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

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.

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
- Take cuttings in early summer.
- Dip in rooting hormone.
- Place in a moist, sandy medium.
- 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
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.
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.
