Bidens pilosa
TAXONOMY
FamilyAsteraceae
GenusBidens
Zone9
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Bidens pilosa, commonly known as blackjack or Spanish needle, is an annual herbaceous plant in the family Asteraceae. It is native to the Americas but has spread to many other regions, often considered a weed. It thrives in temperate climates and is known for its small, daisy-like flowers and barbed seeds that easily attach to clothing and fur.
ALSO KNOWN AS
Beggar-Ticks
Blackjack
Ragup Mayta
Romerillo
Spanish Needle
Spanish-Needles
White Beggarticks
Bidens abadiae
Bidens abadiae var. abadiae
Bidens abadiae var. pilosoides
Bidens alausensis
Bidens barrancae
Bidens bullata var. glabrescens
Bidens bullata var. hirta
Bidens calcicola
Bidens cernua var. tenuis
Bidens chilensis
Bidens chilensis var. chilensis
Bidens dichotoma
Bidens fastigiata var. hispida
Bidens heterodoxa var. orthodoxa
Bidens hirsuta
Bidens hispida
Bidens leucantha f. discoidea
Bidens leucantha var. leucantha
Bidens leucantha var. pilosa
Bidens leucantha var. sundaica
Bidens leucanthema f. discoidea
Bidens leucanthema var. pilosa
Bidens leucanthema var. sundaica
Bidens leucanthemus
Bidens montaubani
Bidens odorata
Bidens odorata var. calcicola
Bidens orendainae
Bidens pilosa f. bimucronata
Bidens pilosa f. calcicola
Bidens pilosa f. discoidea
Bidens pilosa f. dissecta
Bidens pilosa f. dondiifolia
Bidens pilosa f. indivisa
Bidens pilosa f. minor
Bidens pilosa f. monophylla
Bidens pilosa f. odorata
Bidens pilosa f. pilosa
Bidens pilosa f. pilosior
Bidens pilosa f. pinnatus
Bidens pilosa f. scandicina
Bidens pilosa f. simplex
Bidens pilosa f. subbiternatus
Bidens pilosa f. subsimplicifolius
Bidens pilosa f. ternatus
Bidens pilosa f. triaristata
Bidens pilosa f. umbrosa
Bidens pilosa var. albiflora
Bidens pilosa var. apiifolia
Bidens pilosa var. bimucronata
Bidens pilosa var. brevifoliata
Bidens pilosa var. calcicola
Bidens pilosa var. discoidea
Bidens pilosa var. dubia
Bidens pilosa var. humilis
Bidens pilosa var. leucantha
Bidens pilosa var. minor
Bidens pilosa var. pilosa
Bidens pilosa var. subbiternata
Bidens pilosa var. typica
Bidens pinnata
Bidens reflexa
Bidens rosea var. calcicola
Bidens scandicina
Bidens sundaica var. minor
Bidens tripartita
Bidens tripartita var. cannabina
Bidens tripartita var. discoidea
Bidens tripartita var. hirta
Bidens tripartita var. hispida
Bidens tripartita var. indivisa
Bidens tripartita var. integra
Bidens tripartita var. integrifolia
Bidens tripartita var. latifolia
Bidens tripartita var. minor
Bidens tripartita var. pumila
Bidens tripartita var. radiata
Bidens tripartita var. tenuis
Bidens wallichii var. albiflora
Coreopsis leucantha
Coreopsis multifida var. multifida
Kerneria pilosa
Kerneria pilosa var. discoidea
Kerneria pilosa var. pilosa
Kerneria tetragona
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature25° C
Humidity60%
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Bidens pilosa is relatively easy to care for. It prefers full sunlight and moderate temperatures. Watering should be done when the soil is almost completely dry. It can tolerate a range of humidity levels but prefers moderate humidity. This plant is hardy and can grow in various conditions, making it suitable for outdoor growth.Soil
Bidens pilosa prefers well-draining loamy soil. It can tolerate a range of soil types but thrives best in nutrient-rich, slightly acidic to neutral soil. Ensure the soil has good drainage to prevent waterlogging.Fertilizer
This plant does not have high fertilizer requirements. If desired, a balanced, all-purpose fertilizer can be applied sparingly during the growing season to promote healthy growth.Repotting
As an annual plant, Bidens pilosa does not require repotting. However, if grown in containers, ensure the pot is large enough to accommodate its root system and has good drainage.Propagation
Bidens pilosa can be easily propagated by seeds. Sow the seeds directly in the soil after the last frost. The seeds germinate quickly, and the plant will establish itself within a few weeks.Pruning
Pruning is not necessary for Bidens pilosa. However, you can trim back any overgrown or leggy stems to maintain a tidy appearance and encourage bushier growth.Toxicity
Bidens pilosa is not toxic to pets or humans. It is generally considered safe, and some parts of the plant are even used in traditional medicine and as a food source in some cultures.Additional
Bidens pilosa is known for its resilience and ability to thrive in various conditions. It can become invasive in some areas, so it's important to manage its growth and prevent it from spreading uncontrollably.REVOLUTIONIZE YOUR PLANT CARE
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