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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

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Beggarticks
Foto de Marco Polo amarillas vargas (CC0) vía gbif

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. 1. Collect mature black seeds from the flower heads.
  2. 2. Scatter them directly onto moist soil.
  3. 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

  • Lantana — They share similar environmental needs and attract a wide range of pollinators.
  • Salvia — The contrasting flower shapes create a nice visual display.

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

EFMAMJJASOND
Floración
Fructificación
Follaje

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

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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.