Filicium decipiens
Ferntree · Japanese fern tree · Fern-leaved tree
Description
Source: leafsnapFilicium decipiens, commonly known as the False Ashoka or Indian Mast Tree, is a tropical evergreen native to Southeast Asia. This tree can reach up to 20 meters in height and features a spreading canopy adorned with glossy green, pinnate leaves that can grow up to 30 cm long. It produces fragrant white or pink flowers in clusters that bloom from late winter through early summer. The fruit of the tree is a woody capsule containing numerous seeds. The False Ashoka is a popular ornamental tree in parks and gardens, valued for its attractive foliage, flowers, and overall aesthetic appeal. Additionally, it holds cultural significance in Hindu mythology, where it is associated with the goddess Sita. The tree prefers well-drained soil and full sun exposure, although it can tolerate partial shade. Regular watering is necessary during the growing season; however, once established, the tree can endure short periods of drought. While it has no major pests or diseases, pruning may be needed to maintain its shape and size, especially given its rapid growth during its early years. In summary, Filicium decipiens is an attractive tropical tree that enhances the beauty of any landscape and carries cultural significance in Hindu mythology.
Care Guide
💧 Water Every 7 days
Native to tropical regions, the ferntree thrives in consistently moist environments. While it can tolerate some drought, it typically needs to be watered every 1-2 weeks to maintain the ideal moisture level. During active growth periods, the ferntree requires more frequent watering to ensure lush foliage.
How should I water my Ferntree?
Your Ferntree is not very particular about how you choose to water it. You can use any common watering tool, such as watering cans, hoses, or even cups, to moisten the soil. Regardless of the tool you choose, it's important to water the plant directly on the soil and ensure that all areas of the soil receive equal moisture to support the entire root system. Filtered water is preferable over tap water, as tap water may contain harmful particles for plants. It's also best to use water at or slightly above room temperature, as extremely cold or hot water can be shocking for the Ferntree. However, the Ferntree usually responds well to any type of water given to it.
What should I do if I give my Ferntree too much or too little water?
Outdoor plants, especially newly planted ones or plant seedlings, are susceptible to lack of watering. It's important to consistently water them for a few months until the roots are established. Once that happens, rainwater should be sufficient most of the time. When a Ferntree is in a pot, overwatering is more likely. If you accidentally overwater your Ferntree, take immediate action. Stop watering the plant to minimize the impact of overwatering. Then, remove the Ferntree from its pot and check the roots for signs of root rot. If there is no root rot, you can return the plant to its container. However, if there is root rot, trim any affected roots and consider using a fungicide to prevent further damage. Finally, repot the Ferntree in well-draining soil. On the other hand, underwatering a Ferntree is easier to fix. If you notice the leaves drooping, drying out, or falling off, simply water the plant more frequently. The leaves will regain fullness quickly with sufficient watering. Correct the watering frequency as soon as you notice underwatering.
How much water does my Ferntree need?
Most outdoor plants can rely on rainfall for their water needs. However, if you live in an area with low rainfall, you'll need to water your plants every two weeks in the spring and fall. In the summer, you'll need to water more frequently, while in the winter, you can water less often or not at all since plants don't need as much water then. If you have a young or newly planted Ferntree, you should water it more often to help it establish and grow into a more adaptable and drought-tolerant plant. For potted plants like the Ferntree, there are two main ways to determine how often to water. One option is to follow a set watering schedule, such as once a week or every other week. However, this may not account for the specific growing conditions of your Ferntree. Another option is to check the moisture level of the soil. It's best to wait until the top two to four inches of soil (about ⅓ to ½ the depth of the pot) have completely dried out before giving more water. Keep in mind that during summer, your plant will need more water than the predetermined schedule suggests.
How much water does my Ferntree require?
Watering your Ferntree may not require a large amount of water. If only a few inches of soil have dried since the last watering, giving it about five to ten ounces of water will support healthy growth. You can also gauge the water volume based on soil moisture. Take note of how many inches of soil have dried out between waterings. To ensure your Ferntree gets enough moisture, water it enough to moisten all the dry soil layers since the last watering. If more than half of the soil is dry, consider giving it more water. Keep adding water until you see excess water draining from the pot's drainage holes. If outdoors, and the Ferntree is planted in a rainy area, it may not need additional watering. When the Ferntree is young or establishing, ensure it receives 1-2 inches of rain per week. As it grows, it can rely entirely on rainwater. Only in hot weather with no rainfall for 2-3 weeks should you consider giving it a full watering to prevent stress.
How do I know if I'm giving my Ferntree enough water?
Overwatering is a common issue for the Ferntree, and there are clear signs to watch out for. When a Ferntree is overwatered, its leaves turn yellow and it may even shed some. Additionally, overwatering can cause the plant's structure to shrink and can lead to root rot. Conversely, an underwatered Ferntree will also start to wilt and may have brown or brittle leaves. Whether you notice signs of overwatering or underwatering, it's important to take action and revive your Ferntree's health.
☀️ Light Full sun
Ferntree comes from open habitats like sunny meadows and forest edges that offer plenty of light. It thrives in Full Sun but can also tolerate Partial Sun, adapting well to a range of sunlight conditions.
What are the sunlight requirements for Ferntree?
Ferntree thrives in full sunlight, requiring more than 6 hours of sunlight a day but can also adapt to partial sun conditions, with about 3-6 hours of sunlight. Originating from open environments such as sunny meadows and forest edges, it is essential to watch how sunlight moves through your garden to ensure the spots you choose provide the perfect balance of light and shade for these plants.
How do I use artificial lighting for indoor Ferntree plants?
