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Broccoli tapping out

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Broccoli tapping out

Post  philct on 4/10/2012, 10:46 pm

Well I think I've finally done it... After planting during a warm week in March (zone 6a), covered with row covers and sheets during 2 hard freezes, they were actually doing well... This week, though, all of a sudden they are turning purple and looking a bit flimsy... My leaf lettuce I planted has really taken off, large bushy leaves...

Is it just the weather doing them in?
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philct

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Re: Broccoli tapping out

Post  Turan on 4/11/2012, 1:59 am

Purpling suggests a trace mineral deficiency. That can be exasperated by cold snaps. Bone meal and/or greensand usually would help.
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Re: Broccoli tapping out

Post  boffer on 4/11/2012, 1:59 pm

Cold feet prevents some brassicas from taking up all the nutrients they need, thus causing the purpling. If you have good MM, don't worry about it, they will be fine when it warms up.

This is the fourth year that mine have turned purple. That seems to be my normal.
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Re: Broccoli tapping out

Post  philct on 4/11/2012, 2:20 pm

@boffer wrote:Cold feet prevents some brassicas from taking up all the nutrients they need, thus causing the purpling. If you have good MM, don't worry about it, they will be fine when it warms up.

This is the fourth year that mine have turned purple. That seems to be my normal.

Sad to say this bed I have is not MM but my nursery's compost and cow manure mixed in. I filled it prior to knowing what SFG was. I'll be digging it out and replacing this fall, but have to make due until then as I already planted my spring crop in there
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Re: Broccoli tapping out

Post  boffer on 4/11/2012, 2:29 pm

As Turan mentioned, bonemeal will provide the necessary minerals if your planting mix is lacking.

If you feel you must do 'something' other than just waiting, I suggest giving half of your plants a dose of bonemeal. If they all make it, then you'll know it was cold feet. If the half that got bonemeal makes it, then you'll know that your soil was lacking.

If you give them all bonemeal, you won't have learned anything.
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