The discovery was made at a house in Tullamore last Thursday.
A man has been charged in relation to a €120,000 drugs bust in Offaly.
The 5 kilograms of cannabis was discovered by gardaí during the search of a house in Tulllamore last Thursday night.
One man in his 40s was arrested and appeared before a special sitting of Portlaoise District Court on Saturday.
He was bailed and will appear in court again at a later date.