Populus Simonii ‘Fastigiata’ (Upright Simon Poplar)
Populus Simonii ‘Fastigiata’ (Upright Simon Poplar)
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Populus Simonii ‘Fastigiata’ (Upright Simon Poplar) is a fast-growing deciduous tree valued for its tall, narrow form and elegant upright branching. Its columnar habit makes it a useful feature tree for larger gardens, avenues, boundary plantings, and landscape screening where height is needed without a very broad canopy. The foliage is glossy green through the growing season, with paler undersides that add movement and contrast in the breeze.
This variety is ideal for customers wanting a strong vertical statement tree with quick establishment and seasonal interest. In autumn, the leaves can turn yellow before dropping in winter, allowing sunlight into the garden during the cooler months. Best suited to open spaces with full sun and adequate root room, Populus Simonii ‘Fastigiata’ performs well as a specimen tree or planted in rows for formal impact, wind filtering, or large-scale landscape structure. It is a vigorous poplar, so avoid planting too close to paving, pipes, buildings, or small garden beds because its shallow, extensive roots can lift surface

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Mature height
10m – 15m approx.
Mature width
5m – 10m approx. with age; often narrower when young
Spacing
5m – 8m apart for avenue or screen planting
Evergreen/Deciduous
Deciduous
Foliage
Glossy dark green foliage with pale green to whitish undersides; yellow autumn tones; grey bark
Flowering Period & Fruit Development/Harvest
Spring, with small red catkins
Sun tolerance
Full sun
Maintenance
Low to moderate maintenance; prune when young to establish structure and remove damaged or crossing branches
Root System
Shallow, extensive root system; allow generous space away from paving, drains, pipes, and structures