New England aster.

En un coup d'œil

Niveau d'entretien

Facile

Type de plante

Herbaceous perennial

Lumière

Full sun

Lumière en intérieur

Soleil direct

Arrosage

Tous les 3 à 7 jours

Taille adulte

3 to 6 feet tall

Croissance

Rapide

Rusticité

USDA 3 à 8

Floraison

Late summer to mid autumn

Entretien

Plant these in a sunny spot with good air circulation to keep powdery mildew at bay. Pinch back the stems in early summer to encourage a bushier habit and more flowers. Watch for wilting during dry spells, as they prefer consistent moisture.

Arrosage

Keep the soil consistently moist but not waterlogged throughout the growing season.

Engrais

Apply a balanced compost or organic fertilizer once in early spring to support healthy growth.

Taille

Cut the stems back to the ground in late winter or early spring after the foliage dies back.

Rempotage

Divide the root clumps every few years in spring to maintain vigor and prevent overcrowding.

Sol

Moist, fertile, well draining soil

pH du sol

6.0 to 7.5

Température

-35 à 30°C

Humidité

40 à 70%

Résistance à la sécheresse

Moyenne

Durée de vie

Perennial, typically 5 to 10 years.

Résistance aux chevreuils et lapins

Moyenne

Sécurité

Humains

This plant is generally considered non-toxic to humans.

Enfants

The stems are somewhat coarse and may scratch delicate skin, but there is no significant ingestion risk.

Allergènes de contact

The rough, hairy stems can cause mild skin irritation in sensitive individuals.

Allergènes aéroportés

The pollen may trigger hay fever symptoms in susceptible people during the late summer bloom.

Comestibilité

While not considered toxic, this plant is not typically consumed by humans.

Comment l'identifier

• Daisy like purple flower heads
• Yellow centers on flower heads
• Lance shaped hairy leaves
• Sturdy upright branching stems

Hauteur

0,9 à 1,8m

Envergure

0,6 à 0,9m

Feuilles

green, deciduous

Fleurs

purple, pink, white, 3 à 5cm

Problèmes à surveiller

• Powdery mildew — A white fungal growth on leaves often caused by poor air circulation or humidity.
• Rust — Small orange or brown pustules appearing on the undersides of leaves.

La cultiver

Multiplication

division, seed, cuttings

Quand planter

spring, autumn

Hivernage

Cut the dead stems back to the ground in late winter. The crown will remain dormant until spring.

En pot

It can grow in large containers, but it prefers the consistent moisture of the ground.

Plant with tall grasses to help support the stems and prevent them from leaning.

Bonnes associations

• Verge d'or — They bloom at the same time and create a classic late season color contrast.
• Schizachyrium scoparium — The grass provides a structural backdrop that complements the aster flowers.

Espèces similaires

• Aster bleu lisse — It has similar flowers but features smooth, hairless foliage.

Science

Famille

Asteraceae

Genre

Symphyotrichum

Ordre

Asterales

Classe

Magnoliopsida

Région d'origine

Eastern and central North America.

Préservation

It is widespread and secure across its native range.

It naturally colonizes moist meadows and thickets where it provides essential late season resources for pollinators.

Intérêt pour la faune

late season nectar source, larval host plant

Pollinisateurs

abeilles, papillons, papillons de nuit

Utilisations

pollinator gardens, prairie restoration, late season color, cut flowers

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Does it need staking?

Yes, in rich soil it can get tall and flop over without support.

When should I cut it back?

Cut the stems down to the ground in late winter or early spring.

D'où vient le nom

The name Symphyotrichum comes from Greek words meaning joined hair, referring to the pappus bristles, while novae-angliae means of New England.

Bon à savoir

• It is commonly known as the New England aster.
• The flowers are famous for their intense, deep purple color.
• It thrives in moist, rich soils often found in meadows.
• The plant can grow quite tall and may require staking in windy gardens.