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Guide botanique

Siberian Larch.

Larix sibirica

Prononciation LAIR-iks sih-BEER-ih-kuh

Aussi appelée Siberian larch

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Siberian Larch
Photo de Caleb Catto (CC BY) via iNaturalist

The Siberian Larch is a hardy deciduous conifer that drops its needles every autumn. It is well known for its incredible cold tolerance and beautiful golden fall color. You will find it thrives best in open, sunny spaces where it has plenty of room to grow.

Une autre photo de Siberian Larch
Photo de Полина Полежанкина (CC BY) via gbif

En un coup d'œil

Niveau d'entretien
Facile
Type de plante
Coniferous tree
Lumière
Full sun
Lumière en intérieur
Soleil direct
Arrosage
Tous les 7 à 14 jours
Taille adulte
20 to 40 meters
Croissance
Moyenne
Rusticité
USDA 1 à 6
Floraison
Early to mid spring

Entretien

Plant this tree in a spot with full sun and well draining soil. Keep an eye on the needles during the growing season, as browning can sometimes indicate moisture stress. It is very low maintenance once established in the landscape.

Arrosage
Water deeply during the first few years until the root system is fully established.
Engrais
Apply a balanced slow release fertilizer once in early spring.
Taille
Prune only to remove dead or damaged branches during the dormant winter season.
Rempotage
If grown in a container, move to a larger pot every few years to accommodate root growth.
Sol
Well drained loam or sandy soil
pH du sol
Acidic to neutral
Température
-45 à 30°C
Humidité
40 à 70%
Résistance à la sécheresse
Moyenne
Durée de vie
Long lived, often exceeding 200 years.
Parfum
Léger
Résistance aux chevreuils et lapins
Moyenne

Sécurité

Humains
The plant is generally considered non toxic but the sap can be a mild skin irritant.
Enfants
The needles are sharp and may pose a minor puncture risk to small children.
Allergènes de contact
Handling the needles or sap may cause mild skin irritation in sensitive individuals.
Allergènes aéroportés
The pollen can be a moderate respiratory allergen during the spring release.
Comestibilité
The needles are not typically consumed and may cause irritation if ingested in large quantities.

Comment l'identifier

  • Deciduous conifer needles
  • Bright green spring needles
  • Golden yellow autumn foliage
  • Small woody seed cones
  • Straight trunk with rough bark
Hauteur
20 à 40m
Envergure
8 à 15m
Feuilles
bright green, golden yellow, deciduous
Fleurs
red, yellow, 1 à 3cm
Fruits
brown, Autumn

Problèmes courants

  • Larch casebearer — Small caterpillars that mine the needles and cause browning.
  • Larch needle cast — Fungal infection causing premature needle drop.

La cultiver

Multiplication
seed
Quand planter
spring, autumn
Hivernage
No special action is required as this tree is fully hardy in extreme cold.
En pot
This tree is not suitable for containers due to its immense mature size and deep root requirements.

Seed propagation

  1. 1. Collect cones in late autumn when they turn brown.
  2. 2. Dry cones to release seeds.
  3. 3. Cold stratify seeds for 30 to 60 days.
  4. 4. Sow in well draining soil in early spring.

Plant in groups with other boreal species to mimic natural forest stands.

Bonnes associations

  • Silver Birch — They naturally occur together in boreal forest ecosystems.
  • Picea abies — They share similar soil and moisture requirements in northern climates.

Espèces similaires

  • Larix decidua — It is a close relative with similar growth habits and deciduous needles.
  • Larix laricina — It is the North American equivalent that also thrives in cold, wet soils.

Science

Famille
Pinaceae
Genre
Larix
Ordre
Pinales
Classe
Pinopsida
Région d'origine
Northern Russia, Siberia, and parts of Mongolia.
Préservation
This species is widespread and not currently of conservation concern.

It dominates vast boreal forests by tolerating extremely short growing seasons and frozen soils.

Intérêt pour la faune
provides nesting cover, seeds attract birds
Pollinisateurs
abeilles
Utilisations
timber production, ornamental specimen, windbreak

Au fil des saisons

JFMAMJJASOND
Floraison
Fructification
Feuillage

Repères écologiques

Salinité
2/9
Réaction du sol
5/9
Lumière
8/9
Température
1/9
Humidité
5/9
Nutriments
4/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Does it need special care in winter?
No, it is perfectly adapted to extreme cold and requires no protection.
Can I grow this in a pot?
It is not suitable for long term container growth due to its massive size.

D'où vient le nom

Larix is the ancient Latin name for the larch tree, while sibirica refers to its native Siberian range.

Bon à savoir

  • It is one of the few conifers that loses its needles every autumn.
  • The wood is highly rot resistant and was historically used for ship building.
  • It can survive temperatures as low as minus 50 degrees Celsius.

Ta plante a mauvaise mine ?

Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.

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Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.