Amethyst Flower vs Christmas Fern Plant Comparison

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

Amethyst Flower

Amethyst Flower

Browallia speciosa

VS
Christmas Fern

Christmas Fern

Polystichum acrostichoides

Amethyst Flower

Amethyst Flower

Browallia speciosa

Browallia speciosa, commonly known as Amethyst Flower, is a tender perennial often grown as an annual. It features vibrant, star-shaped flowers, typically in shades of blue or violet, though white and pink varieties exist. The plant has a bushy growth habit, reaching up to 1-2 feet in height. While it can be grown indoors, it thrives outdoors in warm climates. People grow it for its profuse and long-lasting blooms, adding a splash of color to gardens and containers. It's not a naturally indoor plant, so providing adequate light is crucial for indoor success.

Solanaceae Colombia, Venezuela
✨ Features: Long blooming period, attractive flowers.
📖 Read Complete Amethyst Flower Guide
Christmas Fern

Christmas Fern

Polystichum acrostichoides

The Christmas fern is a robust, evergreen fern native to eastern North America. It gets its name from the fact that its fronds often remain green throughout the Christmas season. It features leathery, lance-shaped fronds that are deeply divided into leaflets (pinnae). The fertile fronds have spore-bearing sori on the upper pinnae. It typically grows in moist, shaded woodlands and is a popular choice for naturalistic gardens. While it can be grown indoors, it requires specific conditions and is generally better suited for outdoor environments.

Dryopteridaceae Eastern North America
✨ Features: Evergreen foliage, erosion control, naturalizes well in woodland gardens.
📖 Read Complete Christmas Fern Guide

Quick Plant Comparison

Feature Amethyst Flower Christmas Fern
Light Bright indirect light to partial sun. Needs at least 4-6 hours of bright light daily to flower well. Partial to full shade. Avoid direct sunlight, especially indoors.
Watering Every 5-7 days, depending on environmental conditions Every 7-10 days, adjust based on humidity and temperature.
Humidity 40-60% 50-70%
Temperature 18-24°C 10-21°C
Care Level Moderate Expert
Growth Rate Moderate Moderate
Max Height 0.3-0.6 meters (1-2 feet) indoors 30-60 cm
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite. Well-draining, humus-rich soil. A mix of potting soil, peat moss, and perlite is suitable.
Beginner Friendly With Caution ❌ No
Weekly Maintenance 10 minutes weekly 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Amethyst Flower

Scientific Name Browallia speciosa
Family Solanaceae
Native To Colombia, Venezuela
Also Known As Amethyst Flower, Sapphire Flower, Bush Violet
Leaves Oval to lance-shaped leaves, typically 2-4 inches long, with a smooth texture and medium green color.
Flowers Yes, if given proper conditions. Star-shaped flowers, typically blue or violet, but also available in white and pink. Flowers are about 1-2 inches in diameter and bloom profusely.

Christmas Fern

Scientific Name Polystichum acrostichoides
Family Dryopteridaceae
Native To Eastern North America
Also Known As Christmas Fern, Evergreen Wood Fern
Leaves The fronds are lance-shaped, 30-90 cm long, and deeply divided into leathery, dark green pinnae. The pinnae are slightly sickle-shaped and have a toothed margin. The fertile fronds have smaller, spore-bearing pinnae at the tip.
Flowers Ferns do not produce flowers. They reproduce via spores.

📏 Size & Growth — Plant Comparison

Amethyst Flower

Height 0.3-0.6 meters (1-2 feet) indoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. It can become somewhat sprawling if not pruned regularly.

Christmas Fern

Height 30-60 cm
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern The Christmas fern grows in a clumping, upright habit. It spreads slowly via rhizomes, forming colonies over time.

🌱 Propagation — Comparing Plant Growth

Amethyst Flower

Methods: Seed, Stem cuttings

Difficulty: Easy

Tips: For stem cuttings, take 4-6 inch cuttings from new growth, remove the lower leaves, and place in water or moist potting mix. Keep the cuttings in a warm, humid environment. For seeds, sow indoors 6-8 weeks before the last frost.

Christmas Fern

Methods: Division, Spores

Difficulty: Moderate

Tips: Division is best done in early spring. Carefully separate the rhizomes and replant. Spore propagation is more challenging and requires a sterile environment.