For optimal growth of Ferntree when natural sunlight is insufficient, particularly in winter or less sunny spaces, artificial lighting is key. LED lights are recommended for their ability to be customized to the specific wavelengths needed by plants. Full sun plants require 30-50W/sq ft, partial sun plants need 20-30W/sq ft, and full shade plants require 10-20W/sq ft of artificial light. The light source should be placed 12-36 inches above the plant, mimicking natural sunlight, and most plants need 8-12 hours of light per day.
What are the symptoms of light deficiency in Ferntree?
Ferntree, when not receiving sufficient sunlight, may exhibit symptoms like smaller new leaves, leggy or sparse growth, faster leaf drop, slower or stopped growth, and lighter-colored new leaves. In intense sunlight, it may suffer from chlorosis, sunscald, leaf curling, wilting, and leaf scorching. These symptoms indicate either insufficient light or too much direct sunlight.
How can I address Ferntree's light deficiency symptoms?
To address light deficiency in Ferntree: Indoors, gradually move the plant to a sunnier location each week until it receives at least 6 hours of direct sunlight daily, or use artificial light for at least 8 hours daily. Outdoors, also gradually move your plants to sunnier locations while avoiding sudden changes in light intensity to prevent sunburn. Minimize obstructions like trees by pruning them. For ground plants, consider transplanting during the dormant period to a location with ample sunlight and good drainage. Note that parts of the plant affected by insufficient sunlight may not recover, but new growth should be healthy with improved light exposure.
🌡️ Temperature 20–37.8°C
Ferntree adapts well to temperature, tolerating high heat and large temperature swings. In hot conditions, attention should be paid to watering and providing suitable shade to avoid sunburn. On the other hand, Ferntree is fairly intolerant of low temperatures. While it can endure some cold, excessively low conditions can result in frost damage.
💨 Humidity
🪴 Soil 6-7
🌱 Fertilizer
To encourage healthy growth, fertilize your Ferntree in early spring. Regular fertilization improves overall health, leading to vigorous growth, greater resilience in harsh conditions, and enhanced resistance to pests and diseases. Follow a specific fertilization schedule for your Ferntree to maintain vibrant foliage with deep color and a lush appearance.
Why should I add fertilizer to my Ferntree?
No matter what type of Ferntree you own, regular fertilization is crucial to ensure it maintains good overall health. Providing the right amount of nutrients will promote stronger growth and make your Ferntree more resistant to harsh growing conditions, as well as better equipped to fend off diseases and pests. Since the foliage of your Ferntree is one of its most appealing features, it's important to take steps to preserve it. This involves establishing and sticking to a consistent fertilization schedule tailored to the specific needs of your Ferntree. By doing so, your Ferntree will produce leaves that are richly colored and have a lush appearance.
When should I fertilize my Ferntree?
To promote healthy growth, it is recommended to fertilize your Ferntree for the first time in late winter or early spring. This will provide the necessary nutrients for the tree to thrive once the weather warms up. If you live in a warm climate region, it can be beneficial to give your Ferntree an extra round of fertilizer in early fall. This will not only enrich the soil with nutrients for the following growing season, but also make the tree more resilient to winter cold, reducing the risk of foliage damage. By fertilizing earlier, you ensure that the new branches have sufficient time to grow and withstand the winter conditions.
When is it not a good idea to add fertilizer to my Ferntree?
There are a few times of the year when you should avoid fertilizing your Ferntree. Firstly, during the early and mid-winter months, the plant will be dormant and does not require any feeding. Secondly, it is not recommended to fertilize the plant in late spring and throughout the summer. During this time, the weather tends to be hotter and drier, which can have a negative impact on the plant if it is fertilized. To prevent any issues, it is best to stick to a fertilization schedule that involves feeding only in early spring and early fall.
What kind of fertilizer does my Ferntree need?
Ferntrees primarily need nitrogen, but phosphorus and potassium are also important. A balanced fertilizer like 10-10-10 can be effective for providing all three nutrients, but a more specific ratio may result in better growth. Fertilizers with higher nitrogen content, like 10-6-4, often perform well. You can choose between granular or liquid fertilizers when feeding your Ferntree.
How should I add fertilizer to my Fern plant?
To fertilize your Ferntree, you have two options - granular fertilizer or liquid fertilizer. For granular fertilizer, simply sprinkle it on the soil at the right time. The slow-release feature of this type of fertilizer slowly releases nutrients into the soil over time. Before applying the granular fertilizer, it's a good idea to lightly water your Ferntree. On the other hand, liquid fertilizer is less commonly used. To use this approach, mix the fertilizer with water and then pour the mixture onto the soil around the base of your Ferntree. Before fertilizing, it can be beneficial to perform a soil test to check the pH and determine if any adjustments are needed.
🪴 Pot & Repot
✂️ Pruning
The Ferntree features lush, evergreen leaves and a wide canopy. To maintain its health and shape, it is best to prune the tree from early to late winter. When doing so, use sharp tools to remove dead branches and thin out dense areas. This practice enhances airflow and light penetration, strengthens the tree's structure, and helps to reduce pest problems.
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Tree
- Life Cycle
- Perennial
- Genus
- Filicium
- Family
- Sapindaceae
- Hardiness Zone
- 10-12
- Mature Height
- 6.1 m to 10.67 m
- Mature Spread
- 4.57 m to 7.62 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Flower Color
- White
- Flower Size
- 2.54 cm
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall, Mid fall
- Native Area
- Malawi, Sri Lanka, India, Mozambique, Madagascar, Ethiopia, Bangladesh, Kenya, Tanzania, Zimbabwe