Christmas Fern vs Pineapple Guava Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
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.
Pineapple Guava
Acca sellowiana (syn. Feijoa sellowiana)
Pineapple Guava is an evergreen shrub or small tree, typically grown outdoors for its ornamental value and edible fruit. It features attractive gray-green foliage, showy red and white flowers with edible petals, and egg-shaped, green fruit with a sweet, aromatic flavor reminiscent of pineapple and guava. While it can be grown in containers, it thrives best outdoors where it can reach its full potential. People grow it for its unique fruit, attractive appearance, and relatively low maintenance once established.
Quick Plant Comparison
| Feature | Christmas Fern | Pineapple Guava |
|---|---|---|
| Light | Partial to full shade. Avoid direct sunlight, especially indoors. | Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal fruit production. |
| Watering | Every 7-10 days, adjust based on humidity and temperature. | Every 1-2 weeks, depending on weather and soil drainage. More frequent watering may be needed during hot, dry periods. |
| Humidity | 50-70% | 40-60% |
| Temperature | 10-21°C | 15-27°C |
| Care Level | Expert | Expert |
| Growth Rate | Moderate | Moderate |
| Max Height | 30-60 cm | 2-3 meters (indoors, in containers) - significantly larger outdoors. |
| Pet Safety | ✅ Safe | ✅ Safe |
| Soil | Well-draining, humus-rich soil. A mix of potting soil, peat moss, and perlite is suitable. | Well-draining, slightly acidic soil. A mix of potting soil, sand, and perlite is suitable for container growing. |
| Beginner Friendly | ❌ No | ❌ No |
| Weekly Maintenance | 10 minutes weekly | 30 minutes weekly (more during fruiting season). |
🔬 Botanical Information — Comparing These Plants
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. |
Pineapple Guava
| Scientific Name | Acca sellowiana (syn. Feijoa sellowiana) |
|---|---|
| Family | Myrtaceae |
| Native To | Southern Brazil, Paraguay, Uruguay, and Northern Argentina |
| Also Known As | Pineapple Guava, Feijoa, Guavasteen |
| Leaves | The leaves are opposite, elliptical, and gray-green in color. They have a leathery texture and are approximately 5-7 cm long. |
| Flowers | It produces showy, bi-colored flowers with bright red stamens and white petals. The flowers are edible and appear in late spring to early summer. Indoor flowering is possible with sufficient light. |
📏 Size & Growth — Plant Comparison
Christmas Fern
Pineapple Guava
🌱 Propagation — Comparing Plant Growth
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.
Pineapple Guava
Methods: Seed, Stem cuttings, Grafting
Difficulty: Moderate
Tips: Stem cuttings should be taken in late spring or early summer. Use rooting hormone to improve success. Seeds require stratification for optimal germination.
✨ Benefits & Features — Comparing Plant Value
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
Pineapple Guava
The edible flower petals are a unique feature, offering a sweet and slightly spicy flavor. The fruit has a distinctive pineapple-guava flavor that is highly prized.
- ✓ Provides edible fruit and flowers.
- ✓ Offers attractive evergreen foliage.
- ✓ Attracts pollinators to the garden.
- ✓ Relatively drought-tolerant once established.
- ✓ Can be used as a hedge or screen.
- 🐾 Pet Safe
📅 Maintenance Schedule — Plant Care Comparison
Christmas Fern
Pineapple Guava
🌞 Light Requirements
Christmas Fern
Partial to full shade. Avoid direct sunlight, especially indoors.
Low light tolerant: ❌ No
Pineapple Guava
Full sun to partial shade. Requires at least 6 hours of direct sunlight for optimal fruit production.
Low light tolerant: ❌ No
💧 Watering Needs
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.
Pineapple Guava
Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. During fruiting, consistent watering is important for fruit development. Signs of underwatering include wilting leaves and dry soil. Overwatering signs include yellowing leaves and soggy soil.
🌡️ Temperature & Humidity
Christmas Fern
Temperature: 10-21°C
Humidity: 50-70%
Pineapple Guava
Temperature: 15-27°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Christmas Fern
Polystichum acrostichoidesExperienced 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.
Pineapple Guava
Acca sellowiana (syn. Feijoa sellowiana)Gardeners in mild climates looking for an attractive, edible landscape plant.
✅ Choose This Plant If...
- You live in a mild climate with long, sunny days.
- You want an attractive evergreen shrub with edible fruit and flowers.
- You are willing to hand-pollinate flowers if grown indoors.
- You have a sunny outdoor space where it can thrive.
- You are looking for a relatively low-maintenance plant once established.
❌ Skip This Plant If...
- You live in a cold climate with harsh winters.
- You don't have a sunny outdoor space.
- You are looking for a low-maintenance indoor plant.
- You are not interested in hand-pollinating flowers.
- You don't have the space for a shrub that can grow to a significant size.
🎯 Quick Verdict
⚡ 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
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.
Pineapple Guava Care Tips
Pineapple Guava is best suited for outdoor growing. Indoor cultivation is challenging due to high light requirements and the need for pollination to produce fruit. It requires well-draining soil, regular watering, and fertilization. Expect reduced growth and potentially no fruit production indoors.
- Provide well-draining soil to prevent root rot.
- Water deeply but infrequently, allowing the soil to dry out slightly between waterings.
- Fertilize regularly during the growing season with a balanced fertilizer.
- Prune annually to maintain shape and encourage fruit production.
- Protect from frost in colder climates.
⚠️ Common Problems & Solutions — Plant Care Comparison
Christmas Fern
Pineapple Guava
❓ Frequently Asked Questions — Comparing These Plants
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.
Pineapple Guava
What are the light requirements for Pineapple Guava?
Pineapple Guava thrives in bright, indirect light indoors. A south-facing window is ideal, but if the light is too intense, filter it with a sheer curtain. Insufficient light can lead to leggy growth, reduced flowering, and less fruit production. If natural light is limited, supplement with grow lights.
How do I care for Pineapple Guava?
To successfully grow Pineapple Guava indoors, provide bright, indirect light, ideally near a south-facing window. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels by misting regularly or using a humidifier. Use a well-draining potting mix formulated for fruit trees. Fertilize monthly during the growing season (spring and summer) with a balanced fertilizer.
How do I propagate Pineapple Guava?
Pineapple Guava can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch semi-hardwood cutting 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 moist and humid. Roots should develop in 6-8 weeks.
Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.