Bidens ferulifolia is a low-maintenance, sun-loving annual that bursts with vibrant yellow flowers from summer to early autumn. Known for its finely divided, fern-like foliage and profuse flowering habit, Bidens adds a sunny splash of colour to any Irish garden, patio pots, hanging baskets, or borders.
Thriving in full sun and well-drained soil, Bidens tolerates the mild, often wet Irish summers and continues blooming reliably despite variable weather. It’s a magnet for bees and butterflies, supporting local pollinators while brightening your outdoor space.
Botanical Name: Bidens ferulifolia
Type: Annual
Height: 30–45 cm (12–18 inches)
Bloom Time (Ireland): June to September
Flower Colour: Bright golden yellow
Position: Full sun preferred
Soil Requirements: Well-drained, fertile soil
Spacing: 20–30 cm apart
Irish Growing Tips: Sow indoors in early spring or direct sow after the last frost (May). Deadhead regularly to promote continuous flowering. Performs best in sheltered, sunny spots.
Note on Irish Climate Suitability:
Bidens is well adapted to Ireland’s temperate maritime climate. Its vigorous growth and tolerance of damp conditions make it an excellent choice for Irish gardeners seeking long-lasting summer colour.
Historical and Ecological Note:
Native to the Americas, Bidens has become a popular garden plant worldwide due to its easy care and bright flowers. It is a valuable addition to pollinator-friendly planting schemes and complements native Irish wildflowers beautifully.
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