✨ Benefits & Features — Comparing Plant Value

Amethyst Flower

The Amethyst Flower is known for its profuse, star-shaped flowers that bloom for an extended period. Its vibrant blue or violet hues make it a standout addition to any garden or indoor space. It is relatively easy to propagate from seeds or cuttings.

  • ✓ Adds vibrant color to indoor or outdoor spaces.
  • ✓ Attracts pollinators to the garden.
  • ✓ Provides a long blooming period.
  • ✓ Can be grown in containers or garden beds.
  • ✓ Relatively easy to propagate.
  • ⚠️ Toxic to pets

Christmas Fern

The Christmas fern is distinguished by its evergreen foliage and the presence of sori only on the upper pinnae of fertile fronds. This unique characteristic makes it easy to identify.

  • ✓ Provides year-round greenery in shaded areas.
  • ✓ Helps prevent soil erosion.
  • ✓ Attracts beneficial insects.
  • ✓ Low maintenance once established.
  • ✓ Adds a natural, woodland aesthetic.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Amethyst Flower

Repotting Repot annually in spring if the plant becomes root-bound.
Pruning Pinch back stems regularly to encourage bushier growth and more flowers. Deadhead spent blooms to prolong the flowering period.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. Provide bright light. In summer, water more frequently and fertilize regularly to encourage blooming.

Christmas Fern

Repotting Repot every 2-3 years in spring if the plant becomes root-bound.
Pruning Remove dead or damaged fronds as needed.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and ensure protection from extreme cold. In summer, provide ample moisture and shade.

🌞 Light Requirements

Amethyst Flower

Bright indirect light to partial sun. Needs at least 4-6 hours of bright light daily to flower well.

Low light tolerant: ❌ No

Christmas Fern

Partial to full shade. Avoid direct sunlight, especially indoors.

Low light tolerant: ❌ No

💧 Watering Needs

Amethyst Flower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of overwatering include yellowing leaves and wilting, while underwatering results in drooping and dry, crispy leaves.

Christmas Fern

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of overwatering include yellowing or browning fronds. Signs of underwatering include wilting or crispy fronds.

🌡️ Temperature & Humidity

Amethyst Flower

Temperature: 18-24°C

Humidity: 40-60%

Christmas Fern

Temperature: 10-21°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Amethyst Flower

Amethyst Flower

Browallia speciosa
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Gardeners who want a profuse bloomer for containers or borders in warm climates, or those willing to provide ample light for indoor flowering.

✅ Choose This Plant If...

  • You want a plant with vibrant blue or violet flowers.
  • You need a plant that blooms for a long period.
  • You have a bright sunny spot to place the plant.
  • You enjoy deadheading flowers to encourage more blooms.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a bright location for it to thrive indoors.
  • You are prone to overwatering plants.
📍 Ideal Location: Bright windowsill, sunroom, or outdoor patio in warm climates.
🎨 Style: Cottage, Eclectic, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Browallia speciosa is toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic due to the presence of alkaloids.
Christmas Fern

Christmas Fern

Polystichum acrostichoides
Care: Expert Time: 10 minutes weekly Beginner: No

Experienced gardeners seeking a low-maintenance, evergreen groundcover for shaded areas.

✅ Choose This Plant If...

  • You want an evergreen fern for a shady garden area.
  • You need a plant for erosion control on a slope.
  • You want to attract beneficial insects to your garden.
  • You appreciate low-maintenance plants once established.
  • You have a woodland garden and want a native species.

❌ Skip This Plant If...

  • You have limited space indoors.
  • You cannot provide high humidity.
  • You are a beginner gardener looking for an easy indoor plant.
📍 Ideal Location: Shaded garden bed, woodland garden, north-facing window (if attempting indoors).
🎨 Style: Woodland, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Christmas Fern is not toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Christmas Fern ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Amethyst Flower is rated Moderate care level, while Christmas Fern is Expert.

💡 Pro Tips For Comparing These Plants

Amethyst Flower Care Tips

Amethyst Flower requires bright light and consistent moisture. It's not naturally an indoor plant, so providing sufficient light is essential for flowering. Regular fertilization promotes abundant blooms. Watch out for pests and diseases. Toxicity to pets is a significant concern.

