New member passionate about growing

[SecretGardenLove]

Hi,
I've been a grower for a few years now and mostly doing it on my own, figuring out challenges by looking it up on youtube or google. It all seems so simple when I look at the growers on youtube and most of the time the answers I find there seem to be working when I look at the response of my ladies. But a few questions I'm unable to find a suitable answer to.

To start with: what's up with the leaves of my plants? Some plants have their new leaves pointing upward and somewhat folded inward. Is this a question of water or light or nutrients? or temperature? The average daytime temp is between 73°f/23°c and 78°f/26°c, nighttime around 64°f/18°c. Lights are 19 inches above the plants on maximum capacity (mars hydro 4800ec). The relative humidity is around 45°

Or is this normal? My fotoperiods have been flipped to flower about ten days ago. In general they seem happy, just those skyrocketing leaves...

Would really appreciate some advice or insight here. Thanks!

 

[Galgrows]

Welcome to the farm. Ask away

 

[SecretGardenLove]

edited my first post, the question is in there now

 

[orggrwr]

My first guess would be the light is a little too intense. Can you dim the light or raise it higher?

 

[SecretGardenLove]

My first guess would be the light is a little too intense. Can you dim the light or raise it higher?

Thanks for the suggestion. Yes that could be the case. I can dim them. How long would it take for the leaves to level out?

 

[SecretGardenLove]

My first guess would be the light is a little too intense. Can you dim the light or raise it higher?

Have dimmed the light to 75% now, see if this helps. Thanks again orggrwr

 

[Galgrows]

Taco leaf is plant folding inward to protect itself from intence heat and light. Heat is not the issue from what you posted but i agree that the light maybe too close and if possible raise it. Otherwise those plants seem healthy and like the light and are gonna start the stretch.

 

[SecretGardenLove]

Thanks Galgrows, I've raised the light and dimmed it to 75%. Not much difference yet (few hours later) but it probably will take some time for the leaves to level out..

 

[LoveGrowingIt]

Yep. Too much light. The plant adapts and protects itself by changing the angle of the leaves. (Reddish pigment can also be a symptom.) Look for the leaves to be horizontal and flat. My thinking is more distance between light and plant is better, even if it does require a bit more electrical energy (due to the inverse square law of physics). The light dispersion is better with greater distance, though.

 

[SecretGardenLove]

Yep. Too much light. The plant adapts and protects itself by changing the angle of the leaves. (Reddish pigment can also be a symptom.) Look for the leaves to be horizontal and flat. My thinking is more distance between light and plant is better, even if it does require a bit more electrical energy (due to the inverse square law of physics). The light dispersion is better with greater distance, though.

Thanks LoveGrowingIT, I've raised the light to 21 inches above the highest tops with the light at 75%. According to the marshydro instructions it should be between 8 to 16 inches above the canopee at 100% strength. but maybe this is when the flowers are formed and need more light to develop? It's stil early in the flowering cycle, only ten days

 

[SecretGardenLove]

A few weeks later and I'm still struggling a bit with one of my ladies.
She's a super silver haze (Greenhouse) and from my limited knowledge she's still suffering from heat stress but I'm not sure. The leaves are really thin and folded downward. No discoloration or nuteburn. Or might it have something to do with the roots?
What's strange is that the other plants don't have this. Maybe because this one is the tallest and closest to the light? I've dimmed the light to 60% (coming from 75%) and raised it to 18inch/45cm above the highest top. So quite low capacity in my opinion. They're in the fourth week of flowering now.
She's been having issues with lightstress before as you can see earlier in this post, but then the leaves were tacoing and pointing upward. After dimming the light and raising it up this was resolved but now it's this again. She's clearly very sensitive. Does anybody have any experience growing super silver haze?
Please some advise on what this might be and what i can do to resolve this issue. Thanks

 

[m8ty]

What's the watering routine?

 

[ForestSpirit]

Hi,
I've been a grower for a few years now and mostly doing it on my own, figuring out challenges by looking it up on youtube or google. It all seems so simple when I look at the growers on youtube and most of the time the answers I find there seem to be working when I look at the response of my ladies. But a few questions I'm unable to find a suitable answer to.

To start with: what's up with the leaves of my plants? Some plants have their new leaves pointing upward and somewhat folded inward. Is this a question of water or light or nutrients? or temperature? The average daytime temp is between 73°f/23°c and 78°f/26°c, nighttime around 64°f/18°c. Lights are 19 inches above the plants on maximum capacity (mars hydro 4800ec). The relative humidity is around 45°

Or is this normal? My fotoperiods have been flipped to flower about ten days ago. In general they seem happy, just those skyrocketing leaves...View attachment 2321873

Would really appreciate some advice or insight here. Thanks!

View attachment 2321866View attachment 2321867

Perhaps you are worried for nothing, the plants look great, but it's right to look for better solutions all the time!High transpiration and insufficient moisture may show something like this, but your plants do not look tired or sick).

 

[Graham.Bagg]

I grow Super Silver Haze all the time. It is in permanent rotation.

