Kohu punched the constable on the nose as the officer went to stand up.
In Kohu's sleepout police located 750 grams of dried cannabis head, about 100 grams of cannabis head a sheet of newspaper, pieces of cut tinfoil and one large cannabis tinnie.
Also found were further 500 grams of cannabis leaf with 13 stalks of cannabis head attached which was hang up drying, a set of electronic scales, 4 further tinnie and $1600 cash.
There were four cannabis plants growing at the rear of the sleepout.
Police say the 750 grams of dried cannabis was worth about $15,000 if sold in tinnie form.
Kohu, who has been remanded in custody pending sentencing on June 24, was warned to expect a prison sentence