Ask a Question forum: cucumber plants

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Name: JESSICA WILLIAMS
VA (Zone 7b)
Jessleigh24
Apr 30, 2017 8:07 AM CST
Does anyone know why my cucumber plants are Turing yellow as soon as i plant them in the ground they appear to be growing good they just have a lot of yellow leaves I gave them an Epsom salt bath that I heard is for when they turn yellow and it didn't work every year they turn yellow and then die off could it be my ground is there something else I need to put in the ground Idk can anyone help
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Name: Christine
Saugerties, NY zone 5a
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Christine
Apr 30, 2017 8:53 AM CST
How think is the mulch and has the soil ever been amended? How often do you water?
Name: Elaine
Sarasota, Fl
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dyzzypyxxy
Apr 30, 2017 9:23 AM CST
What else are you using for fertilizer besides Epsom Salts? It only has magnesium, not the essential major nutrients.

Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

smokingdonkey
Apr 30, 2017 1:27 PM CST
Both the replies have valid points,
Are you sure these plants are the outdoor variety ? that will live without humid hot house conditions.
Yellowing is a sign of to much water or watering at the wrong times or even to longer gaps between watering,
another problem with such plants is that the leaves get to wet for to long,
Here in france the french use the top cover both for toms and cucuumber,
All it is is a tunnel frame effect over the top only of the plants, it keeps the rain off the leaves,
One final question are you feeding these plants weekly?

Nettle feed or comphrey plant made feed is very good "but" only feed the bottom of the plants,
toms and cucuumber dont like wet leaves (hairy leaved plants dont like wet leaves, they're from the cactus family hence they like hot conditions)
Name: JESSICA WILLIAMS
VA (Zone 7b)
Jessleigh24
Apr 30, 2017 2:48 PM CST
I was watering in the evening the mulch is thin and I just put it on lastnight and they were yellow already and no I haven't put any miracle grow on them yet cuz I didn't want to burn them
Name: JESSICA WILLIAMS
VA (Zone 7b)
Jessleigh24
Apr 30, 2017 2:51 PM CST
And what does it mean has the soil been amended?
Name: Elaine
Sarasota, Fl
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dyzzypyxxy
Apr 30, 2017 6:35 PM CST
You definitely need to start fertilizing. You can use your Miracle-Gro at half strength at first, but that's very likely the reason the plants are sort of pale. For the rest of the summer, a timed-release pelleted fertilizer formulated for veggies would be a better choice than Miracle-Gro (which you'll have to use every 2 weeks). But for an immediate boost, the soluble fert is the best choice.

Soil amendments are things like compost, peat moss and other organic materials that are added to improve the fertilitiy of the soil. The cellulose fibers of the organic stuff act like little sponges, mixed in with your soil particles so they hold moisture and nutrients around the root area of your plants, then when they dry out they shrink and give air to the roots as well.

Next year, before you plant get yourself a few bags of well aged compost. You'll be surprised how well everything responds.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
May 1, 2017 7:01 AM CST
Jessica, do they get those leaf spots every year too? If so, do the spots increase to cover more of the leaves and then the leaves die? I'm wondering if you have a disease situation, so it would be good to eliminate that as a possibility. If you are watering in the evening and using overhead irrigation that will increase the risk of disease.
Name: JESSICA WILLIAMS
VA (Zone 7b)
Jessleigh24
May 2, 2017 11:30 AM CST
yes this is my fourth year and every year they have turned yellow spotty and died off but usually not until the end of the season this time it happened within 3 days after I planted them and next year if I start if I get compost or peat moss do I just mix it in the whole ground like till it together or put it in each plant as I plant
Name: JESSICA WILLIAMS
VA (Zone 7b)
Jessleigh24
May 2, 2017 11:31 AM CST
Is there anyway to find out if I have and diseases in the ground?
Name: Sue
Ontario, Canada (Zone 4a)
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sooby
May 2, 2017 1:03 PM CST
Do you always plant them in the same place? If so, is it possible to plant them somewhere away from that location next time? Try to water them in the early morning so that the leaves dry quickly because the longer the leaves are wet the more likely they are to get diseased.
Name: Elaine
Sarasota, Fl
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dyzzypyxxy
May 2, 2017 1:03 PM CST
Yes, next year when you are getting ready to plant just get as much compost as you can, and mix it in with your present soil. Compost does break down and disappear eventually, so if you make it a habit to just add some every year going forward your soil will remain healthy.

There's no doubt you have lots of micro-organisms in your soil, but that may not be what's causing the leaf spotting. For the most part, soil-borne disease in the top areas of the soil are killed by winter chilling. Leaf spotting diseases are usually airborne, i.e. something like a spore lands on the leaf and begins to grow. This is the big reason not to water your plants in the evenings - wet leaves sitting overnight invite fungus infections. Water thoroughly in the morning to let the leaves dry off well in the sun before dark.

Also, have you checked the undersides of the leaves for bugs? Aphids, whiteflies or spider mites can all cause leaf spots. If you find any, a mild, soapy water spray will take care of them. 1/2tsp. dish soap to a quart of water. Stronger is not better. Rinse off the plants before the sun hits them as soap can make the leaves photo-sensitive.

In any case, once the plants get into full growing mode, the leaf spots become unimportant, as the plant has plenty of green leaves to make food for itself and produce your cucumbers for you, too.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill

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