Fireweed.

En un coup d'œil

Niveau d'entretien

Facile

Type de plante

Perennial herb

Lumière

Full sun

Lumière en intérieur

Soleil direct

Arrosage

Tous les 3 à 7 jours

Taille adulte

3 to 6 feet

Croissance

Rapide

Rusticité

USDA 2 à 8

Floraison

Mid to late summer

Entretien

Plant this in a spot with plenty of sun and well draining soil. Keep an eye on its spread since it can be quite aggressive in the garden. Watch for wilting if the soil dries out too much during the heat of summer.

Arrosage

Keep the soil consistently moist but not waterlogged.

Engrais

Apply a balanced fertilizer once during the spring growth phase.

Taille

Cut back the dead stalks to the ground in late autumn or early spring.

Rempotage

Repot only if the plant becomes root bound in its container.

Sol

Well draining sandy or rocky soil

pH du sol

5.5 to 7.0

Température

-35 à 30°C

Humidité

40 à 70%

Résistance à la sécheresse

Moyenne

Durée de vie

Perennial, typically 5 to 10 years.

Parfum

Léger

Résistance aux chevreuils et lapins

Moyenne

Sécurité

Humains

The plant is generally considered non toxic to humans.

Enfants

The fluffy seeds are a choking hazard if ingested in large amounts.

Allergènes de contact

The sap may cause mild skin irritation in sensitive individuals.

Allergènes aéroportés

The fine, hair like seeds can be a minor irritant if inhaled in large quantities.

Comestibilité

Young shoots are edible, but mature leaves can become tough and bitter.

Comment l'identifier

• Tall spikes of pink flowers
• Lance shaped narrow leaves
• Reddish stems
• Seed pods split open to release fluff

Hauteur

0,6 à 1,5m

Envergure

0,3 à 0,6m

Feuilles

green, deciduous

Fleurs

pink, magenta, 2 à 4cm

Fruits

brown, Autumn

Problèmes courants

• Rust — Fungal infection causing orange spots on foliage.

La cultiver

Multiplication

division, seed, cuttings

Quand planter

spring, autumn

Hivernage

Cut the stems back to the ground after the foliage dies in late autumn.

En pot

It is not ideal for containers because of its aggressive rhizomatous growth.

Plant in large drifts to create a strong visual impact and support local bee populations.

Bonnes associations

• Verge d'or — They share similar light and moisture requirements.
• Symphyotrichum — They provide a late season nectar source for pollinators.

Espèces similaires

• Lysimaque pourpre — It has a similar flower spike shape but is considered invasive.

Science

Famille

Onagraceae

Genre

Chamaenerion

Ordre

Myrtales

Classe

Magnoliopsida

Région d'origine

Northern Hemisphere temperate regions.

Préservation

This species is widespread and not of conservation concern.

It is a pioneer species that thrives in disturbed soil and open, sunny areas.

Intérêt pour la faune

nectar source, larval host plant

Pollinisateurs

abeilles, papillons, papillons de nuit

Utilisations

pollinator garden, wildflower meadow, pioneer species, culinary shoots

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Is it invasive?

It can be aggressive in small gardens due to its spreading roots.

Does it need full sun?

Yes, it prefers full sun to bloom well.

D'où vient le nom

The name angustifolium refers to its narrow leaves, while fireweed describes its tendency to appear after fires.

Bon à savoir

• It is also known as fireweed.
• The leaves are sometimes used to make a fermented tea.
• It spreads rapidly through underground rhizomes.
• The flowers open from the bottom of the spike to the top.