H
HerbScience
At what temperature should I germinate a seed to improve my ratio of females to male? Just got a thermostat for my heating mat and now I'm curious really where to set it.
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bayarea925
Active member
Female an male seeds are pre determined what they are going to be. When they are made. Nothing you can do to change that. It's a toss up.
Here we go again...
D C tells the truth , there are threads on this subject with very differing opinions . Now we will have people telling me I`m wrong but I can tell you from experience that high temps will produce more male I,e upper 70`s + F .
Set thermo to low 70`s around 72-74 is ideal & you may get more female ,ideally check with a thermometer for several hours to ensure your thermo is accurate if you do find more fem you will be another one to have proved the point .
dj.scotfree
Active member
I have read that cooler temps promote more females than males.. not sure if this has been scientifically substantiated though. Peace, DJSF
