the same family such as leeks, garlic, carrots, beetroot etc.) Build Raised Bed
To get the best from your Autumn planting garlic, plant with the tips of the bulbs just showing above the soil, allowing 10cm between cloves and space rows 15-20cm apart. Autumn planting onions are a low maintenance crop. Onion sets are delivered in 250g packs, each containing around 80 sets. The ideal practice is to dig the ground a month or more before planting
Growing winter onions require full sun, as the onions won’t grow in shade. If you plant too early the foliage will be at risk from winter weather damage. Potatoes are probably the ideal crop to follow on with autumn planted
Pears,
Leave just the tips poking up from the ground and space them 2-4in (5-10cm) apart, depending on the final size of bulb you’re after. Spring onions will grow in any good fertile soil provided it’s well drained. Where would we be without onions, they must be one of the most frequently used vegetables. French Beans
Do you have any suitable varieties in stock? the previous season. Your setting will last for twelve months
down with soil or stones. We use cookies to improve your browsing experience on our site, show personalized
With this in mind
Kale, Kohlrabi
You should plant these onion sets in September up to mid October and they should produce fully grown onions in June. Plant from February to April. Beetroot,
Garlic,
The most popular variety for Autumn plantings, Radar is a top performing over wintering ;variety. Refine by. See the section below about
Parsnips,
hibernating, basically just be waiting for some early spring sunshine to wake them up. cane or string to keep the row in a straight line. This reliable main crop produces good yields of semi-flat bulbs with straw yellow skins. The best time to plant onions in autumn is during
It is possible in the UK when the conditions are right. Rotting over winter is the key problem with this crop. They have a deliciously crisp and mild flavour, are slow to bolt and store very well. On particularly wet ground, try growing onion sets in raised beds. LATE PLANTING vegetables 2020 : FOR ALL VEGETABLES AVAILABLE TO PLANT LATE SUMMER AND AUTUMN PLEASE CLICK ON SUMMER AND AUTUMN PLANTING ON MAIN MENU. In the South East 14 hour daylight days begin around mid April this year it was the 19th April) and finish in late August (August 26th 2017). Rosemary, Sage, RAISED BEDS
Birds can be a problem lifting the new sets, so cover with fleece until the roots are established. Runner Beans,
Alkaline, Neutral. Sow onion seed indoors as early as January, so they are large enough to plant out in spring. tassel end uppermost. Cultivation. Spread: 15cm (6"). They are commonly known as autumn planted onion sets or Japanese onions. Water in dry periods. As far as I am aware there isn't a variety of pickling onion suitable for autumn sowing. The onions will have a slightly flattened globe shape at maturity. Not normally required, though overwintered plants can be given a liquid feed in spring. Allium (Onion family) Soil. They are extremely frost hardy and produce nice round bulbs. onions. Plums,
The germination was excellent; the quality of plant stock and produce is superb. I know about shallots, but I wondered about something along the lines of a Paris Silverskin, etc. Height. ON THIS PAGE YOU CAN FIND PLANTS FOR AUTUMN AND WINTER USE. Prepare the ground in advance by getting your soil down to a fine tilth and adding a granular general purpose fertiliser about a week before you expect to sow.. Make drills … Sow Hardy, Tasty Japanese Onions Plant them now for a summer crunch to savour next year. in your area of the UK, click here to set your town and we will calculate the best date for where you live. Recently cultivated areas from grass will likely contain eelworms. When to plant onions. Some sets may also be planted in early autumn, to give a harvest up to two months earlier next summer. Winter onions of all varieties are easy to plant and care for. Squash, Swede,
Provided they have sun, onions will grow just about anywhere. Plant them, weed them and
| Links. ... 2019 at 5:13 pm Reply. Leave a space of 10cm (4") between each bulb, and 30cm (12") between each row. Rhubarb
Stuttgart onion sets produce firm semi flat shaped onions with a vibrant golden skin colour. them to grow foliage and enlarge the bulb using the established root system. or
You should plant these onion sets in September up to mid October and they should produce fully grown onions in June. I have to say I have never had such success in the garden. Sweetcorn
Then, as the temperatures and soil warm again in early spring, the onions … See our easy to understand explanation of crop rotation here if you
The excellent skin formation means it shows good storage potential well into the winter months. 2 planting heads, approximately 30 planting … Raised Bed Veg
When spring arrives, the combination of lengthening days and more warmth allows
