Onion 'Senshyu Semi-Globe Yellow' (Allium cepa 'Senshyu Semi-Globe Yellow')
Botanical Name:
Allium cepa 'Senshyu Semi-Globe Yellow'
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.
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.
Awards:
Recommended by the National Institute of Agricultural Botany
Suggested uses:
Add to salads, Beds and borders, Flavouring food and drinks
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)
Specific pest(s):
Specific diseases(s):
- Bolting
- , Bull neck
- , Downy mildew
- , Neck rot
- , Rust
- , Saddleback
- , Shanking
- , Smut
- , White rot
- , White tip
Pruning:
Break off any flower heads that appear.
Propagation method(s):
Seed, Sets
Skill rating:
Advanced
Maintenance hours / year:
4
Detailed monthly care instructions can be found in your care calendar (you need to have an account for this service)
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
Ultimate height (m):
0.5
Ultimate spread (m):
0.5
Time to maturity:
1-2 years
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