I have 4 plants that are 20 days old and and I started them in Foxfarm ocean forest soil and they have been looking good and now I have noticed last night that the set of round leaves are turning yellow and the first true two leaves are slightly turning yellow, not much yet, but I can tell. There are also like 4 sets of leaves on them now. Could this be the beginning stages of nitrogen def? The guy at the hydro shop told me the soil has enough nutes in it for a month, but it has only been 20 days. Could the plants of almost used all the nutes in the soil already? I have them in 16 oz. dixie cups. I just watered them last night so I cannot water them for another 3-4 days, so if they turn yellow on the bottom leaves somemore, should I give them 1/4 strength nutes in like 3 days after the soil dries up? Thanks One of the plants it looks like the veins between the leaves are alittle purple too.
20 day old plant with foxfarm soil problem
- Thread starter pimpnitjc
- Start date
Did not add lime and I am not sure if it is PH or not. My PH on the meter reads 6.4 when I put just plain water in. But I just started this thread here about my Meter : https://www.rollitup.org/general-marijuana-growing/126820-hanna-ph-pen-weird.html
Therellas
Well-Known Member
yeah i guess your supposed to add lime to the FF soil.
the ratio is floating around the boards .
I mixed my soil a while ago and i forget.like half cup per gallon but im not sure off the top of my head.
Did you check the water before
or did you take the reading from the run off.?
the ratio is floating around the boards .
I mixed my soil a while ago and i forget.like half cup per gallon but im not sure off the top of my head.
Did you check the water before
or did you take the reading from the run off.?
CuriousSoul
Well-Known Member
It is quite normal for the coleoptile to die off during development so I wouldn't worry about that. Likewise with the first true leaves but that usually happens way later in development. Personally I would use the 1/4 strength nutes and watch closely to see if it helps. If it doesn't, don't add any more and post some pictures on the plant problems forum. Happy growing.
CuriousSoul
Well-Known Member
It'll be fine mate; like Jesus said, as long as the new growth looks healthy there is nothing to worry about.
cannabillion7
Well-Known Member
im workin with the exact same soil, almost 28 dats in veg. and i was thinking i had a MG def. so i used a little epsom salt. this seems to happen to me every time and i still get killa buds! just trim off leaves that are seeming to do more bad than good.
You should not add lime to FFOF. It is stabilized with calcium from sea shells. What you are describing is somewhat normal with the lower leaves. Make sure your water is pH 6 - 6.5 (after adding ferts if you are adding them) and you won't have any pH issues with FFOF. Use something like Earth Juice Natural Down, not a home remedy.
As to the yellowing there are two possibilities I can think of - first is that FFOF is too hot for your strain, becuase it is too hot for starting seeds of some strains, though most thrive in it. Second is that you really do need nutes but that is doubtful for the young plants you describe. More likely they need starting in a more neutral soil for the seedling stage.
As to the yellowing there are two possibilities I can think of - first is that FFOF is too hot for your strain, becuase it is too hot for starting seeds of some strains, though most thrive in it. Second is that you really do need nutes but that is doubtful for the young plants you describe. More likely they need starting in a more neutral soil for the seedling stage.
Lowkster
Well-Known Member
Bamstone....Thats exactly what I needed to hear!!!! I am currently growing some White Russian, and I was wondering why, at day 10, my bottom leaves were yellowing. Im using the FF soil, so I think what you said was right. The WR seed should have probably been grow best in neutral soil to start.....good advice!!!
So what would I need to do then, just wait on the nutes a while longer or give them 1/4 strength? Here are some pics, the first two are of the slightly yellow bottom leaves and the the third is a pic of the top of one of them and the last pic is of two plants that look alittle droopy..I gave them water yesterday thinking it would perk them back up. My PH is 6.6
DoobyDoo
Well-Known Member
Leaves growing out of the top are supposed to be lime green. That is completely normal, don't worry.
Your plants look pretty good to me. I'm no expert, but if they were my plants I wouldn't worry about it. I'd keep an eye on things, but not worry. If leaves other than the very bottom ones start turning yellow, then I would start trying to fix things.
Your plants look pretty good to me. I'm no expert, but if they were my plants I wouldn't worry about it. I'd keep an eye on things, but not worry. If leaves other than the very bottom ones start turning yellow, then I would start trying to fix things.
My White Rusian did okay in FFOF but it's home made from Serious AK47 f2's & DP White Widow. Other strains, most notably Blueberry just die in it. I now mix FFOF 50/50 with spagnum peat (AKA Miracle Grow Seed Starter) for starting Blueberry and other "sensitive strains". After they get a good hold and a few sets of five blade leaves I put them into 100% FFOF and they love it.
Therellas
Well-Known Member
what other strains man?
what do you mean sensitive?