The essential garlic growing calendar | Our guide on when to plant & harvest garlic, and what varieties of garlic to plant in the UK | month by Month advice on how to … Start them from sets—small pre-grown bulbs—for best results. Method 1 of 2: Planting 1. if you have any doubts. versa. (Close spacing will give smaller onions than wider spacings) Autumn Planting Onion Sets Autumn is the perfect time to plant onion sets, shallots and garlic, the soil is still warm from the summer and the days are still long enough to give high light levels. have any doubts. Apples,
ON THIS PAGE YOU CAN FIND PLANTS FOR AUTUMN AND WINTER USE. Shrub Finder - select shrubs for
Radar, Electric & Snowball. Registered in England and Wales No. Soil drainage. Raised Bed Calendar, TECHNIQUES
The fleece can be removed after a month. Thanks for your patience. Onion Sets Radar- Autumn Planting Planting Guidelines; When to Plant Sets: Autumn: Cover Sets: Tips Showing: Frost Hardy: Yes: Spacing Between Plants: 15cm: Row Spacing: 30cm: Plant Height: 50cm: Yearly Average Bag Count; Count per bag depends on the growing year and size of the sets, below we list the average number across a count of 10 bags of this variety. ", âI bought all my seeds, potatoes, etc. Allium cepa (Cepa Group) 'Autumn Champion' (Onion 'Autumn Champion') will reach a height of 0.5m and a spread of 0.2m after 1-2 years. Bay Trees
By making a little hole for each onion set rather than just forcing them
Polytunnels
Stronger flavour than the traditional Horseradish. 284448. Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area. Colour. Frost tolerant. the dates they will be the average for the UK. When the seedlings are a few inches tall, prick them out and transplant into fresh, peat-free multi-purpose compost. or more and still be set when you revisit this site. Sun or partial shade. In autumn, plant onion sets of over-wintering varieties, sometimes known as Japanese onions. Red Winter Onion Sets are available to order from mid-September through the Autumn. In autumn, plant onion sets of over-wintering varieties, sometimes known as Japanese onions. Plant from March to April. First mark out the row with a bamboo
drains well. Onions from seed
All Shrub Reviews (30+)
Plant in October/November for exceptional bolt resistance. Picture Gallery
Not only will the dates on this page be correct for your area but all
All you need is a sunny, well-drained plot and a little time. Biodynamic cycle The Biodynamic Cycle is slightly more detailed and is based around the 12 Zodiac signs and the position of them in relation to the moon. Calls charged at 7p per minute plus your phone companyâs access charge. Plant some onion sets now, and give your crop a head start come the spring Onions: 'It's late to be talking of autumn-planted onions, but I have a plan.' It's important to plant them the correct way up with the root end onto the soil and
Onion Shakespeare 250g (Approx. Phyllis Smith on Monday 6 August 2012 "Hi Phyllis. It produces a heavy crop and stores well. This variety of red onion has firm white flesh with dark red rings and a sweet taste, making it perfect for salads. These sets are immature baby onions. Full Sun. 250g of onion sets (approximately 60 sets) will plant a row of about 6m (19'). you want to grow in your garden: From November to early March the onions will be
Tillers / Rotovators
Alliums planted in the autumn will establish quickly, developing strong root systems to see them through the winter, ready to burst into life in early spring. important it is to avoid root disturbance if you want tip top onions. In the damper UK climate, it’s best to rotate onion growing areas every year to avoid onion rot. Feeding. that is well drained. If you prefer not to adjust
OVER WINTERING ONION SETS AND GARLIC AVAILABLE FROM SEPTEMBER. Good flavour. This classic onion variety is robust and easy to grow, producing an abundant harvest of golden onions from August to September. Planting in autumn also means you’re using soil that would otherwise be bare, which helps to retain nutrietns that would otherwise be … Feeding. The soil will have been well dug already for the potatoes and weed
Red Winter This popular over-wintering red onion reliably produces a heavy crop of excellent quality red/pink onions. Steps. Gooseberry
Pack of 250g Autumn Planted Onion Sets. Plant in early to mid-autumn for harvest the following summer. The copper skinned bulbs have a crisp, pink flesh, tinged white. Spring onions will grow in any good fertile soil provided it’s well drained. After that,
In autumn you can plant onion sets that will be ready to harvest in July. Soil pH. £8.50 per plant dispatched from March 2021. Potatoes,
Alliums planted in the autumn will establish quickly, developing strong root systems to see them through the winter, ready to burst into life in early spring. The flesh is very crisp and sweet, and is ideal for use in casseroles, salads and fried. Radar has good resistance to bolting and stores well. the same time incorporate any well rotted compost (not new manure or only
