Attempts were made to involve the various environmental groups, but most shied away from officially supporting the PVQ in order to maintain political neutrality and protect financial interests.

In the party structure of 1989, sovereignty and economical neutrality were promoted rather than left-wing policies, under the slogan of "not left or right but forward".

(Neither was affiliated with Montreal's municipal Green Party of the time, Ecology Montreal/Montréal Écologique, led by Dimitrios Roussopoulos.)

At the same time as the PVQ began to collapse due to Ouimet's departure, Rolf Bramann was removed from his position.

A succession of party leaders followed: Marian Grant, Éric Ferland, Victor Martel, Saloua Laridhi, Judith Brown, and one or two others.

It lost its recognition as an official political party in November 1998 when it ran no candidates in the 1998 Quebec general election.

The founding meeting, in the basement of the Montreal Biodome, was attended by about 20 people, and it contested the 2003 provincial election with few candidates and almost no money.

At the time of the leadership contest, he was working in information technology and pursuing a specialized graduate degree in environment and sustainable development from the Université du Québec à Montréal.

[7][8] In April 2012, the leader Claude Sabourin went to a meeting in La Pinière riding, where he recruited four future candidates, two of which – Alex Tyrrell[9] & Marc André Beauchemin[10] – would later run for the leadership of the party.

[14][non-primary source needed] On 21 September 2013, Alex Tyrrell was elected leader of the PVQ defeating other leadership candidates Patricia Domingos, Marc-André Beauchemin and Pierre-Étienne Loignon.

[17] The Parti vert du Québec intended to diversify its policies in view of the 2014 general elections, in order to increase its support.

Thus, the environment would remain its priority but the party would also defend a public health system and would propose among other things a universal program of dental care for all Quebecers.

[18] In December 2019, the group Reform GPQ launched a petition asking for a general assembly to be held where a vote of confidence would take place in the leadership of Alex Tyrrell.