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Produce => Edible Plants => Topic started by: Magnolia on June 08, 2008, 19:32:25

Title: Onions flowering???
Post by: Magnolia on June 08, 2008, 19:32:25
Some of my onions have produced a bud on their stalks.  Do I nip these off or pull the whole onion up?  Apologies for the totally clueless question.  I tried googling but didnt come up with anything.
Title: Re: Onions flowering???
Post by: Jokerman on June 08, 2008, 19:39:15
I usually, pull the onion up and use asap as these won't store at the end of the season, if you have a few then nip off the flower and use them whenever possible. Sometimes when you nip the flower off it can cause the onion to rot while still growing...

>:(

Title: Re: Onions flowering???
Post by: OllieC on June 08, 2008, 20:37:38
Yup, remove the flowers & try to use those ones first like Mr Joker says. My shallots are doing it for the first time this year, which is more annoying 'cos you can't mark them very easily.
Title: Re: Onions flowering???
Post by: Magnolia on June 08, 2008, 22:17:48
Thanks so much.  Glad I asked as I would have left them.  Just pulled about ten and eaten a couple raw - wow they taste fab!  Some more are being stir fried as I speak.   ;D
Title: Re: Onions flowering???
Post by: antipodes on June 09, 2008, 12:29:25
waaaaah my nice red onions are starting to produce seed too, and it is leaving a nasty hard stalk in the middle of them :(
I am so disappointed, they were doing so well not so long ago. Luckily the echalotes and yellow onions seem OK...
Title: Re: Onions flowering???
Post by: chappy on June 10, 2008, 09:43:17
Mine to antipodes.  Red onions doing it and no where near having a decent sized bulb on them.

I've just nipped them off and will see how they do.
Title: Re: Onions flowering???
Post by: STEVEB on June 10, 2008, 11:49:30
pull them leave in a bucket and collect the seed.
Title: Re: Onions flowering???
Post by: Chris Graham on June 10, 2008, 12:16:37
None on mine yet and I have over 200 sets planted.  Probably wont be long till it does happen as I planted early.

Oh well, fun growing food though!
Title: Re: Onions flowering???
Post by: shaolin101 on June 10, 2008, 12:46:16
Mine have done the same - no bulb but started to grow seed pods. Suppose they will be another spring onion lot then.

I also have the same happening to one of the shallots. I dug it up a bit to see if there was anything under ground but it doesn't have much in the way of the bulbs. Any ideas what to do with this as it doesn't look edible but if it can be eaten i will!

Thanks
Title: Re: Onions flowering???
Post by: manicscousers on June 10, 2008, 18:06:22
still use it as spring onions, shaolin, there's someone on our plot uses all his shallots like this, just pulls up a clump  ;D
lots of our reds are doing this but the others are ok
Title: Re: Onions flowering???
Post by: OllieC on June 10, 2008, 18:08:23
Quote from: STEVEB on June 10, 2008, 11:49:30
pull them leave in a bucket and collect the seed.

I wouldn't - surely this results in selecting ones with a propensity to bolt?
Title: Re: Onions flowering???
Post by: chappy on June 10, 2008, 19:50:55
Oh no, just spotted one on my white onions as well.

For the last few years onions have been my banker.

Have to leave them a little while longer as there will be nothing to eat yet.
Title: Re: Onions flowering???
Post by: Debenvalley on June 10, 2008, 19:56:24
Mine have done the same, especially the white autumn sets.

I couldn't work out why some of them have gone moudly but from whats been said above I guess they are the ones where I have taken off the emerging seed head ?

I've thrown away any with signs of mould, others with signs of bolting are now hanging in the greenhouse to dry and will be used as soon as possible.

Title: Re: Onions flowering???
Post by: chappy on June 10, 2008, 20:23:13
So I guess the question is...Why do they bolt?

Seems to be due to cold weather stress according to these articles....

http://www.agrisupportonline.com/Articles/why_do_onions_bolt.htm (http://www.agrisupportonline.com/Articles/why_do_onions_bolt.htm)

http://www.ipm.iastate.edu/ipm/hortnews/1995/3-17-1995/onion.html (http://www.ipm.iastate.edu/ipm/hortnews/1995/3-17-1995/onion.html)

Then this forum post suggests being too warm...

http://www.chat.allotment.org.uk/viewtopic.php?t=4568 (http://www.chat.allotment.org.uk/viewtopic.php?t=4568)

As mine were planted quite late.  I guess mine must be due to warm weather rather than cold.

