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Don’t be tempted to grow garlic bought from the supermarket as these varieties may not be suited to our climate, however once you have bought some bulbs you can retain one or two for planting in subsequent years. Garlic needs to be subjected to a cold spell in order to produce cloves. A successful way of growing garlic is to plant in a tub and leave in a cold greenhouse over winter. This helps prevent the cloves form becoming too wet and rotting. The tubs can be brought out early in spring. Alternatively plant in pots and grow on over winter in the cold greenhouse and plant out on the plot in spring. Harvest when tops begin to brown and bend over -
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Can be tricky. Long growing season -
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Although you can grow onions from seed it is easier to grow them from sets (immature bulbs). Winter onions are planted in autumn and harvested in late spring. These do not store well. Other onions are sown in spring and harvested in late summer. These can be stored over winter. Heat treated sets of spring planted onions are far less likely to bolt and produce hard flower stems although they are more expensive. Red and white varieties can be less reliable. Harvest spring planted onions when leaves brown - Onion sets can be started earlier by planting in pots in a cold greenhouse and planted out later Mixed Heat Treated Sets, Hytech (heat treated yellow onions), Senshyu (yellow not heat treated) Autumn Champion (plant in autumn to start pulling June/July)
More information on planting onions here |
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These are treated in the same way as onions and usually grown from sets. Shallot sets are larger than those of the onion and each set produces a cluster of shallots. Like onions shallots can be started off early in pots in a cold greenhouse.
More information on planting onions here |
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Unpredictable -
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Garlic
Shallots
Spring Onion
