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Advanced skill rating |
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0.5m max. spread |
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0.5m max. height |
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1-2 years to maturity |
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4 hours care per year |
Botanical name: Allium cepa 'Senshyu Semi-Globe Yellow'
Other names: Onion 'Senshyu Semi-Globe Yellow'
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Genus: Allium
Variety or cultivar: 'Senshyu Semi-Globe Yellow' _ 'Senshyu Semi-Globe Yellow' is a bulbous perennial cultivated as a vegetable with strap-like, green leaves and round, edible, straw-coloured bulbs by mid-summer.
Allium cepa 'Senshyu Semi-Globe Yellow' is: Deciduous
Foliage: Green in Summer
Stem: Yellow-brown in Summer
Fruit: Pale-brown in Summer
Habit: Clump-forming, Upright
Awards: Recommended by the National Institute of Agricultural Botany
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Specific pests: Eelworm (stem and bulb) , Leek moth , Onion fly
Specific diseases: Bolting , Bull neck , Downy mildew , Neck rot , Rust , Saddleback , Shanking , Smut , White rot , White tip
Pruning: Break off any flower heads that appear.. REGISTER to read more...
Propagation methods: Seed, Sets. REGISTER to read more...
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Allium cepa 'Senshyu Semi-Globe Yellow' (Onion 'Senshyu Semi-Globe Yellow') will reach a height of 0.5m and a spread of 0.5m after 1-2 years.
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Suggested uses: Add to salads, Beds and borders, Flavouring food and drinks
Cultivation: Often grown from sets, which are quick maturing, adaptable, and less prone to mildew and onion fly. Or grow from seed in prepared beds. It is a good idea to rotate site annually. When preparing bed in autumn add lime if soil is acid.
| This plant likes... | Garden match | |
| Soil types: | Loamy, Sandy |  |
| Soil drainage: | Well-drained | |
| Soil pH: | Alkaline, Neutral | |
| Light: | Full Sun | |
| Aspect: | South, West | |
| Exposure: | Sheltered | |
| Hardiness: | Tender in frost (H3) | |
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