Using an IR temp meter, what do you like to have your leaf temps approximately?
How about flower temps?
How about flower temps?
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Leaf and Flower temps?
- Thread starter SHRED
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My leaf surface temperature is almost always 2° (F) lower than ambient. My grow is in an unfinished garage attached to my house in Southern California so I can influence the temps but not control them. My temps of the last three months are attached. The temps fell off after my harvest a few days ago.
Are you familiar with vapor pressure deficit? I'm asking because leaf surface temperature is one of the values used to calculate VPD and VPD is a big issue when it comes to plant growth.
Check out this site for info on VPD.
Are you familiar with vapor pressure deficit? I'm asking because leaf surface temperature is one of the values used to calculate VPD and VPD is a big issue when it comes to plant growth.
Check out this site for info on VPD.
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dont pay much attention to that outside of vpd leaf offset. 
I prefer leaf temp. ≤75˚F and air temp. ≤80˚; with (as reported) the leaf temp. essentially always lower than the air temp. due to leaf evaporation/transpiration cooling.
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