Guía de plantas
Beggarticks.
Bidens alba
Pronunciación BY-denz AL-bah
También se conoce como Beggar's Lice, Monkey's Lice, Romerillo, Shepherd's Needles, Shepherd's Ticks, Shepherds Needles, Spanish Needle, Spanish needles

Bidens alba is a hardy, fast growing wildflower that thrives in disturbed areas. It produces cheerful white flowers with yellow centers that attract many pollinators. You will find it is quite adaptable to various soil conditions.
De un vistazo
- Nivel de cuidados
- Fácil
- Tipo de planta
- Annual or short lived perennial
- Luz
- Full sun
- Luz en interior
- Sol directo
- Riego
- Cada 3 a 7 días
- Tamaño adulto
- 3 to 5 feet
- Ritmo de crecimiento
- Rápido
- Rusticidad
- USDA 9 a 11
- Floración
- Year round in warm climates
Cuidados
This plant prefers full sun and well drained soil to stay healthy. Keep an eye out for aphids or whiteflies during the warmer months. It is very drought tolerant once established in your garden.
- Riego
- Water when the top inch of soil feels dry to the touch.
- Abonado
- Apply a balanced liquid fertilizer sparingly during the active growing season.
- Poda
- Trim back stems to encourage bushier growth and prevent excessive seeding.
- Trasplante
- Repot only if the plant becomes root bound in its container.
- Suelo
- Well draining sandy or loamy soil
- pH del suelo
- 6.0 to 7.5
- Temperatura
- 5 a 35°C
- Humedad
- 40 a 80%
- Tolerancia a la sequía
- Alta
- Longevidad
- Short lived perennial, often treated as an annual.
- Resistencia a ciervos y conejos
- Moderada
Señales de que necesita trasplante
- Roots growing out of the drainage holes.
- Water running straight through the pot without soaking in.
Seguridad
- Personas
- It is generally considered non toxic to humans.
- Niños
- The small, barbed seeds can easily stick to clothing and skin, which might be annoying for small children.
- Alérgenos por contacto
- Some individuals may experience mild skin irritation from handling the stems.
- Alérgenos en el aire
- The pollen can trigger mild reactions in sensitive individuals.
- Comestibilidad
- While young leaves are sometimes eaten, they can be bitter and are not widely considered a culinary staple.
Cómo identificarla
- Daisy like white flower heads
- Yellow central disk florets
- Opposite lance shaped leaves
- Small hooked seeds that stick
- Square stems
- Altura
- 0,3 a 1m
- Anchura
- 0,3 a 0,9m
- Hojas
- green, deciduous
- Flores
- white, yellow, 2 a 4cm
- Frutos
- black, year round
Problemas frecuentes
- Aphids — Small insects that cluster on new growth and suck sap.
Cómo cultivarla
- Propagación
- seed, cuttings
- Cuándo plantar
- spring, summer, fall
- Cuidados en invierno
- In colder areas, it will die back with the first frost. You can collect seeds in the fall to replant in the spring.
- En maceta
- It grows well in pots, but ensure the container is at least 30 cm wide to accommodate its rapid growth.
Seed
- 1. Collect mature black seeds from the flower heads.
- 2. Scatter them directly onto moist soil.
- 3. Keep the area lightly watered until germination.
Plant this in a container or a contained area to prevent it from taking over your entire garden bed.
Buenas compañeras
Especies parecidas
- Bidens frondosa — It is a close relative with similar seed dispersal mechanisms.
Ciencia
- Familia
- Asteraceae
- Género
- Bidens
- Orden
- Asterales
- Clase
- Magnoliopsida
- Distribución natural
- Tropical and subtropical Americas.
- Conservación
- It is not of conservation concern and is often viewed as an invasive species in tropical regions.
It thrives in disturbed soils and open areas where it can quickly colonize through prolific seed dispersal.
- Valor para la fauna
- nectar source, larval host plant
- Polinizadores
- abejas, mariposas, polillas
- Usos
- pollinator garden, wildflower meadow, ground cover
A lo largo del año
Indicadores ecológicos
- Salinidad
- 2/9
- Reacción del suelo
- 6/9
- Luz
- 8/9
- Temperatura
- 8/9
- Humedad
- 4/9
- Nutrientes
- 5/9
Taxonomía cotejada con GBIF.
Lo que más preguntan
- Is this plant invasive?
- Yes, it spreads very quickly by seed and can become a nuisance in gardens.
- Does it need much water?
- It is quite drought tolerant once established.
De dónde viene el nombre
The genus name Bidens comes from Latin for two teeth, referring to the two barbs on the seeds. The species name alba refers to the white petals.
Bueno saberlo
- The seeds have tiny hooks that help them hitchhike on animal fur.
- It is a very important nectar source for honeybees.
- The flowers are often called Spanish needles.
También en
¿Tu beggarticks 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.
