Photo by Melody

PlantFiles: New Zealand Burr, Spineless Pirri-Pirri, Purple Goose Leaf
Acaena inermis 'Purpurea'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Acaena (a-SEE-na) (Info)
Species: inermis (IN-er-mis) (Info)
Cultivar: Purpurea

3 vendors have this plant for sale.

2 members have or want this plant for trade.

Alpines and Rock Gardens

under 6 in. (15 cm)

12-15 in. (30-38 cm)

USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer


Other details:
May be a noxious weed or invasive
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Unknown - Tell us

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By mrporl
Thumbnail #1 of Acaena inermis by mrporl

By growin
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1 positive
No neutrals
1 negative

Gardeners' Notes:

Negative AC30 On Dec 17, 2014, AC30 from Bell Hill, WA wrote:

I will agree that the color of this low groundcover is very nice. However, once established, it became invasive in my garden, spreading rapidly and overrunning the beds.

Additionally, it seeds by putting up hundreds of slender stems with a spherical seed pod on top. When that seed pod dries, it will stick to anything and everything, your shoes, socks, pants, gloves. And of course, it's sticking to animals too and thereby spreading to other parts of your garden and to your neighbors as well.

Positive DaveH On Sep 16, 2012, DaveH from San Francisco, CA (Zone 10a) wrote:

This makes a great low ground cover with an attractie color. It spreads quickly by rhizomes, so be careful - it can become invasive if you don't control it's spread.


This plant has been said to grow in the following regions:

San Francisco, California
Seattle, Washington
Sequim, Washington

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