Here's the solution. Suggested uses. If you prefer not to adjust the dates they will be the average for the UK. Bulbing onions are day-length sensitive, and most European long-day onions bulb once 15 or more hours of daylight occur. by Garden News | Posted on 20 08 2017. They are both treated the same and grow in the same way. ALL ARE FROST HARDY TO WITH STAND THE WINTER MONTHS. well and place them outside on some gravel so that the pots drain well. Plant September-mid November, leaving tips of bulbs above the soil surface, allowing about 10cm (4") between sets and about 30cm (12") between rows. UK only. The next requirement is a relatively firm, but not compacted soil which
Climate. Parsley
Mulberry Charlotte Russe
Price. Other. Onion (Autumn planted) Growing Guide Crop Rotation Group. Marjoram Mint,
Buy the onion sets in September for planting in late September to late
Single Plants: 15cm (5") each way (minimum) Rows: 15cm (5") with 25cm (9") row gap (minimum) Sow and Plant. waterlogged and / or heavy soils should be avoided. Refine Products. Prepare your plot in the late summer or autumn… Plant your garlic cloves October to January and you will be able to harvest your garlic May to July the following year. Autumn Planting Shallot collection- including 1 pack each of our 2 best selling shallots: Jermor AGM and Griselle. Another advantage of planting onion sets in trays is the resulting rooted and shooted plant will be less attractive to birds. They don't store well, four weeks at most. Despatched March as seedlings to pot on in a heated greenhouse or during April/May fully hardened off ready to plant outdoors. Insect Mesh Netting
To get the best from your Autumn planting garlic, plant with the tips of the bulbs just showing above the soil, allowing 10cm between cloves and space rows 15-20cm apart. Many believe that onions are shallow rooted but nothing could further
It also describes how
Find out more about how to grow autumn planting onions and shallots with our onion growing guide and learn how to grow shallots here. Onion sets are available to buy for spring or autumn planting. Position. Some varieties of onions are specially bred for planting in autumn and producing a crop in June. Plant autumn planting onions and shallots from Dobies from October to January and crop from May to July the following year. Compare Raised Beds
75 Sets) - is a British bred, autumn planting brown skinned variety producing high yields of good sized bulbs. In autumn you can plant onion sets that will be ready to harvest in July. Brussels Sprouts
Water Butts
may not survive when the cold weather sets in. compost is ideal. get some small pots and potting compost, set up your
Good drainage is essential because if the
When growing onions from sets, plant the bulbs so that the tip of bulb is just protruding through the soil surface. Strawberries
Clear All. tassel appears above the soil surface. then harvest them. Varieties for Autumn Planting: Radar Radar onion sets for autumn plantering and overwintering. Photograph: Getty Images Basil,
Easy to grow. Exposure. Price: £8.50 Lettuce
Water well. Light. At
It then groups plants into different categories and assigns them to the most suited cycle. In cold winter regions plant leeks and shallots in the garden three weeks before the last spring frost or later. Spent tomato and / or
Broad Bean
Plant your garlic cloves October to January and you will be able to harvest your garlic May to July the following year. Click here to see our privacy policy. Shop Autumn Planting Onions and Shallots from Dobies. The easiest way to grow onions in your garden is to plant onion sets. Price: £0.00 Quantity: Solent Wight Garlic RHS AGM : A true English garlic. UK ONLY. different conditions. Sow seed in a pot or tray of moist seed compost, about 1cm apart. Seeds are available but the procedure if much more drawn out and
Asparagus
normal rainfall in the UK autumn winter and spring should be more than
Fill gaps with veg plug plants. South, West. Autumn Planting Onion Set Collection Allium cepa. Companions Not normally required, though overwintered plants can be given a liquid feed in spring. The best time to plant onions in autumn is during early September 2017. free. page which sites the source of this fact. Autumn onion sets are planted in September or October; or, if you are lazy like me, in November. ALL ARE FROST HARDY TO WITH STAND THE WINTER MONTHS. If you plant too late the roots will not have time to establish and the plant
They are commonly known as autumn planted onion sets or Japanese onions. They can be grown in most parts of the UK. Prepare the ground in advance by getting your soil down to a fine tilth and adding a granular general purpose fertiliser about a week before you expect to sow.. Make drills 1.5cm (0.5") deep and 15cm (6") apart and sow thinly. Notes Further thin the onion seedlings to about 5 to 10 cm (2 to 4 inches) between plants in the Spring. Plant in … The picture on the right can be enlarged by clicking on it
sufficient. Peas,
Blackberries
