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Tomato Leaves Turning Purple
4 posters
Page 1 of 1
Tomato Leaves Turning Purple
I just noticed while potting up my tomato seedlings of 7 different types, that all of them are purple on the undersides of the leaves. When I looked it up I found a few possibilities: a phosphorus deficiency, a nitrogen overload, a common trait to the type, or they are cold which they will grow out of.
They live in mid 50's at nite and when I'm at work. If I know they will grow out of that I can live with it. But if it's a deficiency or overload I really need to something.
Has anyone else had this happen? What did you do?
CC
They live in mid 50's at nite and when I'm at work. If I know they will grow out of that I can live with it. But if it's a deficiency or overload I really need to something.
Has anyone else had this happen? What did you do?
CC
CapeCoddess- Posts : 6824
Join date : 2012-05-20
Age : 67
Location : elbow of the Cape, MA, Zone 6b/7a
Re: Tomato Leaves Turning Purple
If you have used a good compost blend in your Mel's mix in your garden, it should not be a problem once you transplant them. If you must wait quite some time to transplant your tomatoes into the outside garden, perhaps a small amount of weak liquid fertilizer will see them through.
43 years a gardener and going strong with SFG.
https://squarefoot.forumotion.com/t3574-the-end-of-july-7-weeks-until-frost
There are certain pursuits which, if not wholly poetic and true, do at least suggest a nobler and finer relation to nature than we know. The keeping of bees, for instance. ~ Henry David Thoreau
https://squarefoot.forumotion.com/t1306-other-gardening-books
Re: Tomato Leaves Turning Purple
Hmm...don't have any fertilizer, and they won't be going out for 3 or 4 more weeks. But I just potted them up into an brandy new batch of MM, so maybe the fresh compost hit will help? If not, maybe they'd like a very diluted compost/seaweed/urine smoothie? Or how would you make a fertilizer out of household ingredients?
CC
CC
CapeCoddess- Posts : 6824
Join date : 2012-05-20
Age : 67
Location : elbow of the Cape, MA, Zone 6b/7a
Re: Tomato Leaves Turning Purple
Skim chocolate milk is pretty high in phosphorus.
http://kidneyschool.org/pdfs/mod9/PhosphorusInFoods.pdf
http://kidneyschool.org/pdfs/mod9/PhosphorusInFoods.pdf
Turan-
Posts : 2605
Join date : 2012-03-29
Location : Gallatin Valley, Montana, Intermountain zone 4
Re: Tomato Leaves Turning Purple
CapeCoddess wrote:Hmm...don't have any fertilizer, and they won't be going out for 3 or 4 more weeks. But I just potted them up into an brandy new batch of MM, so maybe the fresh compost hit will help? If not, maybe they'd like a very diluted compost/seaweed/urine smoothie? Or how would you make a fertilizer out of household ingredients?
CC
I expect it will give them a boost. I just up potted all my peat pods into cups of MM for the same reason, nutrients.
Kay
A WEED IS A FLOWER GROWING IN THE WRONG PLACE
Elizabeth City, NC
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walshevak
Certified SFG Instructor-
Posts : 4374
Join date : 2010-10-17
Age : 80
Location : wilmington, nc zone 8

» Leaves turning purple
» Leaves turning brown on tomato plants
» tomato and cucumber leaves are turning yellow/brown.
» Seedlings turning purple
» Purple stems and leaves
» Leaves turning brown on tomato plants
» tomato and cucumber leaves are turning yellow/brown.
» Seedlings turning purple
» Purple stems and leaves
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