Trees

A living museum

Each year, in November and March depending on the species, the Arboretum introduces new species to its site. Over the years, this living tree museum has been enriched with many hardwoods.


Since its creation, more than 400 trees have been planted including 137 exotic species, successfully acclimatised.


A directory of spontaneous or introduced trees, shrubs and shrubs, produced by Dr Henri Sandoz and Dr Guy Aubert is available for download in the scientific committee section.(Lien Rubrique).

Spontaneous essences

Two colonizing species - which have allowed the installation of other woody species - predominate on the Arboretum, Scots Pine and European Larch.


Scots Pine(Pinus sylvestris L.)

Frugal and hardy, it can withstand significant temperature variations, which explains its wide Euro-Siberian distribution and its wide altitudinal distribution.


European Larch (Larix europaea DC. = Larix decidua Miller)

Very resistant to cold, Larch is a continental forest species in full light that likes a dry atmosphere and strong insolation. It is found up to more than 2600 m altitude. The Larch is the only one of our native Conifers to shed its leaves into dazzling needles of yellow hues in Autumn. In spring, it puts on its soft, tender green foliage enhanced by the appearance of young female cones of a superb fuchsia red. Larch has a very long life: it can reach up to a thousand years old!


N.B. More details in the Scientific Committee section: « "The forest species of the Roure Arboretum" » By Henri SANDOZ.(Lien Rubrique)

Les essences introduites

Depuis les premières plantations en 1988, ce sont plus de 130 essences qui ont été introduites sur le site de l’Arboretum. Pins, sapins, mélèzes, cèdres, épicéa et douglas représentent largement la famille des Abiétacées or Pinacées et montre la surprenante diversité du vivant.

Les Erables

Les pays dont ils proviennent sont aussi variés que leurs formes et leurs couleurs. Le visiteur pourra découvrir l’aire aux érables, des arbres provenant de tous les continents. Sont présentes des variétés du Canada, du Caucase, de Chine, du Japon, d’Amérique, et d’Europe.

Le Pin Mugho

Malgré sa modeste taille, et son port très particulier, le Pin mugho (ou pin nain) doit être considéré comme une essence forestière et non comme un simple végétal buissonnant. Son espèce est protégée depuis 1982. Il est le Pin des neiges européen.

Télécharger la fiche du Pin Mugho réalisée par le Dr Henri Sandoz

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Also present spontaneously

Among others (including natural regenerations of woody species):

Thewhite service tree or mountain ash (Sorbus aria (L.) Crantz) and the mountain ash (Sorbus aucuparia L.).

The Common Chestnut or Sweet Chestnut (Castanea sativa Mill.) whose chestnuts, especially rich in carbohydrates, constitute an

excellent food and whose wood offers multiple technological qualities. It can live up to 1000 years or more.

The Downy oak (Quercus pubescens Willd.) et le Chêne sessile (Quercus petraea (Matt.) Liebl.).

TheTall spruce (Picea abies (L.) Karsten = Picea excelsa (Lam.) Link) which can live 400-500 years and reach 50 m in height.

TheThe Field Maple (Acer campestre L.), TheObier leaves Maple (Acer opalus Mill.), theThe Sycamore Maple (Acer pseudoplatanus L.).

The Common Juniper or Juniper (Juniperus communis L.), the Oxycedar Juniper or Cade (Juniperus oxycedrus L.) and the Phoenicia Juniper (Juniperus phoenicea L.).

The Cherry, Plum or bird cherry (Prunus avium L. = Cerasus avium (L.) Moench).

The The Royal Walnut or Common Walnut (Juglans regia L.).

The Silver fir or white fir (Abies alba Mill. = Abies pectinata (Lam.) DC.) which can reach 45-50 m in height and which can live 400, even 500 years.

The Broad-leaved Linden or Large-leaved Linden (Tilia platyphyllos Scop. = Tilia grandifolia Ehrh.) whose longevity can reach 1000 years. 

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