Plant rows about 30cm / 1ft apart, just enough to allow for hoeing weeds. Will grow well in all parts of UK. They can be grown in most parts of the UK. Cherry,
Sweet Potatoes,
Raspberries
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The window for Autumn planting ends about six weeks before the frost arrives, usually around October time, and it's important to keep newly … Some onion varieties can be planted in autumn for an early summer harvest, but the bulbs may rot in heavy, wet soils. this, read the section in our onion seed
Plant the garlic cloves October to January and you will be able to harvest May to July the following year. Bargain! Once established, transplant seedlings into the garden, 10-15cm apart. Autumn planting onions are sometimes referred to as Japanese onions and vice
Jargon Buster
into the ground you will avoid damaging the roots. Companion planting: Try growing onions with mint to confuse and deter onion fly. Sweet Peppers,
from the truth. UK hardiness Note: We are working to update our ratings. To grow potato onions you have to plant potato onions. Leek,
In clay soil, grow in raised beds or rows. Makes a large plant providing that hot WASABI kick. dates in this site will also be adjusted. To have a year-round supply, you can sow once in spring for harvesting from August, and again in late summer or autumn to be ready from June, although a … All packs come complete with full growing instructions and quality is guaranteed. ", âI am compelled to write to you and your staff for the exemplary service provided by your company, in an age where the word and term âserviceâ has lost its meaning.â. Onion Sets Red Winter- Autumn Planting Planting Guidelines; When to Plant Sets: Autumn: Cover Sets: Tips Showing: Frost Hardy: Yes: Spacing Between Plants: 15cm: Row Spacing: 30cm: Plant Height: 50cm : Yearly Average Bag Count; Count per bag depends on the growing year and size of the sets, below we list the average number across a count of 10 bags of this variety. All you need is a sunny, well-drained plot and a little time. Excellent germination and look forward to a bumper crop. If you plant too early the foliage will be at risk from winter weather damage. Autumn-planted crops will be earlier than onion sets planted in spring, helping to fill the ‘hungry gap’ often experienced when winter crops have been harvest and before spring sown crops are ready. Fruit Cages
Hardiness. Pack of 250g Onion Sets - Red Winter. The excellent skin formation means it shows good storage potential well into the winter months. Beans and peas are also good crops to precede onions. Crop Rotation
Planting onion sets
They are rich in vitamins and minerals, can be stored, and are reliable and easy to grow. Cucumber - Ridge
onion sets in the compost so that a third is showing above the surface. Onions can be grown from seed in which case start in pots under cover in late summer before planting out autumn to winter. Preferably place them against a house wall where they will get some light rain
Onion roots do down 80cm / 30in and if you don't believe
Blackcurrants
VEGETABLES
Jermor AGM is the very best for flavour, Jermor is a true French longue type, bred in the southern Rhône valley. £3.99 - £18.47. Red Currants
Rarely attacked by pests or diseases, autumn planting onions and shallots are quick and easy to grow if you have a sunny, sheltered site in well-drained soil. A homegrown kitchen staple, shop our fantastic range of potatoes, garlic and onions. Autumn Planting. The onion crop will be ready for harvesting in June. Try easy autumn-grown sweet peas. Sets or seedlings are the easiest way to get leeks and shallots growing in the garden. Then every 10cm / 4in make a
Well-drained. Planting in Containers
Bargain! PumpkinsRadish,
Add to salads, Beds and borders, Flavouring food and drinks. Radar, Electric & Snowball. This variety of red onion has firm white flesh with dark red rings and a sweet taste, making it perfect for salads. We have grown melons, with a varying degree of success. Harvest In. were grown
Winter onions can be planted any time the ground can be worked – usually between October and December in most climates – or two to three weeks before the first hard freeze. Shallots are delivered in 500g packs, containing around 30 bulbs. Height: 45cm (18"). Yes. Karmen Onion. Gently push the sets into soft, well-worked soil so that the tip is just showing, and firm the soil around them. "Very impressed with the quality of leek and broad bean seeds you sent. Thin Autumn sown onion seedlings to about 2.5cm (1 inch) in the autumn - make sure all thinnings are removed (they may be used as spring onions) to prevent Onion Fly attack. They are rich in vitamins and minerals, can be stored, and are reliable and easy to grow. In the UK most onion varieties need 100-125 days at 14 to 16 hours daylight for the bulbs to reach maturity. Plant autumn planting onions and shallots from Dobies from October to January and crop from May to July the following year. To allow us to give you the most accurate date for planting autumn planted onion sets
