Saltar al contenido

Guía de plantas

Dwarf Birch.

Betula nana

Pronunciación BET-yoo-luh NAH-nuh

También se conoce como Arctic dwarf birch, Dwarf Birch, alpine birch, bog birch

Descárgalo en el App StoreDisponible en Google Play

Dwarf Birch
Foto de Sigitas Juzėnas (CC BY) vía iNaturalist

The dwarf birch is a charming, low growing shrub that thrives in cold, boggy environments. It is a hardy plant that brings a touch of the tundra to your garden. You will love its tiny, rounded leaves and its resilient nature.

Otra foto de Dwarf Birch
Foto de icemuon (CC0) vía gbif

De un vistazo

Nivel de cuidados
Media
Tipo de planta
Deciduous shrub
Luz
Full sun to partial shade
Luz en interior
Luz indirecta brillante
Riego
Cada 3 a 7 días
Tamaño adulto
1 to 4 feet
Ritmo de crecimiento
Lento
Rusticidad
USDA 1 a 7
Floración
Late spring

Cuidados

Keep the soil consistently moist to mimic its natural boggy habitat. Watch for wilting or leaf drop, which often signal that the plant is drying out too much. Ensure it gets plenty of cool air, as it struggles in intense heat.

Riego
Keep the soil damp at all times but not waterlogged.
Abonado
Apply a balanced, acidic fertilizer during the active growing season.
Poda
Trim back dead or crossing branches in late winter while the plant is dormant.
Trasplante
Repot only when the roots have filled the container or the soil has broken down.
Suelo
Acidic, peaty, and moist
pH del suelo
4.5 to 6.0
Temperatura
-40 a 20°C
Humedad
40 a 80%
Tolerancia a la sequía
Moderada
Longevidad
Perennial, can live for several decades in ideal conditions.
Resistencia a ciervos y conejos
Moderada

Señales de que necesita trasplante

  • Roots growing out of drainage holes
  • Water running straight through the pot
  • Stunted growth

Seguridad

Personas
This plant is not considered toxic to humans.
Niños
There are no specific safety concerns for children regarding this plant.
Alérgenos por contacto
The foliage may cause mild skin irritation in sensitive individuals.
Alérgenos en el aire
The windborne pollen can trigger seasonal allergies in susceptible people.
Comestibilidad
The leaves and catkins are not typically consumed by humans.

Cómo identificarla

  • Small rounded serrated leaves
  • Low growing shrubby habit
  • Dark brown papery bark
  • Tiny catkins in spring
Altura
0,1 a 1,2m
Anchura
0,3 a 1,5m
Hojas
green, yellow, deciduous
Flores
brown, yellow, 1 a 2cm
Frutos
brown, Late summer

Problemas frecuentes

  • Birch leaf miner — Small larvae create tunnels inside the leaves, causing browning.

Cómo cultivarla

Propagación
cuttings, seed
Cuándo plantar
spring, autumn
Cuidados en invierno
It is fully hardy and requires no special protection during winter. Ensure the soil does not dry out completely if the winter is mild.
En maceta
It grows well in containers if kept in a cool, well ventilated area with consistent moisture.

Softwood cuttings

  1. Take cuttings in early summer.
  2. Dip in rooting hormone.
  3. Place in a moist, sandy medium.
  4. Cover to maintain humidity.

Group this plant with other slow growing alpine species to prevent it from being crowded out.

Buenas compañeras

  • Papaver radicatum — They share similar environmental requirements in rocky, cold soils.
  • Dryas octopetala — This low growing mat plant complements the dwarf birch habit.

Especies parecidas

  • Betula papyrifera — A much larger relative that shares the same genus.

Ciencia

Familia
Betulaceae
Género
Betula
Orden
Fagales
Clase
Magnoliopsida
Distribución natural
Circumpolar regions including northern Europe, Asia, and North America.
Conservación
It is protected in some parts of its southern range due to habitat loss.

It survives in harsh, nutrient poor soils by forming symbiotic relationships with mycorrhizal fungi.

Valor para la fauna
larval host plant, shelter for small insects
Polinizadores
abejas, mariposas
Usos
rock gardens, tundra restoration, ornamental shrub

A lo largo del año

EFMAMJJASOND
Floración
Fructificación
Follaje

Indicadores ecológicos

Salinidad
1/9
Reacción del suelo
3/9
Luz
8/9
Temperatura
1/9
Humedad
6/9
Nutrientes
2/9

Taxonomía cotejada con GBIF.

Lo que más preguntan

Can I grow this in a warm climate?
No, it requires cool summers and cold winters to thrive.
How fast does it grow?
It is a very slow growing shrub, often adding only a few centimeters per year.

De dónde viene el nombre

The specific epithet nana means dwarf, referring to its low, creeping growth habit.

Bueno saberlo

  • It is one of the smallest birch species in the world.
  • It often hybridizes with other birch species where their ranges overlap.
  • The leaves turn a beautiful golden yellow in the autumn.
  • It is a key species for stabilizing soil in arctic environments.

¿Tu dwarf birch tiene mal aspecto?

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.

Descárgalo en el App StoreDisponible en Google Play

Descargar la app

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.