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Olea europaea
Approx. 150–200 cm tall
Plant Highlights: Distinctive cloud-pruned (Niwaki) form • Evergreen silver-grey foliage • Architectural Mediterranean character • Ideal for feature pots and formal gardens • Year-round structure
Olea europaea, commonly known as the Olive Tree, is an elegant evergreen specimen prized for its beautiful silver-grey foliage and characterful bark. This expertly cloud-pruned (Niwaki) form features a series of rounded pompon-shaped heads, each approximately 20 cm in diameter, creating a sculptural focal point that brings Mediterranean style and Japanese-inspired garden design together.
Supplied at approximately 150–200 cm tall, this architectural specimen is ideal for framing entrances, patios and terraces or providing year-round structure within formal and contemporary planting schemes. As the tree matures, its smooth grey bark gradually develops the beautifully gnarled character for which olive trees are renowned.
| Attribute | Information |
|---|---|
| Botanical Name | Olea europaea |
| Common Name | Olive Tree |
| Plant Type | Evergreen specimen tree |
| Form | Cloud-pruned (Niwaki) pompon specimen |
| Supplied Height | Approximately 150–200 cm |
| Pompon Size | Approximately 20 cm diameter per cloud |
| Foliage | Evergreen silver-grey leaves |
| Flowers | Small creamy-white flowers in late spring to early summer under favourable conditions |
| Growth Habit | Upright trunk with sculptured cloud-pruned canopy |
| Position | Full sun |
| Soil | Fertile, sharply well-drained soil or free-draining container compost |
| Mature Size | The natural growth of the tree is controlled through regular maintenance pruning to retain its cloud-pruned form. |
| Hardiness | Hardy in sheltered Irish gardens (approximately RHS H4). Protect from prolonged severe frost and avoid cold, waterlogged soils, particularly when grown in containers. |
Plant in a warm, sheltered position in full sun. A south- or west-facing location encourages healthy growth and maintains the best foliage colour. Ideal for sheltered patios, courtyards and coastal gardens.
Water regularly during the first growing season while the tree establishes. Container-grown specimens require more frequent watering during warm weather. Once established in the ground, olive trees are drought tolerant but benefit from occasional deep watering during prolonged dry periods.
Grow in fertile, sharply well-drained soil. When planting in containers, use a free-draining compost and ensure excess water can drain away freely. Avoid prolonged winter wet around the roots.
This olive tree is hardy in many sheltered Irish gardens but benefits from protection during prolonged severe frost. Container-grown specimens are more vulnerable and should be moved to a sheltered position or protected with horticultural fleece during exceptionally cold weather. Good drainage is essential throughout winter.
Maintain the distinctive cloud-pruned (Niwaki) shape by clipping new growth once or twice each year, typically in late spring and again in late summer if required. Remove any shoots growing from the trunk or below the shaped heads to preserve the clean architectural outline.
Cloud-pruned (Niwaki) olives require regular maintenance pruning to preserve their distinctive pompon shape. Without annual trimming, the tree will naturally produce vigorous new growth and gradually lose its sculptural form. Flowering may occur in late spring to early summer, but fruit production in Ireland depends on favourable growing conditions and is not guaranteed.
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