Eucalyptus pilularis
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Eucalyptus pilularis

Woolly gum · Blackbutt · Blackbutt eucalyptus

Tier 1 Difficulty: easy Water: low Light: full_sun
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 9–11
Click count
91
Observations
15

Description

Source: leafsnap

Eucalyptus pilularis, commonly known as blackbutt, is a species of medium-sized to tall tree that is endemic to eastern Australia. It has rough, finely fibrous greyish bark on the lower half of the trunk, smooth white, grey or cream-coloured bark above, lance-shaped to curved adult leaves, flower buds in groups of between seven and fifteen, white flowers and hemispherical or shortened spherical fruit.

Care Guide

💧 Water

Blackbutt, a tree native to Australia's diverse ecosystems, thrives in moderate humidity and can withstand periods of drought. For optimal growth, it should be watered weekly. This evergreen species requires consistent moisture, especially when grown outdoors, to reach its full height.

☀️ Light Full sun

Blackbutt grows naturally in open habitats, like sunny meadows and forest edges, where light is plentiful. It prospers in Full Sun but can also tolerate Partial Sun, adapting well to a range of sunlight conditions.

Ideal: Full sun
FAQ
How much sunlight does a Blackbutt (Eucalyptus pilularis) need?

The Blackbutt (Eucalyptus pilularis) requires full sun conditions, meaning it needs above 6 hours of sunlight daily. It can also thrive in partial sun with about 3-6 hours of sunlight. It is important to observe how sunlight moves through your garden throughout the day to choose the best spots that offer a good balance of light and shade, ensuring your Blackbutt plants stay happy and healthy.

🌡️ Temperature 20–37.8°C

Blackbutt is highly adaptable to a range of climate conditions, from blazing summers to frosty winters. Nevertheless, it has a preferred temperature range for healthy growth. If temperatures become too high, the plant is susceptible to heat and humidity stress, which can be fatal. In areas where temperatures approach the lower end of its cold tolerance, it is necessary to use insulation measures to protect the plant.

Ideal temperature: 20–37.8°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

Fertilize your Blackbutt in early spring to encourage healthy growth. Consistent feeding improves its overall health, producing vigorous growth, increased tolerance of harsh conditions, and enhanced resistance to pests and diseases. Keep a defined fertilization routine for your Blackbutt to maintain lively foliage with rich color and a full, lush look.

🪴 Pot & Repot
✂️ Pruning

Blackbutt is an evergreen tree known for its tall stature and resilience. Pruning during the winter, from early to late season, helps maintain the tree's health and safety by removing dead branches and thinning the canopy. This process improves light access and reduces the risk of fungal infections.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree
Life Cycle
Perennial
Genus
Eucalyptus
Family
Myrtaceae
Hardiness Zone
9-11
Mature Height
70.1 m
Mature Spread
7.92 m to 10.06 m
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Color
White
Flower Size
1.02 cm to 1.52 cm
Bloom Time
Mid summer, Late summer, Early fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid fall, Late fall, Early winter

Tags (4)

Common Names (3)

en Woolly gum
en Blackbutt
en Blackbutt eucalyptus