Pinus jeffreyi – Jeffrey-pine

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Pinaceae

Pinus jeffreyi – Jeffrey-pine

Se priser og tilgængelighed
Large tree with a semi-closed conical crown, flattening out somewhat when mature. Moderately fast-growing, with horizontal branching. In its natural site, the tree can grow to approx. 50 m in height. The bark is blackish brown, later grooved with loose plates and turning purplish brown. When cut, the smooth twigs, glossy when mature, smell like oranges. The twisted needles are fairly stiff, erect and pointy. They are approx. 18 cm long, a striking greyish blue colour and grow in bundles of 3 together. Crushed needles have a characteristic petroleum odour. When fully ripe, the purplish brown cones fall off. Pinus jeffreyi is suited to any type of soil and adapts well. Although the tree grows on dry, rocky mountain slopes in its natural habitat, it thrives best on permeable, light and moisture-retentive soil.

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Specifikationer
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Højde
20 - 25 (50) m
Trækrone
broad conical, later rounded, half-open crown
Bark og grene
blackish brown bark, grooved, orange-brown to green twigs, later black
Blad
needles, 3 together, bluish green, twisted, 12 - 22 cm, evergreen
Blomster
unremarkable, fragrant flowers
Frugter
hanging, pointed cone, 14 - 26 cm, purplish brown
Torne
ingen
Toksicitet
normalt ikke giftigt for mennesker, (store) kæledyr og husdyr
Jordtype
all
Krav til væksstedet
Tåler ikke hærdning
vinterhårdhed
6b (-20,5 til -17,8 °C)
Vindbestandighed
good
Øvrige modstandsdygtigheder
modstandsdygtig mod frost (vinterfasthed 1 til 6), modstandsdygtig mod vind
Anvendelse
industriområde
Form
højstammet træ, enkeltstående nåletræ
Oprindelse
western North America
højstammet træ enkeltstående nåletræ surbund lerjord lerjord tørvejord sandjord Tåler ikke hærdning lyselskende modstandsdygtig mod frost (vinterfasthed 1 til 6) modstandsdygtig mod vind bredt pyramideformet 1. størrelse højere end 12 meter Halvåben krone blågrøn grøn gul gennemsnitlig (sædvanligvis) ikke toksisk Sirlige frugter duftende blomster
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Pinus jeffreyi

Pinus jeffreyi can eventually reach a height of 20 - 25 (50) m, depending on the site and climate conditions.

Pinus jeffreyi is gennemsnitlig and can eventually reach a height of 20 - 25 (50) m, depending on the site and climate conditions.

The right time to plant Pinus jeffreyi is during the dormancy period. In Western Europe, Pinus jeffreyi with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

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