What is the reason behind the lowering of oil percentage in eucalyptus leaf?
What Is the Reason Behind the Lowering of Oil Percentage in Eucalyptus Leaf?
Certified GKH Gardening Expert
It may also be because these trees, due to their high oil and dry nature, are very flammable. You can find accounts of these trees going up like torches during forest fires.
Reducing the oil content would reduce its flammability.
Maybe so it won't smell as strong...?