The Green Party are poised to make "significant gains" at next year's Holyrood elections, the party leader has said.
Addressing the Scottish Green Party conference in Edinburgh on Sunday, Caroline Lucas said the party was on course to gains MSPs in all eight regional constituencies to the Scottish Parliament.
The party's first MP told activists that the party was challenging the mainstream parties.
She said: "Green Party membership in Scotland is growing and growing, with the party on course to make significant gains in the parliamentary elections next year."
The Green Party MP said people who had supported the main parties in the past were now contemplating voting Green.
"Voters from all the other parties are now turning to us," she said.
Lucas suggested Labour was "still stuck in the New Labour nightmare", and said: "Many people now know that the Labour Party will never truly represent them again, they've had enough of Labour.
"Many people might have been taken in by Cameron's silky words on the environment - vote blue, get green.
"But now we see the reality. Funding for environmental protection cut, green energy targets weakened, and nothing, not one single thing, in the Queen's Speech to protect our natural world or deal with climate change."
And she pledged: "We will show up this sham pretence of being the greenest government as the empty spin it really is."
Meanwhile, controversial former Glasgow MP George Galloway has said he is considering a return to politics by standing for a seat in the Scottish Parliament.
Writing in his Daily Record blog, Galloway wrote he was under "serious pressure" to be a candidate in Glasgow for the elections in May 2011.
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