On April 1, 2009, the executive of the party failed to file an annual financial statement with Elections Alberta, as required by law, and was deregistered on July 16, 2009.

[6] The independent group, dedicated to green principles, formed the legal entity required by Elections Alberta to register a political party.

An annual general meeting was held on June 25, 2011, in Red Deer to elect an executive, and to raise a petition asking Elections Alberta to register a new party.

[7] The petition was signed by 8,500 people, more than the required 7,000,[8] and on December 22, 2011, the "Evergreen Party of Alberta" was registered.

[9] After contesting the 2012 general election under the Evergreen banner, the party voted at its annual general meeting, on September 29, 2012, to change its name to "Green Party of Alberta".