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anyone into growing vegetables? what is wrong with my potato plant?

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anyone into growing vegetables? what is wrong with my potato plant?

Old 07-02-2020, 08:32 AM
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Default anyone into growing vegetables? what is wrong with my potato plant?

Started from old store potatoes about maybe a couple of months ago...

It looked super strong, green, and alive until a week or 2 ago.
Now it looks like the pictures below. not so green, some of the flowers and leaves are melting and getting brown, etc...
The only thing I can think of is the extreme heat levels we are currently seeing here in south FL.
I'm watering it mostly every day around sunset when they are not going to be hit by direct sunlight until the morning.
What do you think? too much heat? too much water? too little water?




Old 07-02-2020, 08:40 AM
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My thoughts. Not worth much but I say heat. I live in south Alabama. Our golden rule says potatoes are planted on Valentine’s Day.
Old 07-02-2020, 08:56 AM
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Once temperatures hit the 90's here the potatoes go downhill fast. The temperature in and around that black pot probably exceed 150 degrees. I'd put them in the shade and see if you can prolong their life or just pull them and eat what's there.
Old 07-02-2020, 09:00 AM
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Slugs maybe. Every time I’ve tried to grow potatoes, the slugs eat everything, and they do it quickly!
Old 07-02-2020, 09:04 AM
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Mine are doing the same thing in Nebraska, they are shaded some during the afternoon. Not sure what is happening..
Old 07-02-2020, 09:15 AM
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root rot. let them dry out. watering every day is excessive.
Old 07-02-2020, 09:18 AM
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Too much water. Give them a little shade. There also may be too many plants for that container. Water in the am not at dusk. Watering lade brings pest, and mold/ fungus.
Old 07-02-2020, 10:14 AM
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put the plant in the ground and hill it up
Old 07-02-2020, 11:33 AM
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I'm a novice at gardening but one other thing I've read is that recently cut wood chips (which seems to be what you used as a top mulch at least) can actually rob nitrogen from the soil causing a lock of nutrition to your plant.

If the wood chips are only on the surface of your soil it *should* only affect seedlings and transplanted plants/potatoes start with roots deep enough that it isn't an issue.

If you mixed in fresh woodchips throughout the soil then this would also be a potential issue and a quick Nitrogen soil test would tell you for sure.



"A common misconception is that fresh wood chips tie up nitrogen during their decomposition. For sure, nitrogen depletion will be a temporary problem when fresh wood chips are incorporated into the soil, which is why we should only use fresh chips as a surface mulch. In this case, nitrogen depletion would only be right at the soil surface, which may be one reason wood chip mulches are efficient at suppressing seed germination. Because of this, and the general coarseness of wood chips, they probably are best not used around vegetables and in annual flower beds."
Old 07-02-2020, 12:08 PM
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Potato growing season in Florida is over. All the farmers here in the potato growing capital have harvested and gone on vacation. Next year, plant earlier and use seed potatoes for better results.
Old 07-02-2020, 12:12 PM
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No help here but my buddy filled his hot tub up with dirt and did well growing potatoes here in hot Florida.
Old 07-02-2020, 12:16 PM
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I just started growing things this year. Waiting for these strawberry plants to produce some berries.



Old 07-02-2020, 01:36 PM
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I believe it's the heat. I have the same issue here in PA. We finally have temps in the 90's and they started turning yellow at the same time.
Old 07-02-2020, 02:51 PM
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Originally Posted by Team Rock On View Post
Once temperatures hit the 90's here the potatoes go downhill fast. The temperature in and around that black pot probably exceed 150 degrees. I'd put them in the shade and see if you can prolong their life or just pull them and eat what's there.
moving it to a place where it does not get so many hours of sun now... will see if it recovers...
Old 07-02-2020, 02:54 PM
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Originally Posted by RipTideBBQ View Post
Slugs maybe. Every time I’ve tried to grow potatoes, the slugs eat everything, and they do it quickly!
Nope... do not thing are slugs... I think in the last 10 years in this house I have only found 1 slug...
Also, I check the plants at least once a day, so I think I would have seen them
Old 07-02-2020, 02:57 PM
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Originally Posted by Dead Horse View Post
put the plant in the ground and hill it up
Planning to do this in the near future... I already built a raised bed. 12ft x 4ft x 2ft high.

Just need to find good potting soil without having to sell a kidney to fill it up
Old 07-02-2020, 02:58 PM
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Originally Posted by ZENFOLD View Post
I believe it's the heat. I have the same issue here in PA. We finally have temps in the 90's and they started turning yellow at the same time.
The heat has been brutal these past weeks....
Old 07-02-2020, 03:19 PM
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Should be worth more than $6.00/qt. Looks tasty to me as is.
Old 07-02-2020, 03:21 PM
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Wrong season for regular potatoes in S. FL. Its sweet potato time, maybe even a little late for that now. Check the FL AG calendar for your zone.

Edit to add, there are a few good FL and SFL specific gardening groups on FB if that's your thing. Can learn a lot from there.
Old 07-03-2020, 01:00 AM
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Originally Posted by Dwalt View Post
Potato growing season in Florida is over. All the farmers here in the potato growing capital have harvested and gone on vacation. Next year, plant earlier and use seed potatoes for better results.
I bet I live near you (Hastings?). I would say blight and not enough fertilizer. I grew them puppies for 25 years.
I grew some white and red potatoes from some sprouted store bought potatoes in my garden, they had a good yield of large potatoes. I did plant them in January and sprayed a few times for blight and worms.

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