Does it need full sun?

It prefers partial shade, especially in the southern part of its range.

How often should I water it?

Keep the soil consistently moist but well-draining, especially during the first few years.

Guide botanique

Flowering dogwood.

Cornus florida

Prononciation KOR-nus FLOR-ih-duh

Aussi appelée American Boxwood, American-boxwood, Arrowwood, Dogwood, Eastern Flowering Dogwood, Florida Dogwood, Flowering Cornel, Flowering Dogwood

The flowering dogwood is a beautiful deciduous tree that puts on a stunning show every spring. It thrives in woodland settings where it gets a bit of shade during the hottest part of the day. You'll love the way its branches spread to create a lovely, layered look in your garden.

En un coup d'œil

Niveau d'entretien: Moyenne
Type de plante: Deciduous tree
Lumière: Partial shade to full sun
Lumière en intérieur: Lumière vive indirecte
Arrosage: Tous les 7 à 14 jours
Taille adulte: 15 to 30 feet
Croissance: Moyenne
Rusticité: USDA 5 à 9
Floraison: Mid to late spring

Entretien

Keep the soil consistently moist but well drained to help this tree stay happy. Watch for signs of stress like leaf scorch in summer or powdery mildew on the foliage. Adding a layer of mulch around the base helps keep the roots cool and retains moisture.

Arrosage: Water deeply during dry spells to keep the root zone from drying out completely.
Engrais: Apply a balanced slow release fertilizer in early spring before new growth begins.
Taille: Prune dead or crossing branches in late winter while the tree is still dormant.
Rempotage: If growing in a container, move to a larger pot every few years to accommodate root growth.
Sol: Rich, acidic, well draining soil
pH du sol: 5.5 to 6.5
Température: -28 à 35°C
Humidité: 40 à 70%
Résistance à la sécheresse: Faible
Durée de vie: Perennial, typically 50 to 80 years
Résistance aux chevreuils et lapins: Faible

Signes qu'il faut rempoter

Roots growing out of the drainage holes.
Water running straight through the pot without soaking in.
Stunted growth despite regular care.

Sécurité

Humains: The plant is generally considered non-toxic, but the berries are not meant for human consumption.
Enfants: The berries are not toxic, but they pose a minor choking hazard to small children.
Allergènes de contact: Some individuals may experience mild skin irritation from handling the foliage.
Allergènes aéroportés: The pollen is not typically a major cause of seasonal allergies.
Comestibilité: The berries are not considered edible for humans and can cause stomach upset if ingested.

Comment l'identifier

Four showy white or pink bracts
Distinctive oval leaves with curved veins
Bright red berries in autumn
Scaly, blocky bark texture

Hauteur: 4,5 à 9m
Envergure: 4,5 à 9m
Feuilles: green, red, purple, deciduous
Fleurs: white, pink, red, 5 à 10cm
Fruits: red, Late summer to early autumn

Problèmes courants

Dogwood anthracnose — A fungal infection that causes leaf spots and twig dieback.
Powdery mildew — A white fungal growth on the surface of leaves during humid weather.

La cultiver

Multiplication: seed, cuttings, grafting
Quand planter: spring, autumn
Hivernage: Apply a layer of mulch around the base to protect roots from temperature fluctuations. Ensure the soil remains moist but not waterlogged during dry winter spells.
En pot: It is not well-suited for long-term container growth due to its size and root sensitivity.

Seed

1. Collect ripe berries in autumn.
2. Clean the pulp from the seeds.
3. Cold stratify seeds in the refrigerator for 3 to 4 months.
4. Plant in a well-draining seed starting mix in early spring.

Plant in groups with other acid-loving woodland plants to create a naturalistic forest floor effect.

Bonnes associations

Rhododendron — They share similar soil and light requirements.
Hosta — They thrive in the same shady, moist conditions.
Christmas fern — They provide a natural woodland look and similar moisture needs.

Espèces similaires

Cornus kousa — It is a popular alternative that is more resistant to common dogwood diseases.

Science

Famille: Cornaceae
Genre: Cornus
Ordre: Cornales
Classe: Magnoliopsida
Région d'origine: Eastern North America
Préservation: It is not currently endangered, though wild populations face pressure from dogwood anthracnose.

It thrives as an understory tree in deciduous forests, where it benefits from filtered light and rich, organic soil.

Intérêt pour la faune: nectar source, fruit for birds, larval host plant
Pollinisateurs: abeilles, papillons, coléoptères
Utilisations: ornamental specimen, woodland garden, pollinator habitat

Au fil des saisons

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Floraison

Fructification

Feuillage

Repères écologiques

Salinité: 1/9
Réaction du sol: 5/9
Lumière: 5/9
Température: 6/9
Humidité: 6/9
Nutriments: 5/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Does it need full sun?: It prefers partial shade, especially in the southern part of its range.
How often should I water it?: Keep the soil consistently moist but well-draining, especially during the first few years.

D'où vient le nom

The genus name Cornus comes from the Latin word for horn, referring to the hardness of the wood. The species name florida means flowering.

Bon à savoir

It is the state tree and flower of Virginia.
The wood is extremely hard and was historically used for weaving shuttles.
Fall foliage turns a vibrant, deep red.
It prefers partial shade in warmer climates to protect it from harsh afternoon sun.

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.

Télécharger l'appli

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.