American sycamore.

En un coup d'œil

Niveau d'entretien

Facile

Type de plante

Deciduous tree

Lumière

Full sun

Lumière en intérieur

Soleil direct

Arrosage

Tous les 7 à 14 jours

Taille adulte

75 to 100 feet

Croissance

Rapide

Rusticité

USDA 4 à 9

Floraison

Mid spring

Entretien

Plant this tree in a location with plenty of space for its expansive root system and canopy. Keep an eye out for leaf blight or anthracnose during wet springs. It is a very hardy tree that mostly takes care of itself once established.

Arrosage

Young trees need regular deep watering until they are well established in the landscape.

Engrais

Apply a balanced fertilizer in early spring if the tree shows signs of slow growth.

Taille

Prune during the dormant winter season to remove dead or crossing branches.

Rempotage

This tree is not suitable for container growth due to its massive size.

Sol

Moist, deep, rich soil

pH du sol

5.0 to 8.0

Température

-30 à 35°C

Humidité

40 à 80%

Résistance à la sécheresse

Moyenne

Durée de vie

Perennial, can live for 200 to 500 years.

Résistance aux chevreuils et lapins

Moyenne

Sécurité

Humains

The fine hairs on the leaves and fruit can cause irritation if inhaled or touched.

Enfants

The large, heavy fruit balls can be a tripping hazard or cause minor injury if they fall on small children.

Allergènes de contact

The fuzzy hairs on young leaves and fruit can cause skin irritation.

Allergènes aéroportés

The pollen is a common allergen during the spring flowering season.

Comestibilité

The fruit is not considered edible for humans.

Comment l'identifier

• Large, maple like lobed leaves
• Exfoliating bark with camouflage pattern
• Round, fuzzy seed balls hanging down
• Massive trunk with wide base

Hauteur

20 à 40m

Envergure

15 à 30m

Feuilles

green, deciduous

Fleurs

green, red, 1 à 2cm

Fruits

brown, Autumn to winter

Problèmes courants

• Sycamore Anthracnose — A fungal disease that causes leaf blight and twig dieback in cool, wet springs.
• Lace Bug — Small insects that feed on the undersides of leaves, causing yellowing and stippling.

La cultiver

Multiplication

seed, cuttings

Quand planter

spring, autumn

Hivernage

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

En pot

This tree is far too large for container growth.

Group this tree with other moisture loving species to create a stable riparian buffer.

Bonnes associations

• Betula nigra — They share similar moisture requirements and thrive in riparian settings.
• Quercus bicolor — This oak also tolerates the wet soil conditions often found near sycamores.

Espèces similaires

• Platane de Londres — It is a hybrid that is more resistant to anthracnose than the native species.

Science

Famille

Platanaceae

Genre

Platanus

Ordre

Proteales

Classe

Magnoliopsida

Région d'origine

Eastern and central North America.

Préservation

This species is widespread and not currently of conservation concern.

It thrives in moist, deep soils along floodplains where it can tolerate periodic inundation.

Intérêt pour la faune

seeds provide winter food for birds, nesting habitat for squirrels and birds

Pollinisateurs

abeilles

Utilisations

shade tree, riparian restoration, timber

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

How fast does it grow?

It is a very fast grower, often adding several feet per year.

Can I plant it near my house?

No, its massive size and aggressive root system make it unsuitable for small yards or near foundations.

D'où vient le nom

The name occidentalis means western, referring to its native range in the Western Hemisphere, while Platanus comes from the Greek word for broad, describing its large leaves.

Bon à savoir

• It is one of the largest deciduous trees in North America.
• The bark peels off in irregular plates to reveal a creamy white inner layer.
• It is often found growing naturally along riverbanks and streams.
• The wood is hard and was historically used for butcher blocks.
• It can live for several hundred years in ideal conditions.