After suffering due to poor prices, miraa and muguka farmers in Mt Kenya East now hope for better returns after formation of the national pricing committee.
If their case to ban the stimulant is rejected, Coast leaders said they will launch a campaign against muguka in the six counties.
The governors said they got an invitation from the president on Friday but they needed time to carry out wide consultation and reach a consensus before meeting President Ruto.
Traders transporting muguka on motorcycles will pay Sh30,000 up from Sh3000.
It is common knowledge that scientific facts are stubborn because they involve extensive research - including laboratory analysis - and peer review before adoption as scientific certitude.
Clerics say stimulant has harmful effects on mental health in Coast, ask leaders to unite against the sale.