White Fir, Colorado White Fir (Abies concolor)
The White Fir or Colorado White Fir is a decorative conifer for parks and large gardens. Its tough needles are blue-green above and pale green below. A popular Christmas tree for all those who prefer something special.
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Erscheinungsbild
The White Fir or Colorado White Fir is a decorative conifer for parks and large gardens. Its tough needles are blue-green above and pale green below. A popular Christmas tree for all those who prefer something special.
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Blätter
White linear needles, blue-green above, pale green below. 3-7cm long, 0.2-0.3cm wide. Pointed or rounded with entire edge and widened plate-like base. Needles arranged irregularly.
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Blatt Oberseite
White linear needles, blue-green above, pale green below. 3-7cm long, 0.2-0.3cm wide. Pointed or rounded with entire edge and widened plate-like base. Needles arranged irregularly.
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Blüten
Flowering period: IV-V. Very pretty, red male flowers pendent in clusters in the axils of the upper needles. Inconspicuous female flower, greenish, with reddish scaly edge, monoecious, only appear on previous year's branches at the top of the crown.
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Rinde
Young bark is pale grey and smooth with shallow furrows. Old bark is grey-brown or greenish-grey, with a regular chambered structure.
Anwendung
Parks, solitary tree, forage for birds, bird protection, gardens
Heimatgebiete
USA, Mexico
Standortparameter
Light: sunny to off-sun; soil type: sandy-loamy to loamy; nutrient concentration: low to normal; pH value of the soil: slightly acid to alkaline; soil: dry to moist.
Ansprüche
Intolerant of soil compaction, demands high humidity, fairly frost-hardy, very fume-hardy; tolerates urban climates; needles may sometimes be damaged by dry frost; sun to off-sun.
unknown
Height of growth 20 - 25m high, 6-8m in diameter
Blätter
White linear needles, blue-green above, pale green below. 3-7cm long, 0.2-0.3cm wide. Pointed or rounded with entire edge and widened plate-like base. Needles arranged irregularly.
Blüten
Flowering period: IV-V. Very pretty, red male flowers pendent in clusters in the axils of the upper needles. Inconspicuous female flower, greenish, with reddish scaly edge, monoecious, only appear on previous year's branches at the top of the crown.
Früchte
Very pretty pale brown cones with obovate seeds. Cylindrical-linear to slightly sickle-shaped form with pointed or rounded upright tip. 8-15cm long, 3-5cm wide, scales up to 2.5cm in size, hidden bracts.
Rinde
Young bark is pale grey and smooth with shallow furrows. Old bark is grey-brown or greenish-grey, with a regular chambered structure.
Wurzel
Surface-rooting, deep-rooting; depends on the soil.