Forest redgum
Eucalyptus tereticornis · Myrtaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around forest redgum and prepare for winter.
ID card
- Foliage
- Evergreen
- Flowering
- Summer to autumn, white flowers in umbels
- Mature size
- 15 to 25 m in height, upright and slender form
- Growth rate
- Fast
- Hardiness
- Warm temperate to Mediterranean zones (down to −5 °C)
- Origin
- Eastern Australia (New South Wales, Queensland)
- Soil type
- Well-drained, drought-tolerant
Care
Sunlight
Eucalyptus tereticornis thrives in full sun, where it develops its optimal form. Avoid overly shaded areas that would slow its growth. Direct sun exposure also encourages flowering and foliage density.
Watering
Water regularly during the first three years after planting to encourage deep root establishment. Once established, this eucalyptus is very drought-tolerant thanks to its well-developed root system. In dry climates, occasional watering during hot periods is sufficient.
Soil and drainage
Well-drained soil is essential to prevent root rot. This tree adapts to poor or slightly acidic soils. Improve heavy soil with sand or gravel when planting.
Pruning and structure
Little intervention is needed in mature trees. Remove dead, diseased, or obstructive branches. Light pruning in late winter maintains a balanced form, especially if the tree is exposed to wind.
Nutrition
Undemanding, this eucalyptus requires no regular fertilization. An application of well-decomposed compost or balanced fertilizer in spring of the second year stimulates establishment. Gradually reduce to promote hardiness.
Health and prevention
Generally hardy against common pests and diseases. Ensure good drainage to prevent root rot. In very humid climates, watch for powdery mildew; improve air circulation through moderate pruning.
Did you know?
Eucalyptus tereticornis, known as 'Forest Red Gum' in Australia, is prized for its reddish, very dense wood used in framing and joinery. Its natural essential oil gives the foliage a characteristic scent and is part of traditional pharmacopeia. This tree also provides excellent habitat for Australian wildlife and is progressively establishing itself in European Mediterranean regions.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Blue gumEucalyptus globulus
- MyrtleMyrtus communis
- MānukaLeptospermum scoparium
- Strawberry guavaPsidium cattleianum
- Snow gumEucalyptus pauciflora
- Woolly TeatreeLeptospermum lanigerum
Tips generated and checked by Viridia — adapt them to your local climate.