Gunnera tinctoria var. longiscapa

RHS Plant Profile
long-stalked Chilean rhubarb

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This plant is listed as an invasive non-native species in the UK – see Cultivation section for details A large, herbaceous perennial spreading to create dense clumps. The rounded leaves, 1-2m wide, are deeply lobed and borne on stout, prickly stalks. Tall, cylindrical spikes composed of tiny red-brown flowers appear in summer, followed by small green fruits suffused with red

Botanical Details

Family
Gunneraceae
Native to GB/Ireland
No
Genus
Gunnera may be evergreen or herbaceous rhizomatous perennials, and range from small creeping plants to very large with huge leaves. The flowers are small, borne in narrow panicles or spikes and may be followed by small berry-like fruits
Name Status
Correct

How to Grow

Cultivation

This plant is on the GB Non-Native Species Secretariat list of Species of Special Concern and the EU list of Invasive Alien Species of Union Concern (applies in NI). It should not be planted or caused to grow in the wild in the UK. It is also banned from sale, and gardeners who already have it should take steps to control it. See RHS advice on Gunnera and invasive non-native species for further information

Propagation

See cultivation notes

Pests

See cultivation notes

Diseases

See cultivation notes