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GUNNERA perpensa
Commonly known as River pumpkin
This species which is South African grows to around 2 feet and has green flower spikes from August
Plant Details
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Pests & DiseasesSlugs, snails.
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Place of originSouth Africa.
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Spikes
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Frost hardy (down to -5)
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Height75cm (30in)
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Spread75cm (30in)
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HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.Clump-forming perennial. Large, dark bluish-green, kidney-shaped leaves with prominent veins. Numerous small flowers are produced on slender spikes.
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Half hardy - unheated greenhouse / mild winterHardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
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Autumn Seasonal Interest
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Spring Seasonal Interest
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Summer Seasonal Interest
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Mature Size75cm (30in)
75cm (30in)
Planting Tips and Care Advice
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Garden Location/Conditions
Bog garden
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Soil Conditions
Wet or boggy soil- or deep, permanently moist, humus-rich soil.
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Sun Requirements
Full sunshelter from cold drying winds - protect crowns in frost prone areas.Partial shade
Gunnera - Care Guide
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Overpotting Problems - Video Tip ondemand_video