Growing Calendar for Radar Onion Sets
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Radar onion sets are an improved Japanese variety, perfect for autumn planting when they can be harvested from late May. Radar is loved for its mild flavour storage potential; under the right conditions it will store for about a year. A good variety with resistance to bolting.
Superb when eaten fresh & stores well into the autumn.
Radar are an over wintering onion sets and can usually be planted between September and December.
Prevent and Supress onion white rot
White rot is a disease that affects bulb vegetables like onion and shallots. Once you’re onion crop’s got it, it’s impossible to cure as such and you’ll need to stop growing onions in the same spot for at least eight years. You’ll recognise it at harvest time by fluffy white mould with black speckles that grows around the base of the bulbs.
Have no fear there’s a great way you can prevent it getting to your onions in the first place!
Before planting your onions plant a crop of green manure called Caliente mustard. It’s a great organic means of creating a soil environment that’s uninviting to the disease.
Caliente mustard is a known as a bio-fumigant and once it’s chopped up and dug into the soil, it releases a natural gas that repels the pathogens that cause the rot along with many other soil diseases.
Just sow a pack from any time between March and October for a quick crop before your autumn-planting-crops or sow in November to overwinter for planting crops in spring. Just before it flowers, cut it down and dig well into the soil.
Shiny plump sets.good size.
Same as for the reds
just enough for a small plot ideal
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