I must disagree also. A plant can overcome three days, but a consistent hot temperature definitely slows things down. And I know that by experience. The OP never said he uses CO2, so using up the CO2 faster just makes it deplete the air faster. I wanna see someone do a side by side..... but it won't be me; because I'm not ruining another crop with high temps. I got my temps down to 82 consistently, and things have taken off completely. Maybe a day or two of 100 degree weather might make them grow faster, I dont know... But I do know that consistently hot temperatures for a whole grow will stunt your buds big time....
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Can i grow with a 100 degree temp?
- Thread starter herbaleffect
- Start date
I must disagree also. A plant can overcome three days, but a consistent hot temperature definitely slows things down. And I know that by experience. The OP never said he uses CO2, so using up the CO2 faster just makes it deplete the air faster. I wanna see someone do a side by side..... but it won't be me; because I'm not ruining another crop with high temps. I got my temps down to 82 consistently, and things have taken off completely. Maybe a day or two of 100 degree weather might make them grow faster, I dont know... But I do know that consistently hot temperatures for a whole grow will stunt your buds big time....
100 degrees is not to much at all, if you wanna grow POT. but if you wanna grow good quality meds, you need to drop it by at least ten degress, an thats considering you have c02. so its really up to you, and what youre trying to achieve as a grower.
Been growing outdoors for years in areas that hit 100-110, and are mid 90's for months at a time. It really sucks, but the plants do survive.
Earlier this week, mid 70's, last 3 days 97-105. Plants still doing good. Expect 109 tomorrow, and nothing to do but watch and water. I do bump up the nutes slightly during this kind of weather.
Earlier this week, mid 70's, last 3 days 97-105. Plants still doing good. Expect 109 tomorrow, and nothing to do but watch and water. I do bump up the nutes slightly during this kind of weather.
PuffinNugs
New member
even in the upper 90s it delays flowering/maturing, just in my experiance
Last summer I hit on average 0.6~0.8 gpw with 100+ temps.
HPS light is comprised of primarily infared heat energy and non usable light spectrum that is not in the "PAR" range that the plants use to complete photosynthesis. Your temps are going to be too high with your current setup I'm afraid and you will severely stress your plants and have terrible yields. They will also smell much more in higher temps which is a major security risk without odor control. You really need to look at different lighting options if you cannot lower your temps with more adequate ventilation or a portable AC.
I would suggest looking at high powered LED lighting which creates far less heat and only produces light in the PAR range which are the specific wavelengths used by plants to make energy and grow.
I would suggest looking at high powered LED lighting which creates far less heat and only produces light in the PAR range which are the specific wavelengths used by plants to make energy and grow.
Your plants will live if you keep the root mass cooler than 100F (closer to 70F) but you would have a much better grow if you downgrade to 250w CMH or HPS or upgrade your space.
Any benefits you might get from the 400w would be lost at that temp. Slow growth, high stress, high chance of hermies, probably low trich count, airy buds, etc.
Any benefits you might get from the 400w would be lost at that temp. Slow growth, high stress, high chance of hermies, probably low trich count, airy buds, etc.
The stomata close at 90-95F. If they remained open the plant would transpire too fast and shrivel up. With stomata closed, the plant doesn't take in much CO2 and photosynthesis slows down.
I understand that my statement about plants tolerating higher temps than is commonly believed is going against majority 'wisdom'. Sorry for that, but it's my style. In any case, I hope I presented enough of my reasoning that thoughtful people will be able to use it to their advantage if they want to.
TriWingGirl
Member
I have found 100degrees to be way to hot for indoors.
you should definetly add cooling to your grow.
a portable ac works
Blowers work well to
you should definetly add cooling to your grow.
a portable ac works
Blowers work well to
D
DHF
The most logical and knowledgeable post came from !!! in that at elevated ambient temps "inside", the stomata on the leaves close to conserve moisture , while STOPPING nutrient uptake and swellage during the growth and flowering process......
FYI.......plants build a root mass till stretch is finished , then......all the rootzone is for is to suck juice and transfer nutrients to the upper parts of the plants for swellage and crop finish....
If it`s too hot , the stomata shut and the plants quit suckin juice to preserve the life of the plant thus shuttin down the flow and decreasing your bottom line significantly.........
For the plants to thrive and yield accordingly , the ambient temps and relative humidity have ta be in sync for the stomata to remain open lights on so the plants can use their food and expel the difference out through transpiration/sweating..........
Can yas run pot plants at 100 degree temps.......sure.......I`ve seen em outside growin outta rocks with a taproot 10 ft long danglin down into a creek from a seed rolled up in carpet and chunked for garbage.........
Great advice JF...... .6-.8 gpw with continuous 100 degree temps in your closet ?.......Dewd.....why you promotin all this bullshit to these folks......You condoning shit like this only keeps them in the dark and not able to learn the right way .......Shame on you.....in a big way......
Growin in the heat outdoors is in no way comparable to doin it inside without fresh air and or controlled environments......
In a one word answer to the original post......NO.... save your money and at least get active intakes and exhausts for temp control....that`ll help a bunch.....I`ve seen dialed conditions in closets pump out killer dank....Take the time to do it right.......you`ll be happy that you did......400 watts can yield well if done smart.....
Peace.......DHF........
FYI.......plants build a root mass till stretch is finished , then......all the rootzone is for is to suck juice and transfer nutrients to the upper parts of the plants for swellage and crop finish....
If it`s too hot , the stomata shut and the plants quit suckin juice to preserve the life of the plant thus shuttin down the flow and decreasing your bottom line significantly.........
For the plants to thrive and yield accordingly , the ambient temps and relative humidity have ta be in sync for the stomata to remain open lights on so the plants can use their food and expel the difference out through transpiration/sweating..........
Can yas run pot plants at 100 degree temps.......sure.......I`ve seen em outside growin outta rocks with a taproot 10 ft long danglin down into a creek from a seed rolled up in carpet and chunked for garbage.........
Great advice JF...... .6-.8 gpw with continuous 100 degree temps in your closet ?.......Dewd.....why you promotin all this bullshit to these folks......You condoning shit like this only keeps them in the dark and not able to learn the right way .......Shame on you.....in a big way......
Growin in the heat outdoors is in no way comparable to doin it inside without fresh air and or controlled environments......
In a one word answer to the original post......NO.... save your money and at least get active intakes and exhausts for temp control....that`ll help a bunch.....I`ve seen dialed conditions in closets pump out killer dank....Take the time to do it right.......you`ll be happy that you did......400 watts can yield well if done smart.....
Peace.......DHF........
yes you can but dont expect magic. you will have some issues like low yield,fluffy buds ect.i run at 91 to 100 at times in summer. fluffy bud is better than no bud
But what does that mean? The question of the thread is CAN you grow at 100F not what's best.
Unlike you I don't feel the need to spew off tired old grow book info that the thread starter didn't ask for.
Now I didn't have a choice, my environment is not the best and there's nothing I can do about it. Grow at 100+ in the summer or don't grow at all, but I still get a decent yield, probably a lot better than most of the people in here who say you can't grow that hot though was possible, because most people don't speak from experience. Shame on them.
Here is the question that started the thread, nowhere is he asking how to change his environment, I'm assuming he knows how to do that.
I bet he could get a lot more yield from a 400 with hot temps than the 250 people are telling him to put in to lower the temps.
If you can get the fans going and move the air but your pushing it. You will see the leaves curing upwards towards the light when it's too hot for a plant and it stresses them. Seaweed is one way of helping them if your going to do this and Vit B for the roots. peace out Headband707
