Port Jackson Fig
Ficus rubiginosa
Ficus rubiginosa, commonly known as the Port Jackson Fig, is a striking evergreen tree native to Australia. Its lush foliage and adaptability make it a popular choice for indoor and outdoor gardens, providing a tropical feel and excellent air purification.
Everything it needs
9 essentials at a glance
Watering
Ficus rubiginosa prefers to be kept moderately moist.
Water when the top inch of soil feels dry, typically every 1-2 weeks. In the growing season (spring and summer), increase frequency, while in fall and winter, reduce to every 2-3 weeks. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause leaf drop and wilting.
Light
This plant thrives in bright, indirect light but can tolerate partial shade.
Ideally, it should receive 6-8 hours of light daily. Avoid direct sunlight, as it can scorch the leaves. If the plant is not receiving enough light, it may exhibit slow growth and leggy stems.
Soil
Ficus rubiginosa prefers a well-draining potting mix with a pH range of 6.0 to 7.0.
A mix of peat, pine bark, and perlite is recommended to ensure proper drainage. Ensure the pot has drainage holes to prevent water accumulation.
Humidity
This plant enjoys moderate to high humidity levels, ideally between 40-60%.
To increase humidity, consider using a humidifier or placing a tray of water with pebbles near the plant. Signs of low humidity include brown leaf tips and edges.
Temperature
Ficus rubiginosa thrives in temperatures between 60-75°F (15-24°C).
It is hardy in zones 10-12 and can tolerate brief periods of cooler temperatures, but prolonged exposure below 50°F (10°C) can damage the plant.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 10-10-10 during the growing season, every 4-6 weeks.
In fall and winter, reduce feeding to once every 2-3 months. Signs of nutrient deficiency include yellowing leaves and stunted growth.
Pruning
Prune Ficus rubiginosa in late spring or early summer to maintain its shape and encourage bushier growth.
Use clean, sharp pruning shears to remove any dead or damaged branches. Deadheading is not necessary, but removing any unsightly growth will keep the plant looking its best.
Repotting
Repot every 2-3 years or when you notice roots growing out of the drainage holes.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include stunted growth and water not absorbing properly. To repot, gently remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Propagation can be achieved through stem cuttings or air layering.
For stem cuttings, take a 4-6 inch cutting from a healthy stem, remove the lower leaves, and place it in water or a moist potting mix. Keep the cutting in a warm, humid environment until roots develop, which typically takes 4-6 weeks. Spring is the best time for propagation.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or insufficient light.
How to fix it
Check the soil moisture and adjust watering frequency. Move the plant to a brighter location if necessary.
Leaf drop
Why it happens
Sudden changes in temperature or humidity.
How to fix it
Maintain consistent environmental conditions and avoid placing the plant near drafts or heat sources.
Brown leaf tips
Why it happens
Low humidity levels.
How to fix it
Increase humidity by misting the leaves or using a humidifier.
Pests (e.g., spider mites, scale)
Why it happens
Dry indoor conditions or stress.
How to fix it
Inspect regularly, and treat infestations with insecticidal soap or neem oil.
Root rot
Why it happens
Over-watering or poor drainage.
How to fix it
Reduce watering frequency and ensure the pot has adequate drainage. If rot is present, repot the plant in fresh soil.
Care through the year
Spring
In spring, increase watering frequency as the plant begins to actively grow. Fertilize every 4-6 weeks with a balanced fertilizer.
Summer
During summer, ensure the plant receives adequate light and humidity. Water regularly, keeping the soil moist but not soggy.
Fall
In fall, gradually reduce watering as the plant's growth slows. Continue to fertilize every 6-8 weeks until late fall.
Winter
In winter, water less frequently, allowing the soil to dry out more between waterings. Keep the plant in a warm location away from drafts.
Toxicity & Safety
Ficus rubiginosa is mildly toxic to pets, particularly cats and dogs. The sap can cause skin irritation, and ingestion may lead to gastrointestinal upset. Symptoms include vomiting and diarrhea. Keep out of reach of children and pets.
Good to know
Why are my Ficus rubiginosa leaves turning yellow?
Yellow leaves can indicate over-watering or insufficient light. Check the soil moisture and ensure the plant is receiving adequate light.
How often should I water my Port Jackson Fig?
Water your Ficus rubiginosa when the top inch of soil feels dry, typically every 1-2 weeks, adjusting frequency based on the season.
What is the ideal light for Ficus rubiginosa?
This plant thrives in bright, indirect light for 6-8 hours daily. Avoid direct sunlight to prevent leaf scorch.
How can I increase humidity for my Ficus rubiginosa?
Increase humidity by misting the leaves, using a humidifier, or placing a tray of water with pebbles near the plant.
When is the best time to prune my Port Jackson Fig?
Prune in late spring or early summer to encourage bushier growth and remove any dead or damaged branches.
How do I propagate Ficus rubiginosa?
You can propagate through stem cuttings. Take a 4-6 inch cutting, remove lower leaves, and place it in water or moist potting mix.
What should I do if my Ficus rubiginosa has root rot?
If root rot is present, reduce watering frequency and repot the plant in fresh, well-draining soil to promote recovery.
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