Overview

Bidens bipinnata is a herbaceous annuals, perennials, or deciduous shrubs annual biennial in the genus Bidens, part of the Asteraceae family, with opposite, simple or pinnately divided leaves foliage. Bidens bipinnata grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders, containers and hanging baskets.

About

Bidens bipinnata, commonly known as Spanish needles or cuckolds, is a herbaceous annual within the Bidens genus, which includes annuals, perennials, and deciduous shrubs. This plant features opposite leaves that may be simple or pinnately divided and produces daisy-like flowerheads in spring and summer. It thrives best in full sun on a south-facing, sheltered aspect with fertile, well-drained loam soil that is neutral in pH and kept moist. Suitable for borders, containers, and hanging baskets, it is hardy to UK zone H4 and can be propagated by seed sowing in spring or cuttings in autumn or spring.

Growing conditions

Best soil and position for Bidens

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Bidens bipinnata size, habit and characteristics

Plant type
Annual Biennial
Habit
Herbaceous annuals, perennials, or deciduous shrubs
Foliage
Opposite, simple or pinnately divided leaves
Suggested uses
Borders, containers, hanging baskets

Care notes

Pruning and caring for Bidens bipinnata

Propagation
Seed sowing in spring, cuttings in autumn or spring
Pest resistance
Aphids
Disease resistance
Powdery mildew, downy mildew, rust

Frequently asked questions

Where is the best place to plant Bidens bipinnata?

Bidens bipinnata prefers full sun. It suits sheltered positions.

What soil does Bidens bipinnata need?

Bidens bipinnata grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist.

Is Bidens bipinnata hardy in the UK?

Bidens bipinnata has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Bidens bipinnata?

Seed sowing in spring, cuttings in autumn or spring.

More in the Bidens genus

Browse all Bidens