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Guía de plantas

Christmas fern.

Polystichum acrostichoides

Pronunciación pol-IS-tik-um ak-ro-STIK-oy-deez

También se conoce como Christmas Fern, Dagger Fern, Holly Fern

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Christmas fern
Foto de Michael J. Papay (CC BY) vía iNaturalist

The Christmas fern is a lovely, evergreen native that stays green throughout the winter months. It grows in attractive, arching clumps that look great in shaded garden beds. You will find it is a sturdy choice for woodland settings.

Otra foto de Christmas fern
Foto de Bill Keim (CC BY) vía gbif

De un vistazo

Nivel de cuidados
Fácil
Tipo de planta
Fern
Luz
Partial shade to full shade
Luz en interior
Luz media
Riego
Cada 5 a 10 días
Tamaño adulto
1 to 2 feet
Ritmo de crecimiento
Medio
Rusticidad
USDA 3 a 9
Floración
Does not bloom

Cuidados

Plant this fern in rich, moist soil and keep it sheltered from harsh afternoon sun. Watch for browning fronds during extreme dry spells, which indicate it needs more moisture. It is quite hardy and rarely needs much fuss once established.

Riego
Keep the soil consistently moist but never soggy.
Abonado
Apply a balanced, slow-release fertilizer once in early spring.
Poda
Trim back old, tattered fronds in late winter before new growth emerges.
Trasplante
Repot only when the root system becomes crowded or the plant outgrows its container.
Suelo
Moist, well-draining, humus-rich soil
pH del suelo
Acidic to neutral
Temperatura
-30 a 35°C
Humedad
40 a 80%

Seguridad

Personas
There is no significant toxicity reported for humans.
Niños
The plant is generally safe, but the stiff fronds can be sharp and should be handled with care by small children.
Alérgenos por contacto
Handling the fronds may cause minor skin irritation in sensitive individuals due to the texture of the scales.
Alérgenos en el aire
The spores released from the underside of the fronds can trigger mild respiratory irritation in those with severe allergies.
Comestibilidad
This plant is not considered edible and should not be consumed.

Cómo identificarla

  • Leathery, dark green fronds
  • Pinnae shaped like Christmas stockings
  • Scaly stems near the base
  • Evergreen foliage year round
Altura
0,3 a 0,6m
Anchura
0,3 a 0,6m
Hojas
dark green, evergreen
Flores
0cm

Problemas frecuentes

  • Scale insects — Small sap sucking insects that appear as bumps on the underside of fronds.

Cómo cultivarla

Propagación
division, spores
Cuándo plantar
spring, autumn

Group this fern with other shade loving woodland plants to create a naturalistic forest floor effect.

Buenas compañeras

  • Asarum canadense — They share similar shade and moisture requirements.
  • Hosta — The contrasting leaf textures look great together in a shade garden.
  • Campanillas de coral — They provide colorful foliage contrast against the dark green fern fronds.

Especies parecidas

  • Dryopteris marginalis — It is another evergreen fern that thrives in similar woodland conditions.

Ciencia

Familia
Dryopteridaceae
Género
Polystichum
Orden
Polypodiales
Clase
Polypodiopsida
Distribución natural
Eastern North America
Conservación
This species is common and secure throughout its native range.

It grows in rocky, moist, shaded woodlands where it helps stabilize soil on slopes.

Valor para la fauna
provides winter cover for small wildlife, nesting material for birds
Usos
woodland gardens, erosion control, shaded borders, ground cover

A lo largo del año

EFMAMJJASOND
Floración
Fructificación
Follaje

Indicadores ecológicos

Salinidad
1/9
Reacción del suelo
5/9
Luz
3/9
Temperatura
5/9
Humedad
6/9
Nutrientes
5/9

Taxonomía cotejada con GBIF.

Lo que más preguntan

Does it need full sun?
No, it prefers partial to full shade.
Should I cut it back?
You can trim old, tattered fronds in early spring before new growth emerges.

De dónde viene el nombre

The name acrostichoides refers to the resemblance of the spore clusters to those of the genus Acrostichum.

Bueno saberlo

  • The leaflets are shaped like a Christmas stocking.
  • It is one of the most common ferns in the eastern United States.
  • It thrives in rocky, wooded slopes.

También en

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Esta página es una guía general. Pocket Botanist diagnostica problemas a partir de una foto de tu propia planta, calcula el riego según tu luz y tus condiciones, y te avisa cuando toca cuidarla.

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Esta guía se ha generado con IA y se ha cotejado con la taxonomía de GBIF. Es información general, no asesoramiento botánico ni veterinario. Descubre cómo elaboramos estas guías.