Acaena buchananii (New Zealand Burr)

Plant Profile

Acaena buchananii, known as New Zealand Burr, is a low, creeping, evergreen perennial from New Zealand. It forms a dense mat of small, pinnate, gray-green leaves. In summer, it produces small, greenish flowers followed by distinctive, spiny, reddish-brown burs (hypanthia) that cling to fur and clothing. Tolerates light foot traffic.

Key Characteristics

• Family: Rosaceae (ro-ZAY-see-ee)
• Genus: Acaena (a-SEE-na)
• Species: buchananii (byoo-kah-NAN-ee-eye)

Growing Conditions

Full sun to part shade, well-drained soil. Hardy in USDA zones 7–9. Drought tolerant once established.

Landscape Uses

Groundcover, rock gardens, between pavers. Burs can be a nuisance.

Maintenance

Trim edges. Remove burs if desired. Divide in spring.