Switched to Flower Nutrients too soon

Stutterfly

Stutterfly

New Member
So I switched to flower nutrients right at 12/12 and my plants are all super yellow/lime now, 3.5 weeks in. I just flushed and added some grow nutrients with nitrogen. Will my plants get some dark green back or am I lucky if they don't turn any more yellow? Also how dramatically should I expect this to effect my yield? Thanks in advance.

Using fox farm nutes in coco coir
two 300 watt mars hydro leds
 

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tpc_mikey

tpc_mikey

Well-Known Member
I dont really see any yellow but see lots of purple lites get us a pic with grow lites off be much more helpful but to answer question the dark green wont come back on established growth best you can do at this point is stop it from progressing but giving veg nutes 3 weeks in is not a good idea your plants not focusing on growing leaves anymore its focus is building buds to make seeds and reproduce, no its focus is taking up P and K but what the hell give it a small amount may help a bit. rookie mistake always give veg nutes for first 2 weeks of flower and if your 3.5 weeks clock started at 12/12 flip they your really not 3.5 weeks in flower timer starts when you see your first pistil sprout. so im guessing your 2 to 2.5 weeks into flower fyi.
 
Dr. Who

Dr. Who

Well-Known Member
tpc_mikey said:
I dont really see any yellow but see lots of purple lites get us a pic with grow lites off be much more helpful but to answer question the dark green wont come back on established growth best you can do at this point is stop it from progressing but giving veg nutes 3 weeks in is not a good idea your plants not focusing on growing leaves anymore its focus is building buds to make seeds and reproduce, no its focus is taking up P and K but what the hell give it a small amount may help a bit. rookie mistake always give veg nutes for first 2 weeks of flower and if your 3.5 weeks clock started at 12/12 flip they your really not 3.5 weeks in flower timer starts when you see your first pistil sprout. so im guessing your 2 to 2.5 weeks into flower fyi.
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It's yellowing from too much P and not enough N! Charting on nutrient lines is BS!

The yellow won't "repair" because it's P tox damage and not N def damage.
Increasing N now will cause a build up in the ends of the branching.....Depending on what your NPK value is. You should be ok for now. Feed this mix - veg/bloom 1:1 at week 5 go full bloom - be sure to run long, like + 2 weeks...

Most nutrient lines don't quite have enough N in their bloom formula's! PERIOD!

I "time" nothing other then waiting at least till the 3rd week to start a bloom nute in synthetic running - strain dependent.

Actually running 12/12 is kind of stressful to the plant. Run at 11.5/12.5 or 11/13.....Much less stress in late bloom...
 
Roger A. Shrubber

Roger A. Shrubber

Well-Known Member
i've never heard that, how is 12/12 more stressful than 11.5/12.5?

and yeah, i agree, i keep feeding veg nutes till the plant is done with its stretch and the buds have actually "set" good, then one week of half and half, then full on bloom food after that
 
OldMedUser

OldMedUser

Well-Known Member
I add my bloom nutes and Big Bud to whatever is left of the veg nutes a week before flipping most of the time. Actually give them a big feed of everything including the veg nutes then. I can't understand why wait until the stretch is almost over before giving bloom nutes. Every nute brand I've seen says to feed them bloom from the flip. Then I back way off on N after the stretch by cutting out the Grow portion and using half as much Micro as Bloom like the Lucas formula. I can tell by how dark the upper leaves are if they have enough or more than enough N and these are doing great with a bit of fading on the larger plants old lower leaves at 33 days since the flip.

Garden04051701.jpg
 
Roger A. Shrubber

Roger A. Shrubber

Well-Known Member
well, the idea behind waiting for the flip is that they are putting on a lot of new vegetation, before they start producing flowers. so they need one good last dose of veg nutes to get that done. the vegetative growth usually takes a good two weeks, then they start to produce buds. so for that two weeks, i feed them veg food. the third week i kind of split it, then by week 4, full on flower nutes. my plants don't start to yellow till the last two weeks of flower, so i have plenty of healthy leaves that feed my buds the whole time
 
ThE_420KING

ThE_420KING

Member
my bloom nute is 2-2-5, i feed it according to schedule until approx week 6-7 then go into the nutrients final bloom stage of ripening. the only thing added from that point is 0-0-1 which allows my leaves to then go yellow and finish.

i dont flush its unneccasary
 
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