Does it need full sun?

No, it prefers partial to full shade.

How much water does it need?

It requires consistently moist to wet soil.

Guide botanique

Cinnamon fern.

Osmundastrum cinnamomeum

Prononciation os-mun-DAS-trum sin-na-mo-ME-um

Aussi appelée Buckhorn, Cinnamon Fern

The cinnamon fern is a beautiful, hardy perennial that adds a lush, prehistoric feel to damp, shaded garden spots. It is named for the unique, cinnamon colored fertile fronds that rise from the center of the plant. These ferns are quite resilient once they get settled in the right environment.

Une autre photo de Cinnamon fern — Photo de Judy Gallagher (CC BY-SA) via iNaturalist

En un coup d'œil

Niveau d'entretien: Facile
Type de plante: Fern
Lumière: Partial shade to full shade
Lumière en intérieur: Lumière moyenne
Arrosage: Tous les 2 à 5 jours
Taille adulte: 3 to 5 feet
Croissance: Moyenne
Rusticité: USDA 3 à 9
Floraison: Does not bloom

Entretien

Keep the soil consistently moist, as this fern thrives in boggy or wet conditions. Watch for browning frond tips, which often indicate the soil has dried out too much. Provide plenty of organic matter to mimic its natural woodland habitat.

Arrosage: Keep the soil constantly damp and never let it dry out completely.
Engrais: Apply a balanced, slow release fertilizer once during the spring.
Taille: Trim back dead or damaged fronds in late winter or early spring before new growth begins.
Rempotage: Repot only when the fern becomes root bound or outgrows its current container.
Sol: Rich, acidic, and moisture retentive soil
pH du sol: 4.5 to 6.0
Température: -35 à 30°C
Humidité: 60 à 90%
Résistance à la sécheresse: Faible
Durée de vie: Perennial, can live for many decades.
Résistance aux chevreuils et lapins: Élevée

Signes qu'il faut rempoter

Roots growing out of the drainage holes.
Water sitting on the surface for too long.
Plant growth slowing significantly.

Sécurité

Humains: The plant is generally considered non-toxic, but raw fiddleheads can cause digestive upset.
Enfants: The fuzzy hairs on the fiddleheads can be irritating if handled or rubbed into eyes.
Allergènes de contact: The fine, rusty hairs on the young fronds can cause mild skin irritation.
Allergènes aéroportés: Spore release in late summer may trigger mild respiratory sensitivity in some individuals.
Comestibilité: The fiddleheads are often consumed after thorough boiling, but they contain tannins and potential carcinogens that require careful preparation.

Comment l'identifier

Large, arching green sterile fronds
Distinctive cinnamon colored fertile spikes
Clump forming growth habit
Fuzzy brown scales on young fronds

Hauteur: 0,6 à 1,5m
Envergure: 0,6 à 1,2m
Feuilles: green, cinnamon, deciduous
Fleurs: 0cm

Problèmes courants

Fern scale — Small insects that attach to the undersides of fronds and sap nutrients.

La cultiver

Multiplication: division, spores
Quand planter: spring, autumn
Hivernage: Cut back the dead, brown fronds in late winter before new growth emerges. Ensure the crown stays moist but not waterlogged during the dormant season.
En pot: It grows well in large, self-watering containers that keep the soil constantly moist.

Division

1. Dig up the clump in early spring.
2. Use a sharp spade to divide the root mass.
3. Replant immediately in moist soil.

Plant these in groups to create a lush, prehistoric look in damp corners of your landscape.

Bonnes associations

Hosta — They share similar shade and moisture requirements.
Marsh marigold — They both thrive in the wet soil of a bog garden.

Espèces similaires

Matteuccia struthiopteris — It has a similar vase shape but different frond structure.

Science

Famille: Osmundaceae
Genre: Osmundastrum
Ordre: Osmundales
Classe: Polypodiopsida
Région d'origine: Eastern North America and parts of Eastern Asia.
Préservation: It is considered a species of least concern, though it is protected in some specific states due to over-collection.

It thrives in swampy areas and along stream banks where moisture is abundant.

Intérêt pour la faune: provides cover for small amphibians, nesting material for birds
Utilisations: woodland gardens, bog gardens, erosion control, shade borders

Au fil des saisons

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Floraison

Fructification

Feuillage

Repères écologiques

Salinité: 1/9
Réaction du sol: 4/9
Lumière: 3/9
Température: 5/9
Humidité: 8/9
Nutriments: 4/9

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

Does it need full sun?: No, it prefers partial to full shade.
How much water does it need?: It requires consistently moist to wet soil.

D'où vient le nom

The name cinnamomeum refers to the cinnamon color of the fertile fronds.

Bon à savoir

The common name comes from the cinnamon colored fertile fronds that appear in the center.
It is a true living fossil.
The fertile fronds are distinct from the sterile green foliage.

Aussi dans

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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.