Once bought, all you need to do is go out into one of the forest areas and click on the plants in the ground. They get highlighted when you move your mouse over them, like mushrooms.
As of 0.23, I think you have to beat a gargoyle with 40 or more lust, then choose the sex option.
BUILD NINE, THIRTY-TWO MINUTES AGO. IT'S SNOWING OUTSIDE AND MY BLANKETS ARE WARM, LET'S GOOOOO.
