Ficus macrophylla, commonly known as the Moreton Bay fig, is a large, evergreen tree native to eastern Australia. It belongs to the fig family and can grow up to 60 meters tall, with a trunk diameter reaching up to 2 meters. The leaves are large, glossy, and have a leathery texture, measuring up to 30 centimeters in length. The tree produces small, greenish-yellow fruit.
The Moreton Bay fig is widely planted as an ornamental tree due to its impressive size and attractive foliage. It also holds cultural significance for Indigenous Australians, who used its bark for making rope.
For optimal growth, this species requires full sun or partial shade and well-drained soil. While it can tolerate drought conditions, it prefers regular watering during dry periods.
This tree is fascinating for several reasons. It can grow to an immense size and has distinctive, spread-out buttressed roots, making it suitable for large public parks and the most spacious gardens. Like other fig trees, the Moreton Bay fig relies on a single species of small fig wasp, Pleistodontes froggatti, to pollinate its flowers. In turn, the wasp depends on the fig's flowers for reproduction. FUN FACT · FROM THE LIBRARY
The dense foliage of the Moreton Bay fig provides important habitat for wildlife, including birds, bats, possums, and insects. However, in some areas outside its native range, it can become invasive.
Overall, Ficus macrophylla is a remarkable tree that offers both aesthetic value and ecological benefits when grown under suitable conditions within its natural range or carefully managed outside of it.
The Moreton Bay fig gets its common name from Moreton Bay in Queensland. Its natural range extends from the Wide Bay–Burnett region in Queensland in the north to the Illawarra region in New South Wales in the south. As for the second part of its name, the Moreton Bay fig belongs to the fig genus and produces a large number of small green figs that are readily eaten by wildlife.
The Moreton Bay fig has strong resistance to disease and is generally not prone to illnesses. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs little watering, and larger plants typically do not require pruning. However, smaller plants should be pruned after they have finished blooming. The Moreton Bay fig is suitable for anyone with an outdoor area, such as a garden or deck, and does not demand extensive care experience.
How to keep Ficus Macrophylla.
Light
The moreton bay fig does best beneath an unobstructed sky, taking in sunlight to maintain optimal health and growth. Coming from habitats with abundant light, this plant endures little shade. Excessive sun can bleach its leaves, while too little can cause stunted growth or wilting.
Water
The Moreton Bay fig, native to coastal rainforests, thrives in humid environments but also shows a moderate tolerance for drought. Water it every 2-3 weeks, allowing the soil to dry out slightly between waterings. This plant does best outdoors, particularly in climates where the rainfall matches its watering requirements.
Temperature
Moreton bay fig is adapted to warm conditions, being native to a subtropical climate and preferring temperatures of 68 to 100 °F (20 to 38 ℃). In colder seasons, it is advisable to move the plant to a warmer location to satisfy its temperature requirements.
Fertilizer
Fertilizing is essential for the care of a Moreton Bay fig. Regular feeding during the growing season helps maintain the energy needed for its showy leaves and supports overall growth. Neglecting fertilization can result in unhealthy leaves, reduced ornamental appeal, and stunted or weak growth that is prone to breakage.
Pruning
The Moreton Bay fig is a large evergreen tree that benefits from winter pruning. This process involves removing dead or diseased branches and thinning the canopy to allow more light to penetrate. Proper pruning not only enhances air circulation but also reduces the risk of disease. Additionally, it helps maintain the tree's health and appearance while preventing the stress that can result from excessive pruning.
Botanical profile.
Other names.
Reader questions.
How should I water my Moreton bay fig tree properly?
Watering your Moreton bay fig is a simple task that doesn't require any special tools. You can use a watering can, hose, or even a cup to moisten the soil. It's important to water directly on the soil, making sure to evenly wet all areas so the entire root system gets the necessary moisture. Using filtered water is recommended since tap water might have harmful particles. Also, it's best to use water at room temperature or slightly warmer, avoiding extreme cold or hot temperatures which can shock the plant. However, the Moreton bay fig is generally tolerant of different water types.
Why do I have to put fertilizer on my Moreton bay fig?
Regular fertilization is crucial for Moreton bay fig trees because their showy leaves require a significant amount of energy for production and maintenance. It's important for these trees to allocate enough energy not only to keep their leaves healthy but also to support the growth of stems, branches, roots, and other vital structures. Neglecting fertilization can lead to two likely outcomes. Firstly, the leaves may lose their natural color and texture, resulting in an overall unhealthy appearance that diminishes the tree's ornamental appeal. Secondly, the tree's growth may slow down or produce weak growth that is susceptible to breakage.
What are the sunlight requirements for Moreton Bay Fig?
The Moreton Bay Fig requires full sun, which means it needs above 6 hours of sunlight daily to thrive optimally. It's crucial to observe the movement of sunlight through your garden to select spots that offer a perfect balance of light and shade, ensuring the plants' well-being. The tree originates in environments with abundant light and has a low tolerance for shadowy conditions. Overexposure can bleach the leaves, while inadequate sunlight can cause growth stunting or wilting.
