Apple box (Eucalyptus bridgesiana)

Also known as: Apple Box, But But

The Apple Box tree, scientifically known as *Eucalyptus bridgesiana*, is an Australian eucalypt recognized for the exceptional honey produced by bees from its flowers. Named in honor of Frederick Bridges (1840–1904), a distinguished Australian education officer, this tree has notably softer wood compared to other eucalypts, making it less ideal for firewood and timber.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Apple box

Lifespan

Perennial

Plant Type

Tree

Plant Height

20-25 meters

Spread

10-15 meters

Leaf Color

Dark green to grey-green

Flower Size

1-2 cm

Flower Color

White

Images of Apple box

Quickly Identify Apple box

Eucalyptus bridgesiana can be identified by its rough, fibrous bark on the trunk and larger branches, smooth bark above, and lance-shaped adult leaves. The tree also produces small white flowers clustered in groups.

Scientific Classification of Apple box

Phylum

Vascular plants

Class

Dicotyledons

Order

Myrtales

Family

Myrtle

Genus

Eucalypts

Species

Apple box

Planting and Growing of Apple box

Care Difficulty

Moderate

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

50-77℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Terracotta

How to Water Apple box?

For Eucalyptus bridgesiana, the principle of watering is to ensure that the soil remains moist but not waterlogged. Water the tree deeply, allowing the water to penetrate the soil around the root zone. Approximately 500 ml per watering should be sufficient for young trees, while mature trees require additional water to maintain optimal health and growth.

What are the symptoms of an underwatered Apple box? ›

What should I do if my Apple box is not getting enough water? ›

What are the symptoms of an overwatered Apple box? ›

How to save an overwatered Apple box? ›

What Are the Sunlight Requirements for Apple box?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Eucalyptus bridgesiana thrives in full to partial sun conditions, with advantages including vibrant foliage and enhanced photosynthetic activity leading to stronger growth.

Optimal Time for Sunlight Exposure ›

Adjusting Sunlight in Varied Seasons ›

Ensuring Even Sunlight Distribution ›

What Is the Ideal Temperature Range for Apple box?

Ideal Temperature: 50 ~ 77℉

Eucalyptus bridgesiana thrives best within a specific temperature range that balances its physiological processes. The ideal temperatures, ranging from 50°F to 77°F, support optimal growth, photosynthesis, and water retention. At these temperatures, the plant can maintain its metabolic functions efficiently, using nutrients effectively to support its structural development and resilience to pests and diseases.

What Soil is Best for Apple box?

Soil type: Loam, Sandy loam, Clay soil

Soil PH: 6.5 ~ 7.5

Eucalyptus bridgesiana thrives in well-drained soils which prevent waterlogging. This helps in averting root rot and ensures the plant gets adequate oxygen, aiding healthy root development. The plant prefers nutrient-rich soil that provides essential minerals and nutrients, fostering robust growth and improving resilience against pests and diseases. Soils that hold moderate moisture ensure a steady supply of water to the plant without saturation, promoting a healthy balance for optimal growth.

How to Fertilize Apple box?

Fertilizer type: Balanced

Eucalyptus bridgesiana prefers light fertilization. A general guideline is to apply about 100-150 grams of slow-release fertilizer per plant annually, as these trees are native to nutrient-poor soils and typically require less fertilization compared to more demanding species.

How to Prune Apple box?

Pruning Time: Spring, Summer, Autumn, Winter

Ensure you have sharp, clean pruning shears, loppers, or a saw, depending on the branch size. Disinfect your tools with alcohol to prevent spreading any disease among plants. Begin by identifying and removing any dead, broken, or diseased branches. This prevents disease spread and promotes new growth. This tree also benefits from removing any branches that cross or rub against each other. Prune branches to open up the tree's canopy, improving air circulation and exposure to sunlight. Focus on maintaining the tree’s natural shape and balance while promoting a strong structure. When cutting, make clean, angled cuts just outside the branch collar. This helps the tree to heal quickly and reduces the risk of infection. Avoid leaving stubs or cutting into the trunk. More About Pruning Techniques→

How to Propagate Apple box plant?

Propagate Time: Spring, Early spring, Late spring

Collect mature seeds from the Eucalyptus bridgesiana's seed capsules. Allow the capsules to dry and open naturally to release the seeds. This ensures that the seeds you plant are mature and viable.

Use a well-draining, sterile seed-starting mix. Fill seed trays with this mix, leaving about 1 cm from the top for watering. This mixture provides a clean environment, reducing the risk of damping-off.

Select healthy, disease-free stems from an established plant, ideally 10-15 cm long. Make a clean cut just below a node, remove lower leaves, and use a rooting hormone. Properly prepared cuttings have a higher chance of rooting successfully.

More About Propagating Techniques→

How to Repot Apple box plant?

Repotting frequency: Every 2-3 years

You'll know it's time to repot Eucalyptus bridgesiana when you see roots coming out of the drainage holes or the plant's growth starts to slow down. Another sign is the soil drying out quickly after watering, indicating the plant has outgrown its pot.

Select a container that is about 2 inches larger in diameter than the current pot. This provides enough space for root expansion while avoiding an overly large pot that can lead to water retention and root rot. Ensure the pot has ample drainage holes.

Opt for a well-draining loamy soil mix that retains some moisture but doesn’t stay soggy. A balanced mix facilitates root growth and prevents the roots from sitting in water, which can cause root rot and stunt the plant's growth.