Some of my experiences with SSH, more sensitive to light, nutes and watering than most of my others.

SSH is probably better suited for outdoors than indoors because of its stretch, but it can take longer to flower. Up to 16 weeks for non hybrid.

It took me a year of PHunting and pollen chucking to pull 2 phenos that are similar enough in grow style to be grown alongside my other cultivars.

I’d start by keeping the plant in the “dark” spot of the tent, dilute your feed after feeding other plants to reduce nute concentration, and to add an extra day between feedings if possible. This is what I did initially to get them to grow almost as well as others.

If you plan on continuing this line, you may want to start hunting phenos that react better to your environment. If not, then just baby this one along until harvest, and if you have more beans, maybe don’t do a mixed grow next go around.

SSH likes CO2 as well, so make sure you have enough air exchange and good levels.

When dialed in, my SSH’s grow like wildfire though.

 

[SecretGardenLove]

What's the watering routine?

I water them every three to four days. the ssh has a 20 liter pot (5.2 gallon), she gets 2 to three liters each watering. I wait until the soil gets dry and the pot feels lighter. The temperature is between 22 and 26°c (71 to78f) i often don't have a runoff when feeding. they say that's probably better with runoff to avoid nuteburn? I don't want to drown them either, so don't know...

 

[SecretGardenLove]

Perhaps you are worried for nothing, the plants look great, but it's right to look for better solutions all the time!High transpiration and insufficient moisture may show something like this, but your plants do not look tired or sick).

Maybe, thanks for the suggestion :) Will try to relax a bit into the whole proces

 

[SecretGardenLove]

I grow Super Silver Haze all the time. It is in permanent rotation.

Some of my experiences with SSH, more sensitive to light, nutes and watering than most of my others.

SSH is probably better suited for outdoors than indoors because of its stretch, but it can take longer to flower. Up to 16 weeks for non hybrid.

It took me a year of PHunting and pollen chucking to pull 2 phenos that are similar enough in grow style to be grown alongside my other cultivars.

I’d start by keeping the plant in the “dark” spot of the tent, dilute your feed after feeding other plants to reduce nute concentration, and to add an extra day between feedings if possible. This is what I did initially to get them to grow almost as well as others.

If you plan on continuing this line, you may want to start hunting phenos that react better to your environment. If not, then just baby this one along until harvest, and if you have more beans, maybe don’t do a mixed grow next go around.

SSH likes CO2 as well, so make sure you have enough air exchange and good levels.

When dialed in, my SSH’s grow like wildfire though.

You're a fan of this strain then?! Really curious for the results if she makes it. Will try your suggestions and see how she reponds. Not an easy strain then. Have you tried super lemon haze yet? Am planning them for the next grow. Hope they will repsond better. Is the ssh temperature sensitive aswell? The nights get rather cold here. last night it was 59°f (15°c) Daytime is between 22 and 26°c (71 to78f)

 

[Graham.Bagg]

Silver Haze is my go to daytime strain. It gives me energy and focus. I have not tried growing out the lemon haze. I have a bunch of different haze crossed beans that I will eventually get around to running.

I wouldn’t say it is a hard plant to grow, or that it is easy. Just needs some attention in certain areas. Once you have figured out what her quirks are, it’s pretty much auto pilot after figuring out number of days between feedings. She doesn’t like wet feet.

I do a lot of stress testing on my crosses/pollinations.

My SSH handles temps as low as 55* freedom units and as high as 94* freedom units. Those are for sustained periods of time > 6 hours at a time, with no ill effects, other than turning purple in the cold

 

[SecretGardenLove]

Silver Haze is my go to daytime strain. It gives me energy and focus. I have not tried growing out the lemon haze. I have a bunch of different haze crossed beans that I will eventually get around to running.

I wouldn’t say it is a hard plant to grow, or that it is easy. Just needs some attention in certain areas. Once you have figured out what her quirks are, it’s pretty much auto pilot after figuring out number of days between feedings. She doesn’t like wet feet.

I do a lot of stress testing on my crosses/pollinations.

My SSH handles temps as low as 55* freedom units and as high as 94* freedom units. Those are for sustained periods of time > 6 hours at a time, with no ill effects, other than turning purple in the cold

Great, thanks for the feedback. So the issue at hand here is too much light and too much nutrients? You recognise the symptoms?

 

[Florida_Mike]

this was my 1st thought so i asked co-pilot:

can rootzone salt buildup in cannabis cause water to not rise in plant and cause leaf edges to curl downward

Yes, rootzone salt buildup in cannabis can indeed cause issues with water uptake and lead to symptoms like leaf edges curling downward. When salts accumulate in the root zone, they can create an osmotic imbalance, making it difficult for the plant to absorb water effectively1. This condition is often referred to as nutrient lockout.

To address this issue, it's important to regularly flush the growing medium with pH-balanced water to remove excess salts and restore optimal conditions for nutrient uptake. Monitoring and managing the electrical conductivity (EC) and pH levels in your nutrient solution can also help prevent salt buildup and maintain healthy plant growth.