What is the ideal temperature range for Moreton bay fig?
The Moreton bay fig thrives in a warm, subtropical climate, preferring temperatures between 68 to 100 °F (20 to 38 °C). It is extremely heat-loving, and exposure to cold temperatures can harm the plant. During colder seasons, it's suggested to move the plant to a warmer spot indoors, preferably near a brightly-lit window but away from direct heat sources. It's crucial to maintain temperatures above 20°C during winter since temperatures nearing 0°C can be detrimental to the plant.
What should I do if I give my Moreton bay fig tree too much or too little water?
For outdoor plants, especially newly planted ones or seedlings, lack of watering can be a problem. It's important to water them consistently for a few months, especially when the tree is small or recently planted. After the roots have established, the Moreton bay fig can rely on rain most of the time. When your Moreton bay fig is in a pot, there is a higher possibility of overwatering. If you accidentally overwater your plant, you should act immediately to fix the situation. First, stop watering the plant to minimize the effects of overwatering. Then, remove the Moreton bay fig from its pot and check the roots. If there is no sign of root rot, you can put the plant back in its container. However, if you find any roots affected by root rot, trim them away and consider applying a fungicide to prevent further damage. Lastly, repot the Moreton bay fig in well-draining soil. In the case of underwatering, simply water the Moreton bay fig more frequently. This is an easy fix. If you notice drooping, drying, and falling leaves, watering the plant adequately will quickly restore its fullness. Adjust your watering frequency as soon as you realize your plant is being underwatered.
What is the ideal time to fertilize my Moreton bay fig tree?
The Moreton Bay fig can benefit from occasional feedings, so there's no need to set a regular feeding schedule when planting these plants. One simple way to fertilize your Moreton Bay fig is to apply the fertilizer when you water it from time to time. During the growing season, the Moreton Bay fig will also require a good amount of water. You can feed the plant once every two to three weeks to ensure it receives enough nutrients. It's important to maintain this feeding rate throughout the entire period when the plant is producing new growth.
How do you use artificial lighting for Moreton Bay Fig plants indoors?
For indoor Moreton Bay Fig plants, artificial lighting becomes essential when natural sunlight is insufficient, especially during winter or in less sunny spaces. LED lights are recommended due to their ability to provide specific wavelengths required by the plants. The necessary amount of artificial light varies depending on the plant's sunlight needs: full sun plants require 30-50W/sq ft, partial sun plants 20-30W/sq ft, and full shade plants 10-20W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and most plants will need 8-12 hours of light per day.
What are the symptoms of low temperature exposure in Moreton bay fig, and how can it be managed?
Moreton bay fig is sensitive to cold, showing symptoms of distress when exposed to temperatures below its preferred range. If the temperature falls below -5°C, you might notice the leaves lightening in color, which after frost damage, could gradually turn brown or black accompanied by wilting or drooping. To manage this, trim off the frost-damaged parts and move the plant to a warmer indoor spot. Positioning the plant near a south-facing window ensures ample sunlight, but keep it away from heaters or air conditioning vents to avoid dry air.
How frequently do I need to water my Moreton bay fig?
Most outdoor plants can grow naturally with rainfall, but if your area lacks rainfall, you should water your plants every 2 weeks in the spring and fall, and more frequently in the summer. In the winter, when growth slows down and plants need less water, you can water them less often or not at all. However, if you have a young or newly planted Moreton bay fig, you should water it more frequently to help it establish and grow. For potted plants like the Moreton bay fig, there are two ways to determine how often to water them. The first way is to set a predetermined watering schedule, but this may not always be effective as it doesn't consider the specific conditions of your plant's environment. The other option is to monitor the soil moisture and water when the top two to four inches of soil have dried out completely. This is especially important during the summer when the plant's water needs are higher.
When should I not add fertilizer to my Moreton bay fig plant?
For most of the year, you can fertilize your Moreton bay fig on a regular schedule. This includes spring, summer, and early fall when the plant is actively growing. However, during winter, it is important to avoid fertilizing the plant. During this time, the Moreton bay fig enters a dormant phase where little to no new growth occurs. Since the plant is using less energy during this period, there is no need for fertilizer.
What are the symptoms of insufficient light in Moreton Bay Fig?
Symptoms of light deficiency in Moreton Bay Fig include smaller new leaves, leggy or sparse growth, fast leaf drop, slower or no new growth, lighter-colored new leaves, chlorosis, sunscald, leaf curling, wilting, and leaf scorching. These symptoms can indicate either too much or not enough light, with each affecting the plant's health in different ways, from affecting the photosynthesis process to the physical appearance and strength of the plant.
How does high temperature affect Moreton bay fig, and what are the solutions?
In the summer, it is important to keep Moreton bay fig's exposure to temperatures below 38°C. Exceeding 43°C can cause the leaves to lighten and increase susceptibility to sunburn. To mitigate this, trim away the sunburned and dried sections of the plant. Relocate it to an area shaded from the midday and afternoon sun. Watering the plant in the morning and evening will help keep the soil moist, further preventing heat stress.