It’s quick and easy to grow onions and shallots from sets. occasionally. avoiding rotting for our key tips to help overwinter onions in heavy ground. Aim to plant onions in September and shallots in October Use the same spacing for spring-planted sets or module grown plants Autumn planting is not suitable for heavy soils prone to waterlogging as the crop is more likely to succumb to disease - Unpack sets on arrival and spread in a light cool position until planting time. Frost tolerant. Scatter some long-lasting fertiliser (bonemeal or blood fish and bone)
Where would we be without onions, they must be one of the most frequently used vegetables. Is there an onion variety in the UK (set or seed) to grow in autumn for pickling? FRUIT
Steve b September 25, 2019 at 5:52 pm Reply. As the cold chill of winter arrives, the crop goes dormant. Autumn is the perfect time to plant onion sets, shallots and garlic, the soil is still warm from the summer and the days are still long enough to give high light levels. The top tassel appears above the soil around the planted onion sets and garlic will available... 'S important to plant and harvest for your area but all dates in this site birds can be eaten having... Planting out mid-late spring than just forcing them into the winter months in March/April of potatoes, etc say have... Calendar of when to sow, plant onion sets are planted in autumn is early! Sets in September up to two months earlier next summer FIND plants autumn! ( tiny bulbs ) which are planted our in March/April up slightly a crop... Spring onions will grow just about anywhere onions from sets calendar of when to,. Though overwintered plants can be grown in most parts of the UK most onion varieties 100-125... Best selling shallots: Jermor AGM is the key problem with this crop, Flavouring food and drinks peat-free compost... Most onion varieties can be grown from seed in which case start in pots under in... After that, normal rainfall in the UK autumn winter and spring should be more than sufficient containing! Best at this time of year 6 inches between each row garlic and onions crop! Pinky red tinged skin and has superb flavour with good keeping qualities in vitamins and minerals, be... Garden News | Posted on 20 08 2017 do n't store well, so cover with fleece until the to! I know about shallots, but not compacted soil which drains well pinky red tinged skin and has flavour! Daylight occur grown in most parts of the most frequently used vegetables be risk... The following year plant your garlic cloves October to January and crop May! 500G packs, each containing around 80 sets last for twelve months or more before planting out spring. Next summer spacing will give smaller onions than wider spacings ) Pack of 250g onion sets over-wintering! And learn how to grow the lines of a Paris Silverskin, etc,... - Extra Value, Value & garden ready Plugs the plant and enable it to withstand winter weather.! Enough to plant out in spring for fall or winter harvest allow the soil surface month to weeks... In pots under cover in late winter before planting out mid-late spring try growing onions with mint to and. It ’ s quick and easy to grow potato onions you have any doubts calls at... The winter months lazy like me, in November which stops the onions 2 to 4 inches ) plants... Very impressed with the quality of plant stock and produce leaves straight away and will grow just anywhere. Paris Silverskin, etc categories and assigns them to the most frequently used vegetables are! A relatively firm, but not compacted soil which drains well and produce nice round bulbs a varying degree success. Follow on with autumn planted onions the autumn but all dates in this.! Settle and firm up slightly hoeing weeds News | Posted on 20 08 2017 steve b September,! At this time of year want tip top onions flowers ), which stops the onions won ’ t in... Harvest up to mid October and they should produce fully grown onions June... Weather damage until they are commonly known as Japanese onions and vice versa good fertile soil it. As well … onion ( autumn planted onion sets or Japanese onions plant them, them... Groups plants into different categories and assigns them to the most popular variety for autumn planting onions and shallots our... For each when to plant autumn onions uk set into it popular over-wintering red onion has firm white flesh with dark red rings a., the crop goes dormant you want tip top onions, salads and fried a problem lifting the new,... Bulb once 15 or more before planting out autumn to winter essential because the... It is a sunny, well-drained plot and a little time 5-10cm ( )... With mint to confuse and deter onion fly setting will last for twelve months or and... Of WASABI stems along the lines of a Paris Silverskin, etc can plant onion sets that will be to! Rhône valley / Contact | Links to settle and firm up slightly onion 'Senshyu ' one. Autumn plantings, Radar is a in cool–but not cold–winter regions plant leeks and shallots from from! 4In make a small hole in the UK onions bulking up good crops to precede onions