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Gunnera manicata (Giant rhubarb)

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Skill rating Beginner
skill rating
Ultimate spread 4m
max. spread
Ultimate height 2.5m
max. height
Time to maturity 5-10 years
to maturity
Maintenance level 1 hour care
per year

Botanical name: Gunnera manicata

Other names: Giant rhubarb, Chilean rhubarb, Prickly rhubarb


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Genus: Gunnera

Species: G. manicata - G. manicata is a large perennial with rubarb-like, prickly leaves.

Gunnera manicata is: Deciduous

Flower: Green, Red in Summer

Foliage: Green in Spring; Green in Summer

Fruit: Dark-green, Dark-red in Autumn

Habit: Clump-forming, Spreading

Awards: RHS AGM (Award of Garden Merit)

Plant with: Metasequoia glyptostroboides (Dawn redwood), Zantedeschia aethiopica (Arum lily), Nymphaea 'Attraction' (Waterlily 'Attraction'), Metasequoia glyptostroboides 'Gold Rush' (Dawn redwood 'Gold Rush' )

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Watch out for

Pests: Generally pest-free.

Diseases: Generally disease-free.

General care

Propagation methods: Basal cuttings, Seed. REGISTER to read more...


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Gunnera manicata (Giant rhubarb) will reach a height of 2.5m and a spread of 4m after 5-10 years.


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Suggested uses: Architectural, Bog garden, Waterside

Cultivation: Plant in humus-rich, permanently wet soil in sun or partial shade. In autumn, bend the dying leaves over the crown of the plant to provide winter protection.

Suitable for your garden?
In progress indicator
This plant likes... Garden match
Soil types: Clay, Loamy Match unknown
Soil drainage: Boggy damp conditions Match unknown
Soil pH: Acid, Alkaline, Neutral Match unknown
Light: Partial Shade, Full Sun Match unknown
Aspect: South, East, West Match unknown
Exposure: Sheltered Match unknown
Hardiness: Hardy (H4), Tender in frost (H3) Match unknown

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We list 62 suppliers who tell us they sell Gunnera manicata (Giant rhubarb). In order to see the list you'll need to either register or log in as a full member.


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What Shoot members say...

"So delightful to see properly named plants, the prairie garden in particular, ah bliss!"

Alison Moody, Frogheath Nursery Landscapes - Burwash Weald, East Sussex

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Gardens with this plant

eric & kathryns natural retreat (ellies playground)

My garden
My garden
jules webb

Ashmore House
Ashmore House
Mike Greaves

 

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