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Gunnera peltata - Giant Rhubarb - 10 Fresh Seeds

Gunnera peltata - Giant Rhubarb - 10 Fresh Seeds


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Gunnera peltata - Giant Rhubarb - 10 Fresh Seeds

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Gunnera peltata - Giant Chiliean Rhubarb

This listing is for 20 seeds of this giant architectural plant.

This immense Gunnera is endemic to Alejandro Selkirk Island (the Alexander Selkirk, who was marooned here and inspired the novel Robinson Crusoe), in the Archipelago of Juan Fernandez off the coast of Chile and forms large stands in moist, sheltered areas. Gunnera peltata forms a stem up to 5 m tall. The gigantic leaves can reach 2 m in diameter and emerge from a nest of ruby-red fibers at the apex of the stem. Although virtually unknown in cultivation, it has extraordinary ornamental potential and will thrive in any consistently cool climate.

Gunnera species grow in deep, permanently moist, humus-rich soil in sun or partial shade. Large varieties need shelter from cold, drying winds and winter protection; all varieties are unsuitable for high heat and humid climates.  Plant it right after the last frost in spring and add as much compost, well-rotted manure and slow-release fertilizer as possible to the soil. Even after the plant has settled in, large amounts of compost, manure and fertilizer are needed.

Unprotected crowns can not survive temperatures below -7 Deg C. The crowns of smaller plants should be protected with dry mulch. The leaves of larger plants should be cut off after the first hard frost. Inverted, the leaves provide excellent coverage for the resting crowns. Another method to help keep out moisture is to remove leaves after the frost, cover the crown with 20 inches of straw, cover with a burlap tarp, or large plastic container, such as a tub, and than add another 20 inches of straw. Seasoned wood chips or sawdust will work even better. After all danger of a hard freeze is gone, in late March or early April, protection can be removed. Then be sure to mulch the Gunnera plant.

Gunnera plants may be planted in large containers for their first few years, depending upon their need for deeply cultivated, moist, fertile soil, in a sheltered location. Gunneras are great for waterside planting and other moist places.
For full instructions, see the link on my 'About Me' page, which will direct you to a set of free downloadable instruction sheets.

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Variety Gunnera
Type Seeds
Sub-Type Perennials

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