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Pistacia atlantica x integerrima
This colourful, deciduous pistachio tree, Pistacia atlantica x integerrima, is widely used in landscaping thanks to its ornamental and functional benefits as a shade tree. It is a hybrid species resulting from a cross between Pistacia atlantica and Pistacia integerrima. It is widely recognised for its superior vigour, disease resistance and adaptability to challenging growing conditions such as pollution, compact soils and variable seasonal water conditions, as well as salinity and cold. As a drought-tolerant, low-maintenance tree, it thrives in full sun with well-drained soil, making it ideal for xeriscaping and water-wise landscaping in southern Portugal. As well as these physical strengths, Pistacia atlantica x integerrima is renowned for its vibrant foliage colours. It emerges reddish in spring, resembling Photinia, and matures to a rich, dark green in summer. In autumn, the leaves turn vibrant shades of yellow, orange and red; the exact colours depend on local temperature changes.
Upright when young, maturing into a broad, rounded, or globular canopy. Young trees may appear misshapen but develop a symmetrical form with age and proper pruning.
Note - Illustrations are of Chinese Pistache and P. atlantica, they are indicative of Pistacia atlantica x integerrima form and colour.
Where to plant and more information
Pistacia atlantica x integerrima prefers deep, well-drained soils; sandy loam is optimal. It thrives in a neutral to slightly alkaline pH range and can tolerate saline soils and drought once established. However, it does not tolerate waterlogged conditions. Algarvian clay soils, particularly those that are wet in winter, are probably not ideal; however, it lends itself well to planting on slopes and terraced land where soil is built up behind stone walls. This provides ideal conditions for the pistachio tree because the soil is deeper and less compacted, and the terrace acts as a water catchment area when it rains.
Pistacia atlantica x integerrima has a broad, dense canopy and is commonly used in arid zones of the USA as a shade tree in parks, gardens, and around homes. Once mature, its deciduous nature enables it to provide good summer shade while allowing winter sunlight through when planted on the south or west-facing sides of buildings, thereby aiding passive solar heating. The seasonal colours — red new growth in spring and red to yellow foliage in autumn — make it a popular focal point or specimen tree with garden designers. The tree is non-allergenic, produces small ornamental nuts, but does not produce edible pistachio nuts. However, some evidence suggests that caution should be exercised as the leaves may be toxic to horses.
How to use our online shop
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You can make an order by selecting plants with quantities and putting them in your Shopping Bag.
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By placing an order you are not obligated to purchase the plants online and you will not be asked for any payment at this stage.
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We will confirm prices, availability and delivery/collection dates with you by email.
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Only when all the details of your order are agreed, will we send you an agreed Factura/Invoice and request payment from you.
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Once an order is agreed we require a 50% payment to secure the plants. Plants in the shopping basket are not reserved until an order is placed.
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Availability - the store contains 3 availability categories
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Plants ready for despatch, collection within 14 days
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Plants we have but they are still growing into their containers. These are offered for reservation and will be released once they are ready. An estimated date for their availability is given.
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Plants that we only hold a limited stock of, or only propagate occasionally or on demand. This also includes plants we are going to propagate in the near future.
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Read more on our plant availability and advance orders here​
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