Hey ladies and gents my name is Tyler and i'm new to this forum. I walked outside yesterday and the leaves on my cucumber plant started to have a shade of yellow tent on the leaves. Today I walked outside and it's 100x worse. I used a 8-5-5 nutrient on it a couple days ago but the plant was used to that for I have been giving it nutrients for a while now. I don't know how to fix it any help will be greatly appreciated. Thanks people!!! I've added a picture of the cucumbers so you can get an idea of what i'm talking about.

Nutrient

Plant

Hi and welcome to garden.org. Could you please give us more information before we attempt a guess?

First of all we need to know where you are - you can fill in that info on your personal profile (the little person icon in the blue sidebar at the top) so your city/state/country will appear in your posts. Just a zone doesn't help, since we need to know what the weather has been like in your area recently. Hot, rainy, humid or dry etc.

Second, how deep is that tub they are growing in? Is there good drainage? When you water them thoroughly, does lots of water come out the bottom? What kind of soil did you use in the pot? Is the tub in the sun for most of the day?

Third, is that fertilizer a pelleted, timed release type or do you dissolve it in water to apply it? The leaves don't look like they've been burnt by fertilizer, and the green parts are a pretty healthy color.

Could you also post some more pictures - the whole plant from the side view, a close-up of one of the affected leaves, both top and bottom, and a close-up of the stems too?

I am looking at your plant and wondering if the leaves before treatment were really pale and yellow thru out. Now the plant has soaked up your fertilizer and most of those leaves have turned deep green so the pale part is really much more noticeable.

Make sure it is well watered and don't let it dry out. Let's see what happens to those leaves in the next few days.

Are you giving it any other fertilizer as well, since the one in your picture doesn't appear to contain all the essential plant nutrients?

Also has anything changed in its environment, exposure to more sun for example?