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Media release: Treescaping for Urban Spaces

Treescaping for urban spaces with mature trees.

Written by Suzanne-Francoise Rossouw-Moss 

Released in Prolandscaper Africa, February 2020 Edition.

In August 2018, we introduced the readers of Prolandscaper to the concept of “Treescaping” – a specialization within the discipline of Landscaping. In short, it is the art of selecting and successfully installing a large tree for any given type of garden, which requires the combined knowledge of Arboriculture and Landscaping. Our guide to trees for residential gardens was published in the May 2019 edition, and this month we take a closer look at trees suitable for Urban Spaces.

 

Read the two editions below.

 

Trees for Residential Landscapes

Treescaping: Concepts and Challenges

The key is to assess the type of site and then apply the trees that will thrive there. Herewith a few examples of sites and the trees that will be better suited.

 

Corridors between high-rise buildings – focusing on Cupressus sempervirens Stricta (Italian cypress):

This evergreen conifer with dark green foliage colour is valued for its easy cultivation, fast growth habit and suitability to a wide variety of climatic conditions, which includes coastal wind, frost and drought tolerance. The erect and slender growth habit of this columnar tree makes it a perfect option to utilise for many different purposes. In the urban environment it works well for planting in corridors between high-rise buildings, screening between neighbouring properties and even a focal point in a more formal landscape.

Other species include: Populus simonii, Liquidambar styraciflua, Platanus acerifolia (pollarded), Syzygium guineense, Quercus ilex (high wind tolerance), Celtis sinensis, Afrocarpus falcatus, Vachellia xanthophloea

Sidewalks – look at the Quercus cerris (Turkish Oak):

 

The Turkish oak is an elegant, quick- growing ornamental tree. It has very upright growth habit, becoming a medium to large tree for 10-20m tall depending on the space available. Oaks prefer growing in areas where winters are cold, and the rainfall is high during the year. Often used cities or towns as a tree for parks or on roads sides. Often planted as a replacement oak variety to the English oak due to its dark green foliage that closely resembles that of the English oak. According to information supplied by the arborists based in Gauteng this species is not susceptible to shot hole borer beetle.

Other species to consider: Harpephyllum caffrum; Syzygium cordatum; Syzygium guineense; Quercus palustris; Ficus microcarpa; Quercus ilex; Afrocarpus falcatus; Celtis sinensis

Parks and public spaces – consider the Ulmus parvifolia (Chinese Elm):

 

The Chinese Elm is an attractive deciduous tree, very often planted in parks and public spaces as an ornamental shade tree, similar in look and growth habit to the Celtis sinensis. The tree has a delicate appearance when looking at its mid-green serrated leaves and thin branch tips. Its fast growth speed and adaptability to a variety of soil types makes it an easy choice for any landscape. The tree has been found to be fairly drought tolerant, frost hardy and can grow in strong wind conditions. 

Many other options are available for our beautiful parks. Also look at the following: Trichilia emetica; Plantanus acerifolia; Quercus suber; Quercus nigra; Searsia penduline; Vachellia xanthophloea; Pinus pinea; Nuxia floribunda; Afrocarpus falcatus; Combretum erythrophyllum; Ficus natalensis; Erythrina caffra; Erythrina lysistemon; Betula pendulina; Aloidendron barberaea; Quercus rubor; Taxodium distichum; Vachellia sieberiana; Syzygium cordatum; Ekebergia capensis; Searsia lancea; Jacaranda mimosifolia

Why are certain tree species so common in different areas? 

Trademark Trees that come to mind with this statement are the Jacarandas of Pretoria; the Oaks of Stellenbosch, the Yellowwoods of George. Often chosen for their beauty a long time ago (rather than their suitability) these tree species have had to their environment and therefore become a common choice as “street trees” for certain towns.

 

But which tree can do it all?

 

One of the most versatile tree species you can find for the urban environment, is thought to have originated in Spain, as a hybrid breed between Platanus orientalis & Platanus occidentalis, known as Platanus x acerifolia.

 

This is a moderate to fast growing tree with an upright pyramid shape, dense canopy and a worldwide popularity for urban environments! This seasonal tree prefers cooler climates but can adapt to warmer temperatures and extremely poor soil conditions, which includes environmental salts. It is best planted in the full sun and can grow in both dry & moist locations with no real preference for soil pH. The Plane tree survives and even thrives in city environments due to its high tolerance to air pollution. Further benefit to this hybrid variety is its disease resistance, minimal branch-dropping or decaying characteristic, and the fact that is drought tolerant. Due to limited space in the city environment and the fact that the Plane trees can get very big, the practise of pollarding is often implemented. Widely popular in European countries, pollarding of Plane trees becomes an annual affair and various pollarding styles can be achieved on these trees due to their adaptability to regular pruning. Many a city or town in South Africa also proudly feature this tree species in its streets. Just in the Western Cape alone you will find avenues in Cape Town, Constantia & Stellenbosch.

Every site has its own unique qualities. We urge you to contact your local Arborist or tree nursery for further advice and recommendations.

Love your tree – choose wisely.

 

 

 

Visit one of our tree nurseries and choose from our wide range of trees. We’ll deliver. We’ll plant. You’ll transform your landscape almost overnight.

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