Guía de plantas
Sweet pepperbush.
Clethra alnifolia
Pronunciación KLETH-ruh al-nih-FOH-lee-uh
También se conoce como Coastal Sweet Pepperbush, Coastal Sweetpepperbush, Pink-spire, Summersweet, Summersweet Clethra, Sweet Pepperbush

Sweet pepperbush is a lovely deciduous shrub that brings a sweet, spicy fragrance to the garden in midsummer. It thrives in moist, boggy conditions where other plants might struggle. You will love how its bottlebrush flowers attract bees and butterflies.

De un vistazo
- Nivel de cuidados
- Fácil
- 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
- 8 to 10 feet
- Ritmo de crecimiento
- Medio
- Rusticidad
- USDA 3 a 9
- Floración
- Mid to late summer
Cuidados
Keep the soil consistently moist, as this plant naturally grows in wetlands. Mulch around the base to help retain water and keep the roots cool. Watch for wilting, which is a clear sign that the soil has dried out too much.
- Riego
- Water deeply whenever the top inch of soil feels dry to the touch.
- Abonado
- Apply a balanced, slow release fertilizer once in early spring before new growth starts.
- Poda
- Prune in late winter or early spring to shape the shrub and remove any dead wood.
- Trasplante
- If growing in a container, move to a slightly larger pot every few years to refresh the soil.
- Suelo
- Moist, acidic, organic soil
- pH del suelo
- Acidic
- Temperatura
- -30 a 35°C
- Humedad
- 50 a 80%
Seguridad
- Personas
- There are no reports of significant toxicity to humans.
- Niños
- The small, dry seed capsules are a potential choking hazard for small children if ingested.
- Alérgenos por contacto
- No notable skin irritation is associated with this shrub.
- Alérgenos en el aire
- The heavy, sweet scent may be overwhelming for those sensitive to strong floral fragrances.
- Comestibilidad
- The plant is not considered edible and should not be consumed.
Cómo identificarla
- Fragrant white or pink flower spikes
- Dark green, serrated, oval leaves
- Golden yellow fall foliage color
- Small, dry, brown seed capsules
- Altura
- 1,5 a 2,5m
- Anchura
- 1,2 a 2m
- Hojas
- green, deciduous
- Flores
- white, pink, 0,5 a 1cm
- Frutos
- brown, Autumn
Problemas frecuentes
- Spider mites — Tiny pests that cause stippling on leaves during hot, dry weather.
Cómo cultivarla
- Propagación
- cuttings, seed, division
- Cuándo plantar
- spring, autumn
Group this shrub with other moisture-loving plants to create a low-maintenance rain garden.
Buenas compañeras
- Asclepias de pantano — They both thrive in the same moist soil conditions.
- Royal fern — Ferns provide a nice textural contrast beneath the shrub.
Especies parecidas
- Itea virginica — It shares a similar preference for moist sites and provides great fall color.
Ciencia
- Familia
- Clethraceae
- Género
- Clethra
- Orden
- Ericales
- Clase
- Magnoliopsida
- Distribución natural
- Eastern North America
- Conservación
- It is not currently listed as endangered or threatened in its native range.
It naturally inhabits swamps, stream banks, and moist thickets where it provides cover and food for local insects.
- Valor para la fauna
- nectar source, pollinator magnet
- Polinizadores
- abejas, mariposas
- Usos
- rain gardens, pollinator borders, fragrant hedges, wetland restoration
A lo largo del año
Indicadores ecológicos
- Salinidad
- 1/9
- Reacción del suelo
- 4/9
- Luz
- 5/9
- Temperatura
- 5/9
- Humedad
- 8/9
- Nutrientes
- 5/9
Taxonomía cotejada con GBIF.
Lo que más preguntan
- Does it need wet soil?
- It prefers consistently moist soil but adapts well to average garden conditions.
- Can I prune it?
- Yes, prune it in late winter or early spring to maintain its shape.
De dónde viene el nombre
The name Clethra comes from the Greek word for alder, referring to the leaf shape, while alnifolia means alder-leaved.
Bueno saberlo
- It thrives in wet soils where many other shrubs struggle.
- The flowers are shaped like tiny candles.
- It is one of the few shrubs that bloom reliably in deep shade.
- The autumn foliage turns a lovely shade of yellow or gold.
¿Tu sweet pepperbush 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.
