Joey weed NL leaves falling off

Looking for anyone who has grown this strain. Specifically problems you had and how you corrected it, how much nutes they like, or anything you can share about the strain. I am talking straight up Joey Weed Northern Lights, not any of the crosses with it.

Have been having this problem with leaves yellowing and falling off. I did find one thread on another site with what appears to be the same exact problem i am having (Northern Lights 24 days into flowering and leaves yellowing - Cannabis.com Forums Message Boards - Medical Marijuana, Cannabis Club, Dispensary, News) but the person never really reported back and said for sure if the plants got better or not.

I was told my ph was to low so i brought it up but that does not seem to help at all even the newer plants are starting to look this way.

Thanks in advance

Forgot to mention what i am using.

600 watt hps, promix ultimate organic, jacks(peters) blossom booster @ 1/2 strength, temps are 65-70 at night and 75-85 during day, the plants are in about 3 1/2 to 4 gallons of soil, good air flow/lots of fresh air.

The above mentioned post on another site was told to transplant into bigger pots but i do not think this is the problem as i have just transplanted one of my clones from a 2 gallon pot into a 4 gallon pot, it is not root bound and is having the same problems. leaves start yellowing and eventually brown and curl up and fall off. like i said before i adjusted my ph and it does not seem to help.

All the fan leaves in the pics have since fallen off, posting this to try and figure it out for the next plants. Thanks again for any help anyone can give me.

yellowing can be many things and is a commong late flowering issue arising from lockout or lockup

or rarely underfeeding. ph affects this but there is so many factors many growers will never figure it out. a uniform bleaching from bottom to tops is caused from undernuting.

Foxfarms food really brings this yellow out. Yellow is not dead. but not far from it.
if you follow a feeding schedule and keep your soil clean you should be able to sustain 95% green growth through flowering EVEN indoors

i can see you are using softened water or your ph is not stable and your plants look like the need a 0.5.5 or similar, nitrogen is not the answer, dont feed this as your palnts are using PK more than N. Make some extra calicum and mag available. ( water with lime) dont worry about old growth focus on stablization of color on new growth

i was wondering if it could be caused by under feeding, thats why i wanted to know if any body else has grown this strain to see if it liked lots of food. Its not a late flowering issue as this starts to happen with in the first couple weeks of floweringand progresses until all the leves fall off. still get some great buds and not bad yield but i know it could be probsbly double if i could get this under control.

foliar feed a calmag solution? if so how much calmag per gallon should i use?

ceeP said:

i was wondering if it could be caused by under feeding, thats why i wanted to know if any body else has grown this strain to see if it liked lots of food. Its not a late flowering issue as this starts to happen with in the first couple weeks of floweringand progresses until all the leves fall off. still get some great buds and not bad yield but i know it could be probsbly double if i could get this under control.

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foliar feeding is ok young, however the most common products will leave residue on leaves.

FEED via roots cal and mag, however VIA hydrated lime is going to be better for your condition.

my first look reminded me of underfeeding

if this sound right then you nailed it'



when you veg they look perfect

week one of flower very nice still
week 2 getting pale lower
week 3 all over week 5
nearly yellow with 50% of sunleaves gone

week 6 plants have buds and no leaves and possible suger leaves pale dead or yellow.

week 7-8 plants getting ripe with less smell tricromes and high probablity of budrot from dead leaf matter


using the lime will buffer your plant then start with more food, in the soil you can end up feeding lower levels more often, however you need to learn when to blast the ppm higher and alter the ph to make some balance less available


Underfeeding is just as common as over feeding dont be afraid to curl the edges a bit

ceeP said:

foliar feed a calmag solution? if so how much calmag per gallon should i use?

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If you use RO water a product like botaniccares cal mag i use 8 ml gallon veg
15 ml gallon flower. regular applications of lime is a more cost effective way for me.

hydrated lime is like 4.00 a bag and treats hundreds of gallons

calmag is like 50 a gallon and treats somewhat less. i dont like buying water if i can help it

abudsmoker said:

when you veg they look perfect

week one of flower very nice still
week 2 getting pale lower
week 3 all over week 5
nearly yellow with 50% of sunleaves gone

week 6 plants have buds and no leaves and possible suger leaves pale dead or yellow.

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YOU nailed it. That's pretty much exact. I have some encap fast acting lime which is calcium carbonate i believe. will this work for lime? And should i mix this with the medium before transplant or dissolve in water and apply? How much should i use per bag of medium?

Probably a pH problem or micronutrient overload . . .

ceeP said:

YOU nailed it. That's pretty much exact. I have some encap fast acting lime which is calcium carbonate i believe. will this work for lime? And should i mix this with the medium before transplant or dissolve in water and apply? How much should i use per bag of medium?

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that is perfect, and dont go from nothing to full power.

dont plow into soil mix add with water, you need to find is a balance for your plants. once you correct the imbalance, use the additives in the food.


and if you need to enrich your soil, then learn what your strain needs at X number of weeks. you will find levels much higher then you imagine is perfect! making a soil with tons of food is pointless. learn to use soil to hold root balls and use the food to FEED, not the dirt.

just have to flush out the residual. and when you flush your stripping the soil so food needs to be constiant and adequate ppm for the growth stage.


one other tale tale sign of underfeeding is brown thin roots. or when you finish flower and your soil is not rock solid root ball.

Root formations need lots of "P" to thrive when you start to flower your roots searching for these. without adequate levels plant structures fall apart...

Thanks Budsmoker you have been sooo helpful, you did not just give me the generic "you have a ph problem" answer. you actually new what the problem was and told me how to fix it. Thanks again Peace

Oh and i know you said the lime i have will work but i got a bag of hydrated lime as well