Eastern white pine.

En un coup d'œil

Niveau d'entretien

Facile

Type de plante

Coniferous evergreen tree

Lumière

Full sun to partial shade

Lumière en intérieur

Soleil direct

Arrosage

Tous les 7 à 14 jours

Taille adulte

50 to 80 feet

Croissance

Rapide

Rusticité

USDA 3 à 8

Floraison

Late spring

Entretien

Plant your pine in a spot with plenty of space for its mature size. Keep an eye out for yellowing needles or drooping branches, which can indicate moisture issues. Ensure the soil drains well to keep the roots healthy.

Arrosage

Water deeply during the first few years to establish a strong root system.

Engrais

Apply a balanced fertilizer once in early spring before new growth begins.

Taille

Remove dead or damaged branches in late winter while the tree is dormant.

Rempotage

Repotting is generally not necessary for trees planted directly in the landscape.

Sol

Moist, well drained, acidic soil

pH du sol

4.5 to 6.0

Température

-40 à 35°C

Humidité

40 à 70%

Résistance à la sécheresse

Moyenne

Durée de vie

Long-lived, often 200 to 400 years.

Parfum

Fort

Résistance aux chevreuils et lapins

Moyenne

Sécurité

Humains

The plant is generally non-toxic, though excessive consumption of pine needles can cause digestive upset.

Enfants

The sharp needles and heavy cones can pose a minor injury risk if children play roughly near the tree.

Allergènes de contact

The sticky resin can cause skin irritation in sensitive individuals.

Allergènes aéroportés

The tree releases large amounts of pollen in late spring that may cause hay fever.

Comestibilité

The needles are often used for tea, but ensure they are not from a toxic yew tree before harvesting.

Comment l'identifier

• Soft flexible blue green needles
• Needles arranged in bundles of five
• Long slender cylindrical cones
• Greyish bark with shallow fissures

Hauteur

15 à 30m

Envergure

6 à 12m

Feuilles

blue-green, evergreen

Fleurs

yellow, 1 à 2cm

Fruits

brown, Autumn

Problèmes courants

• White pine blister rust — A fungal disease that causes cankers on branches and stems.
• White pine weevil — Larvae bore into the terminal leader, causing the top of the tree to wilt and die.

La cultiver

Multiplication

seed

Quand planter

spring, autumn

Hivernage

No special protection is needed as it is fully hardy in its native range.

En pot

It is not well-suited for long-term container growth due to its massive size.

Planting acid-loving shrubs underneath helps maintain the soil pH and creates a natural woodland aesthetic.

Bonnes associations

• Amelanchier arborea — They share similar soil requirements and provide a nice contrast in texture.
• Mountain Laurel — This shrub thrives in the acidic soil conditions created by pine needles.

Espèces similaires

• Pinus resinosa — It has needles in bundles of two rather than five.

Science

Famille

Pinaceae

Genre

Pinus

Ordre

Pinales

Classe

Pinopsida

Région d'origine

Eastern North America.

Préservation

This species is widespread and not currently of conservation concern.

It thrives in well-drained, acidic soils and often acts as a pioneer species in forest succession.

Intérêt pour la faune

nesting site, seed source for birds, cover for small mammals

Pollinisateurs

abeilles

Utilisations

ornamental specimen, windbreak, timber, wildlife habitat

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

How fast does it grow?

It is a relatively fast grower, often adding 60 to 90 centimeters per year.

Does it tolerate shade?

Young trees tolerate partial shade, but they need full sun to reach their full potential.

D'où vient le nom

The name strobus comes from the Latin word for a pine cone, while the common name refers to the soft, flexible needles.

Bon à savoir

• It is the provincial tree of Ontario and the state tree of Maine and Michigan.
• The needles grow in bundles of five, which is a key identification feature.
• These trees can live for over 400 years in undisturbed conditions.
• They are the tallest trees in eastern North America.