Think I'll pull mine tommorow.  Seems to be the general consensus.

Chappy.
Title: Re: Onions flowering???
Post by: manicscousers on June 10, 2008, 20:49:48
seems wierd, the red onion overwintering onion sets in the polytunnel are now drying, really good size, none bolted and the tops were battered by wheelbarrows and legs, they were planted along the edge of the bed
the march planted red sets, lots have bolted
so, being too dry or too warm doesn't pan out in this, unless they've had less ups and downs, mind you, it's been 94 degrees in there quite a lot this year  :)
Title: Re: Onions flowering???
Post by: chappy on June 10, 2008, 21:28:40
I just been out a pulled one of the reds which I pulled the head off the other day.

And no onion on it all that was on it was a rotten set. :(

Gonna leave the rest and see what come of them.

Teach me to plant so late.
Title: Re: Onions flowering???
Post by: posie on June 10, 2008, 21:49:49
10 out of 12 of my red onions bolted and nothing on them, most of them rotted.  about 7 out of 12 of white ones and about 5 out of 12 of the yellow ones.  But realised later on in year that the drainage in the bed that I planted them in was dreadful so suspect the soil got waterlogged.  will be moving them up the plot this year I think.
Title: Re: Onions flowering???
Post by: tonybloke on June 10, 2008, 22:27:45
red onions are noted for bolting if planted before the spring equinox, something to do with daylength/ dark.
I hold off planting 'til then, not as many problems as my neighbours!  ;)
Title: Re: Onions flowering???
Post by: Spudders on June 12, 2008, 23:06:54
Hi

I have a problem with white rot on my plot.  I would suggest that if a lot of your onions are bolting check for a white mould on the base of the onion around the roots.

Onions that have a white rot problem will pull out of the soil a lot easier than an unnaffected onion.

Title: Re: Onions flowering???
Post by: manicscousers on June 13, 2008, 08:56:13
hiya, spudders, welcome to the site..we've lost a few shallots but there's no mould, just soggy bulbs, the ones at the other end of the row are fine  ???
Title: Re: Onions flowering???
Post by: shirlton on June 13, 2008, 18:23:21
We cannot grow red onions for love nor money.A few of our seed onions are seeding though. Gives me an excuse to start pulling them
Title: Re: Onions flowering???
Post by: Spudders on June 14, 2008, 19:02:51
I was just wondering how everybody prepared the soil for their onions.  I dig the soil over and then put a plank down and firm it down slightly by putting my foot on it.

It sounds strange to dig some soil and then firm it down again but I have read that onions like slightly firm soil but obviously not compacted.

Another thing I noticed was that the wind around here was quite bad earlier this year and the swaying of the stems had actually caused a big gap round the base of the stems and I had to firm them in again.

If you plant onions in unfirmed soil I think this wind rocking will actually start rocking the onion bulb and start stressing it's roots.

Just another suggestion for peoples bolting onions hope it helps.
Title: Re: Onions flowering???
Post by: Robert_Brenchley on June 14, 2008, 19:05:45
All I do is dib a hole, drop the set in, and cover it with a good couple of inches of grass mulch.
Title: Re: Onions flowering???
Post by: Barnowl on June 16, 2008, 09:57:37
I loosen up a top layer then push the sets in firming the soil around them once they're about a third covered.

A question for Robert on the grass mulch aspect: I'm always worried that  my grass cuttings contain weeds that will propagate in the bed, also that the mulch will go slimy. How do you avoid these two problems.
Title: Re: Onions flowering???
Post by: cornykev on June 16, 2008, 20:33:46
I'm with Rob, dib and drop.  ;D ;D ;D
Title: Re: Onions flowering???
Post by: Toadspawn on June 16, 2008, 22:48:40
I have a big problem with my Red Baron onion bolting this year. About 50% have produced a flower bud. I like red onions because of the flavour and colour but there will not be many bulbs to store this year. I almost feel like ceasing to grow them but are there any other varieties you would recommend and the name of the supplier or do all red onions bolt. If this is the situation when would you recommend planting to reduce/eliminate the problem?
I normally start the sets off in modules in the GH and then plant into the garden in March/April.
Title: Re: Onions flowering???
Post by: Robert_Brenchley on June 16, 2008, 23:04:49
Grass mulch will only go slimy if you either get a monsoon like last year, in which case you have to endure it till the weather clears up, or if it's inordinately thick. Even six inches over the spuds is normally OK. As for weed seeds, you won't get many from grass that's cut regularly. If you maintain a layer of mulch, they never get a chance to grow anyway.