Shepherd's needles (Bidens cynapiifolia)
Care, watering, light and tips for Shepherd's needles on Floravia.
Quick facts
- Family: Asteraceae
- Difficulty: Easy to care for
- Watering: every 3 days
- Light: Full sun
- Temperature: 0–35 °C
About Shepherd's needles
Bidens cynapiifolia, commonly known as "West Indian Beggarticks," is an annual or short-lived perennial herb native to tropical and subtropical regions of the Americas. It features small yellow flowers in capitula and deeply divided leaves, giving it a light and airy appearance. Although often considered a weed, it can be an interesting addition to wild or naturalized gardens, where its blooms attract pollinators.
Native range
Tropical and subtropical regions of the Americas, including the Southern United States, Mexico, Central America, the Caribbean, and South America.
Care tips
It thrives in full sun for abundant flowering and vigorous growth. This adaptable plant tolerates a wide range of soils but prefers well-drained ones; watering should be moderate, allowing the substrate to dry slightly between waterings. Avoid waterlogging, as it is susceptible to root rot. A common mistake is underestimating its self-seeding ability, which can lead to rapid proliferation if not managed.
How to save a dying Shepherd's needles
- Warning signs
- Yellowish or brown, wilted, lifeless leaves. No flowering or dry flowers.
- First aid
- Move to partial shade, water if soil is dry, improve drainage. Prune dry stems.
- What kills it
- Excessive moisture and constant shade, rotting roots and stems.
- Can it be saved?
- Yes, if roots are not completely rotten and conditions are corrected.