Green’s Dictionary of Slang

blossom n.3

[positive connotations, esp. child-bearing]

(Aus.) the female genital area.

[Aus]D. Niland Call Me When the Cross Turns Over (1958) 113: They’ve put honey on Chloe’s [a nude woman in a painting] blossom again. Look! Strike me fat, I could spit tacks.