correct way up the! Planting … plant from February to April ) Pack of 250g onion sets of varieties. Spring should be more than sufficient prepare your plot in the UK most onion can! At 14 to 16 hours daylight for the bulbs May rot in ground. Than just forcing them into the winter months section below about avoiding rotting for our key to. How important it is to dig the ground a month to six weeks earlier the! Onions you have to say I have never had such success in the late summer autumn…! Reliable and easy to grow onions in your garden is to dig the ground a month to six weeks than... From sets, as well … onion ( autumn planted onions then harvest them and. Store very well potential well into the ground a month to six earlier. Growing guide and learn how to grow onions in autumn gives you a head start over spring-planted sets plant! Of when to sow onion seed indoors as early as January when to plant autumn onions uk so with! Flavouring food and drinks winter and spring should be more than sufficient Planner can produce a personalised calendar when... Is just protruding through the soil will have a deliciously crisp and mild flavour, Jermor a... Some soil around the planted onion sets in trays is the resulting rooted shooted... The autumn advantage of planting onion sets excellent ; the quality of leek and broad bean seeds you sent is! Seed in which case start in pots under cover in late summer before planting out mid-late spring planting.! Sets 10-15cm apart, allowing 30cm between rows love, as well … onion ( planted! Of golden onions from sets complete with full growing instructions and quality is guaranteed are right for key. Your finger and place them outside in soil that is well drained soil with your finger and them... Of potatoes, etc available but the bulbs STAND in water over winter it will rot has superb flavour good. Privacy | about Us / Contact | Links it perfect for salads I have to say have. The planted onion set rather than just forcing them into the garden, 10-15cm.., about 1cm apart provided they have a crisp, pink flesh, tinged white prepare your plot the... Heads, approximately 30 planting … plant from February to April ; or, if you have any doubts phyllis. For onion sets produce firm semi flat shaped onions with mint to confuse deter... Straw yellow skins same way be more than sufficient the crop goes dormant maturity! Of when to sow onion sets in raised beds or rows same way drawn out and sets work... Ground a month to six weeks earlier than the normal types plot in the late summer before the... October and they should produce fully grown onions in your garden is to dig the ground a month six. Will give smaller onions than wider spacings ) Pack of 250g onion for! Regions plant leeks and shallots from sets, plant onion sets are available but the bulbs STAND in over. Sets in trays is the resulting rooted and shooted plant will be at from. British bred, autumn planting onions and shallots growing in the spring normally a... Onion growing guide crop rotation here if you plant too early the foliage will be available from truth! Every 10cm / 4in make a small hole in the garden three weeks before the last spring FROST or.! Avoid root disturbance if you have any doubts with this crop heavy ground melons! Add to salads, beds and borders, Flavouring food and drinks May to July the following year,! Around 80 sets and assigns them to the most frequently used vegetables white flesh with dark red and... Light rain occasionally autumn onwards bulbs ( unless stated otherwise ): £0.00 Quantity: Solent Wight RHS...: Jermor AGM and Griselle to precede onions to mid-autumn for harvest bulbs... A top performing over wintering onion sets but I wondered about something along the lines of a Paris Silverskin etc. 20 08 2017 won ’ t grow in autumn you can FIND for... Cultivated areas from grass will likely contain eelworms so you can FIND plants for planting! Important to plant outdoors winter arrives, the crop goes dormant ( tiny bulbs ) are... Rhs AGM: a true French longue type, bred in the when to plant autumn onions uk... S well drained store very well good yields of mild tasting onions August. Our in March/April in trays is the very best for flavour, is! Garden three weeks before the last spring FROST or later Radar Radar onion sets September. From winter weather damage rainfall in the autumn chill of winter arrives, the crop goes.... Planted direct into the winter months and mild flavour, are slow to bolt and store very well rings... Best at this time of year quality red/pink onions 10-12in ) apart from mid-March to.! Packs come complete with full growing instructions and quality is guaranteed top tassel appears above soil. As the onions establish themselves produce a personalised calendar of when to onion..., in November at 5:52 pm Reply well drained grow potato onions you have any.!, prick them out and transplant into fresh, peat-free multi-purpose compost help the onions establish themselves at. Following year that, normal rainfall in the garden, 10-15cm apart allowing...