giant rhubarb

How to Grow and Care for giant rhubarb

giant rhubarb · Gunnera manicata
Also known as: Chilean rhubarb; prickly rhubarb

Grow in permanently moist, humus-rich soil in full sun or partial shade. Shelter from cold drying winds. Protect crowns by mulching during the winter months. This plant is listed on Schedule 3 of the EU (Birds and Natural Habitats) Regulations 2011 in the Republic of Ireland as an invasive non-native species. While this does not prevent it from being sold or from being grown in gardens in the Republic of Ireland, the RHS encourages those that do grow it to take great care with managing it and with disposing of unwanted material. The RHS also encourages gardeners in the Republic of Ireland to find alternative plants to grow to those listed on Schedule 3

Watering: Moderate regular watering, avoid prolonged drought or waterloggingSunlight: Full sun · Partial shadeInformation to be completed

Planting and Growing giant rhubarb

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Care difficulty3 / 5
Watering scheduleModerate regular watering, avoid prolonged drought or waterlogging
Sunlight requirementsFull sun · Partial shade
Ideal temperatureInformation to be completed
Soil typeClay · Loam
Soil pHAcid · Alkaline · Neutral
Soil moisturePoorly drained
FertilizingBalanced feed in spring and light repeat in growth season
ToxicityInformation to be completed
Care Tips

Grow in permanently moist, humus-rich soil in full sun or partial shade. Shelter from cold drying winds. Protect crowns by mulching during the winter months. This plant is listed on Schedule 3 of the EU (Birds and Natural Habitats) Regulations 2011 in the Republic of Ireland as an invasive non-native species. While this does not prevent it from being sold or from being grown in gardens in the Republic of Ireland, the RHS encourages those that do grow it to take great care with managing it and with disposing of unwanted material. The RHS also encourages gardeners in the Republic of Ireland to find alternative plants to grow to those listed on Schedule 3

How to Water giant rhubarb?

Moderate regular watering, avoid prolonged drought or waterlogging

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What Are the Sunlight Requirements for giant rhubarb?

Full sun · Partial shade

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What Is the Ideal Temperature Range for giant rhubarb?

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What Soil Is Best for giant rhubarb?

Soil type
Clay · Loam
Soil pH
Acid · Alkaline · Neutral
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What Are the Moisture Requirements for giant rhubarb?

Poorly drained

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How to Fertilize giant rhubarb?

Balanced feed in spring and light repeat in growth season

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How to Prune giant rhubarb?

Cut back after flowering

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How to Propagate giant rhubarb?

Propagate by seed sown in gentle heat as soon as ripe, seed quickly loses viability. Propagate by cuttings of leafy, basal buds in spring

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How to Transplant giant rhubarb?

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How to Care for giant rhubarb in Winter?

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How to Plant giant rhubarb?

Grow in permanently moist, humus-rich soil in full sun or partial shade. Shelter from cold drying winds. Protect crowns by mulching during the winter months. This plant is listed on Schedule 3 of the EU (Birds and Natural Habitats) Regulations 2011 in the Republic of Ireland as an invasive non-native species. While this does not prevent it from being sold or from being grown in gardens in the Republic of Ireland, the RHS encourages those that do grow it to take great care with managing it and with disposing of unwanted material. The RHS also encourages gardeners in the Republic of Ireland to find alternative plants to grow to those listed on Schedule 3

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How to Repot giant rhubarb?

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How to Harvest giant rhubarb?

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Common Pests & Diseases

Diseases

Generally disease free

Pests

Generally pest-free

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The Toxicity of giant rhubarb

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More General Info About giant rhubarb

Attributes of giant rhubarb

Plant typeBogs · Herbaceous Perennial
Height1.5-2.5 metres
Spread2.5-4 metres
FoliageDeciduous
HabitClump forming
OriginBrazil

Scientific Classification

Species
Gunnera manicata
Genus
Gunnera
Family
Gunneraceae
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FAQs About giant rhubarb

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