Underwatering will cause leaf drop and stress.

🌡️ Temperature & Humidity

Autumn Crocus

Temperature: 5-20°C

Humidity: 30-50%

Franklin Tree

Temperature: 10-24°C

Humidity: 40-60%

🤔 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.
Franklin Tree

Franklin Tree

Franklinia alatamaha
Care: Expert Time: 30 minutes weekly during growing season. Beginner: No

Experienced gardeners looking for a unique and historically significant ornamental tree for their landscape.

✅ Choose This Plant If...

  • You want a rare and historically significant tree in your garden.
  • You desire late-season blooms when many other plants have finished flowering.
  • You appreciate vibrant fall foliage.
  • You have acidic, well-drained soil.
  • You are an experienced gardener willing to provide specific care.

❌ Skip This Plant If...

  • You live in a climate with alkaline soil.
  • You are a beginner gardener.
  • You want a low-maintenance plant.
📍 Ideal Location: A sunny or partially shaded spot in the garden with well-drained, acidic soil.
🎨 Style: Traditional, Cottage, Woodland
🏠 Apartment Friendly: No
⚠️ According to available sources, Franklinia alatamaha is not known to be toxic to humans or animals. However, it is always best to supervise pets and children around any plant.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Franklin Tree ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 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.

Franklin Tree Care Tips

The Franklin Tree is primarily an outdoor tree and is not suitable for indoor growing. It requires specific soil conditions, consistent moisture, and protection from extreme temperatures. Maintaining proper acidity and drainage is crucial for its survival. Indoor growing is not recommended due to its size and environmental needs.

  • Ensure the soil is consistently moist but not waterlogged.
  • Apply an acid-forming fertilizer in early spring.
  • Mulch around the base of the tree to retain moisture and suppress weeds.
  • Protect from harsh winds and extreme cold in winter.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect the tree from harsh winds and extreme cold. Mulch around the base to insulate the roots. Avoid pruning in late fall or early winter.
☀️ Summer: Ensure adequate watering during hot, dry periods. Provide some afternoon shade in hotter climates to prevent leaf scorch. Monitor for pests and diseases.

⚠️ 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.

Franklin Tree

Common Issues: Root rot, chlorosis (yellowing leaves), susceptibility to pests and diseases
Solutions: Ensure well-drained soil to prevent root rot. Address chlorosis with an acid-forming fertilizer. Monitor for pests and diseases and treat accordingly with appropriate insecticides or fungicides.

❓ 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.

Franklin Tree

What are the light requirements for Franklin Tree?

Franklin Trees thrive in bright, indirect light. Avoid direct sunlight, especially during the hottest parts of the day, as it can scorch the leaves. An east-facing window is often ideal, providing gentle morning sun. A south- or west-facing window can also work, but be sure to filter the light with a sheer curtain to prevent leaf burn. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Franklin Tree?

To successfully grow a Franklin Tree indoors, begin with a well-draining potting mix in a pot at least 12 inches in diameter. Place it in a location with bright, indirect light. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to avoid root rot. Maintain moderate humidity levels, ideally around 50-60%, using a humidifier if necessary.

How do I propagate Franklin Tree?

Franklin Trees can be propagated through stem cuttings and air layering, though both methods can be challenging. For stem cuttings, take a 4-6 inch cutting from new growth in late spring or early 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 consistently moist and humid. Place a plastic bag over the cutting to retain humidity. Rooting can take several weeks to months.

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