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Alpine RockeryHerbaceous Perennial

Acaena saccaticupula

blue goose leaf

A vigorous, evergreen perennial producing pinnate leaves, to 8cm long, grey-blue with 9-13 leaflets. Spherical white flowerheads are followed by dark red burrs to 2cm across, with pinkish-red spines in midsummer

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Ultimate height

Up to 10cm

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–facing or West–facing or East–facing

Exposure

Exposed

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Rosaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Matforming
Potentially harmful: Pets (dogs) - Burrs can irritate skin
Genus: Acaena can be evergreen perennials or subshrubs with pinnate leaves with dentate leaflets. Tiny flowers are carried in a dense rounded head or spike, followed by attractive burr-like fruiting heads
Name status: Correct
Plant range: New Zealand

How to grow

Cultivation

This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act (Northern Ireland) as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause these to grow in the wild IN NORTHERN IRELAND Gardeners possessing them should undertake measures to control them. See RHS advice on invasive non-native species for further information

Propagation

Please see cultivation notes

Suggested planting locations and garden types

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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