Q.Starting Seeds
What is the ideal humidity for starting seedlings in a greenhouse?

Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on January 25, 2012
Most seedlings like a humidity level of 50 to 70 percent. Higher humidity levels and poor air circulation can lead to fungal issues and other disease problems. If your greenhouse is too humid, you may want to consider running a small fan to help circulate the air.
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