Acaena magellanica — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Acaena magellanica

Acaena Magellanica

Updated · 12 observations
ON THIS PLANT

Acaena magellanica, commonly called buzzy burr or greater burnet, is a species of flowering plant whose range includes the southern tip of South America and many subantarctic islands.

A note from PlantMom

New zealand burr has strong disease resistance and is generally not prone to illnesses. However, it can be susceptible to pests and diseases present in its surroundings. These infections are usually mild. In terms of care, this plant requires medium maintenance. It should be pruned regularly to maintain a good appearance and healthy growth. Fertilizing can also help encourage flowering. New zealand burr is suitable for anyone with an outdoor space, such as a garden or patio, and does not demand extensive care experience. It may need more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Acaena Magellanica.

Light

New Zealand burr is native to habitats like forest understories or rocky terrain, where it occurs in natural shade. It prefers partial sun but can adjust to full sun or full shade, illustrating its versatile, hardy nature.

Temperature

New Zealand burr does well in cold climates and at high elevations. It favors cool temperatures, good airflow, and a moist setting. In summer, steps must be taken to keep it cool because it is highly sensitive to heat and can easily die from it. Dry conditions can also damage the plant. In winter, no special cold protection is necessary, though the soil should be kept moist.

Fertilizer

A single fertilizer application in spring is usually sufficient for New zealand burr, but several feedings can maximize growth. Feed once every month to a month and a half. Fertilizing improves leaf appearance and function, helping maintain even color and a healthy texture. It also promotes root development and nutrient uptake for long-term plant health.

Pruning

To help your New Zealand Burr thrive, perform early spring pruning to remove damaged foliage and manage its growth. By trimming the sprawling stems, you can maintain the plant's shape and enhance its density. Regular pruning also improves air circulation, which reduces the risk of disease. Always use sharp, clean tools, and avoid heavy pruning outside the optimal season.

Pot & Repot

When repotting New zealand burr, select a pot 1-2 inches (2.5–5.1 cm) larger with good drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball sits slightly lower than the rim of the flower pot. Water thoroughly after repotting and place it in a warm spot with indirect sunlight.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Acaena
Family
Rosaceae
Hardiness Zone
5-9
Mature Height
20 cm
Mature Spread
91 cm
Leaf Color
Blue, Gray, Silver
Leaf Type
Evergreen
Flower Color
Brown, Green
Flower Size
0.51 cm to 1.02 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Early fall
Native Area
New Zealand, Peru
ALSO KNOWN AS

Other names.

en Buzzy burr en Greater burnet en Prickly burnet en Prickly burr en New zealand burr
PLATES
Acaena magellanica leaf
PLATE 01 · leaf
Acaena magellanica leaf
PLATE 02 · leaf
Acaena magellanica flower
PLATE 03 · flower
Acaena magellanica habit
PLATE 04 · habit
ALSO IN THE LIBRARY

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