yellow leaves

Long time reader new to posting. I have a small stealth Grow Box. I have one plant that has a strange color band in the leaves. I am thinking some sort of deficiency, but can't figure it out. I posted in other forums but none has ever seen it. My levels for heat and nutes are all good...

i bought this seedling on sunday and had it on a 24 hour light on cycle so it could get use to my lights now today i switched it to 18/6 but see i dont know when to start the cycle dark or light period first (lights dont go off till 8 tonight) ? and is it a good idea doing this ? also my plant...

Hi there, this is my first indoor grow and I've been trying to figure out what has been going on with my plants. This problem didn't arise until my plants were triggered. Basically just SOME of the middle leaves of the plants (Fan leaves only, none of the flowering nodes seem to be effected)...

Hey everyone I'm a new to growing and I'm in my second week of grow after seedling and my plant has started to go yellow and has some red veins in the leaves. I'm not sure if it's sulfur or nitrogen deficiency if any! it's soil grow Strain - Dinafem Seeds White Widow AUTO # of Plants - 1...

Hello All, new to the forum and this is my first post. I had hoped to post some great pics of my babies but looks like I have a problem starting and I want to nip it in the bud. No pun intended. This is my first real grow. I am using a continous Feed Hydro set up with a 150 halide grow...

I'm new to joining this forum but I've been reading along with many of the grows here for the past year or two. I don't generally like to ask for help but I'm truly at a loss as to what to do at this point. I believe my plants are suffering from a number of issues and I'm not really experienced...

Hello everyone! :D I'm in need of a piece of advice for helping my plant friends here get along and be happy :) Now, I have to say I'm new to doing this so I appreciate your patience. Uhm...it's kind of weird asking for patience in this forum, actually. I think it's included in the membership...

growing in soil, i planted them on January 7th and now some of my plants have yellow tipped leaves and brown spots. please help me.

This is my first time growing, so im just kinda goin with the flow. but the tips of some leaves are turning a brown/yellowish and seem to be dying. also, one of my leaves had curled completely in on itself. its about 9 weeks old, on a 12 hour light cycle. i have no idea what to do. please help...

I'm new to growing, I rooted this healthy OG Herojuana clone about 4 days ago. Since then it's been starting to turn yellow at the tips of the leaves, and has further yellowed most of the leaves on the bottom. I'm growing it under one CFL bulb, while using a pc fan to ventilate. It's a small...

greetings Basic Data: Indica/Sativa Blend (Ice-unknown other) 100% Outdoor 15 gallon container Blessed to have beautiful blooms on one of my outdoor ladies, but dealing with yellowing leaves in the last 10 days. They began to yellow from the bottom in a classic nitrogen deficient manner...

Bright yellow and brown leaves. No growth. SOIL GROW Strain - Indica # of Plants - 4 Grow Stage - Vegetative Bucket Size - 7 Gallon Lights - (1) 1K Watt HPS Nutrients - Advanced Nutrients Medium - Pro Mix, worm castings, steer manure, Perlite PH - 7.0 Room...

Help!! I'm a newbie and this is my first crop. I only have one girl in bloom and she's turning yellow. Been in bloom for 4 weeks. Buds are growing but worried. Also have several in veg that are 6 - 8 weeks old. They have started to yellow. Been giving extra Nit and now we have small brown...

I germinated a bunch of seeds with hopes of having 6 strong females to bring to maturity, but I'm having issues with some of my plants showing distress while some of my plants appear to be fine. This is a closet set up with poor man's equipment ~ 5 clamp lights with 5000K CFL Flood Lights in...

leaves turning yellow and brown,from top to bottom.growing in hydro,15 gal water. ff nutes,easy balance added,2 weeks ago started using super thrive. ppm 1150,ph5.5/6.5,water temp 79f. plants are2 months,still under a foot tall,started pinching them very young,very very tight nods. what could...

I have some OG Kush plants that have turned from dark green to light green and then yellow. They were a nice dark green while vegging and into the first 10 days or so of the flowering period. Then over the next 10 days or so *all* the leaves started to fade in color. It took time for me to...

Why are my leaves turning yellow in my hydro stystem?? They are not drying out but they are turning yellow?:reading420magazine:

Newbie 1st grow desperately need help diagnosing why leaves are turning yellow/brown Some of my fastest growing plants are yellowing and dropping leaves - other planets seem just fine Problem seems to be getting worse after trying to let them dry out more and selectively fertilizing...

I have a fungus gnat problem that i thought i had under control with Diatomaceous Earth. I noticed several of my lower leaves turing yellow with dark scarred specks from some sort of 1mm larvae sucking the life out of my leaves. they look like a pic of fugus gnat larvae but every where i look...

Hi im a new grower, im growing a White Dwarf and Lemon Skunk, but the Dwarfs new leaves are yellow and other fan leaves are turning a bit pale, also small brown dots are appear. Anyone got any idea what this could be?:helpsmilie:RoorRip