Spanish Needle (Bidens Alba)
Regular price $18.95A Pollinator Magnet and Resilient Wildflower
Bidens alba, commonly known as Shepherd's Needle, Spanish Needles, Beggarticks, or Butterfly Needles, is a hardy, fast-growing wildflower native to Florida and much of the Americas. Beloved by pollinators, its bright white daisy-like flowers with yellow centers bloom nearly year-round in warm climates, providing nectar for bees, butterflies, and other beneficial insects.
This versatile perennial or self-seeding annual thrives in full sun and a range of soil types, from poor sandy soils to fertile garden beds. It typically grows 1-4 feet tall and spreads quickly, making it ideal for naturalizing, erosion control, or wildflower gardens. The plant is drought-tolerant once established and can be easily propagated from seeds, which cling to clothing and fur for easy dispersal. It also has edible and medicinal uses—its young leaves can be eaten raw or cooked, and it has traditional applications in herbal remedies.
Bidens alba is an essential plant for supporting biodiversity while adding charm to your garden or landscape. Let its cheerful blooms and ecological benefits inspire your next gardening project!
Growing Guide For Bidens Alba
Native Range
Bidens alba thrives throughout Florida and much of the southeastern United States. Its resilience makes it a staple in wildflower meadows, roadside habitats, and home gardens.
Light Requirements
This plant flourishes in full sun but can tolerate partial shade, making it adaptable to various garden settings.
Soil Preferences
Bidens alba grows well in sandy, loamy, or even poor soils. It prefers well-drained conditions but tolerates occasional wetness.
Hardiness Zone
Suitable for USDA Zones 8-11, this perennial wildflower thrives in Florida’s subtropical and tropical climate.
Planting Bidens alba
Propagation
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From Seed: Sow seeds directly into the ground or in seed trays. Lightly cover with soil, as they need some exposure to light to germinate.
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Transplants: Young seedlings can be easily transplanted into their desired location.
Timing
Plant seeds or transplants in early spring or fall for optimal growth. In Florida, Bidens alba often reseeds itself and grows year-round in mild climates.
Spacing
Allow 12-18 inches between plants for adequate air circulation and to prevent overcrowding.
Caring for Your Bidens alba
Watering
Once established, Bidens alba is highly drought-tolerant. Water young plants regularly to help them develop deep roots. Mature plants need minimal supplemental watering unless there are extended dry periods.
Fertilizing
This low-maintenance wildflower requires no fertilization. However, a light application of compost can boost growth if your soil is particularly poor.
Pruning
To encourage continuous blooms, deadhead spent flowers regularly. If the plant becomes too sprawling, trim it back to maintain shape and encourage bushier growth.
Managing Pests and Diseases
Bidens alba is naturally resistant to most pests and diseases, thanks to its hardy nature. Monitor for minor issues like aphids, which can be removed with a gentle spray of water or neem oil.
Benefits of Growing Bidens alba
Ecological Benefits
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Pollinator Magnet: Bidens alba is a favorite of bees, butterflies, and other beneficial insects.
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Erosion Control: Its fast-growing roots stabilize soil in erosion-prone areas.
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Native Habitat Restoration: Ideal for naturalizing and supporting local wildlife.
Edibility
The leaves and flowers are edible, often used in teas and salads for their mild, earthy flavor. Always ensure plants are free from pesticide exposure before consuming.
Medicinal Uses
Traditionally, Bidens alba has been used in herbal medicine for wound healing, inflammation reduction, and as a tea for colds.
Harvesting and Seed Saving
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Harvesting: Pick young leaves and flowers for culinary or medicinal use. Older leaves may become tough and bitter.
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Seed Saving: Collect seeds from mature flower heads by gently shaking or plucking them. Store in a cool, dry place for future planting.
Bonus Tips for Florida Gardeners
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Self-Seeding: Bidens alba reseeds prolifically. To control spread, remove unwanted seedlings early.
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Wildflower Mixes: Pair with other Florida natives like Gaillardia or Coreopsis for a vibrant pollinator garden.
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Avoid Overmowing: Let Bidens alba bloom naturally to maximize its ecological benefits.