  • Provide bright, indirect light to encourage blooming.
  • Water thoroughly when the top inch of soil is dry.
  • Fertilize regularly during the growing season.
  • Pinch back stems to promote bushier growth.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering frequency. Provide bright light. Avoid placing near drafts or heaters.
☀️ Summer: Water more frequently, especially during hot weather. Fertilize regularly to encourage blooming. Protect from intense afternoon sun.

Christmas Fern Care Tips

Christmas fern is primarily an outdoor plant that prefers moist, shaded environments. Indoor cultivation is challenging due to the need for high humidity, cool temperatures, and indirect light. It requires consistent moisture and well-draining soil. It is not a good choice for beginners indoors.

  • Provide consistent moisture, especially during dry periods.
  • Mulch around the base of the plant to retain moisture.
  • Avoid planting in direct sunlight.
  • Divide clumps every few years to maintain vigor.
  • Monitor for pests and diseases regularly.
❄️ Winter: Reduce watering during the winter months. Protect from extreme cold and drying winds. Mulch around the base of the plant to insulate the roots.
☀️ Summer: Provide ample moisture during the summer months. Ensure the plant is shaded from direct sunlight. Monitor for pests and diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Amethyst Flower

Common Issues: Aphids, Whiteflies, Root rot, Powdery mildew
Solutions: Aphids/Whiteflies: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering frequency. Powdery mildew: Improve air circulation, fungicide.

Christmas Fern

Common Issues: Frond browning, Root rot, Pest infestations (scale, mealybugs)
Solutions: Frond browning: Increase humidity, ensure proper watering. Root rot: Improve drainage, reduce watering frequency. Pest infestations: Treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Amethyst Flower

What are the light requirements for Amethyst Flower?

Amethyst Flower requires bright, indirect light to thrive and produce abundant blooms. Insufficient light can lead to leggy growth and reduced flowering. An east-facing window is often ideal, providing gentle morning sun. A west-facing window can also work, but be cautious of intense afternoon sun which could scorch the leaves.

How do I care for Amethyst Flower?

Amethyst Flower thrives in bright, indirect light; direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain a humidity level of 50-60% using a humidifier or pebble tray. Fertilize every 2-3 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.

How do I propagate Amethyst Flower?

Amethyst Flower can be propagated through stem cuttings. Take a 4-6 inch cutting from a healthy stem, removing the lower leaves. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Roots should develop in 4-6 weeks.

Christmas Fern

What are the light requirements for Christmas Fern?

Christmas Ferns prefer bright, indirect light. Direct sunlight can scorch their delicate fronds, leading to browning and damage. The ideal location is near a north-facing window, or in a room with filtered sunlight. If you notice the fronds turning pale green or yellow, it may indicate that the plant is receiving too much light. Conversely, if the fronds appear dark green and growth is slow, the plant may not be getting enough light. Avoid placing the fern in direct sunlight, especially during the hottest part of the day. Artificial light can also be used to supplement natural light, especially during the winter months.

How do I care for Christmas Fern?

Christmas Fern thrives in indirect light and requires consistent moisture. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain high humidity, ideally above 50%, through misting or using a humidifier. Plant in well-draining, slightly acidic potting mix rich in organic matter. Fertilize sparingly during the growing season (spring and summer) with a diluted balanced liquid fertilizer. Avoid direct sunlight, which can scorch the fronds. Prune away any dead or damaged fronds to maintain its appearance. Repot every 1-2 years, or when the plant becomes root-bound, into a slightly larger pot. Protect from drafts and sudden temperature changes. Monitor for pests like scale, and treat promptly if necessary.

How do I propagate Christmas Fern?

Christmas Ferns can be propagated by division or by spores. For division, carefully separate the rhizomes in spring, ensuring each division has healthy roots and fronds. Plant the divisions in well-draining potting mix and keep them moist. For spore propagation, collect spores from mature fronds and sow them on a sterile substrate. Keep the substrate moist and humid. Spore propagation is a slow process, often taking several months to produce small plantlets. Division is the easier and more common method for home gardeners. Ensure the parent plant is healthy before attempting propagation. New plants will require consistent moisture and high humidity.

Last updated: May 1, 2026 — Plant care data reviewed and verified by our editorial team.