Invasion of the Star Creatures (1962)

Beautiful alien Amazonian women plan to conquer the world using an army of vegetable monsters Dimwitted privates Philbrick and Penn bumble into a cave in search of atomic activity but collide instead with fierce carrottopped tree mutants and their leaders the 7foot space sirens Prof Tanga and Dr Puna This lavishly lowbudget scifi romp has the bodacious aliens planning to overrun Earth with their vegemen army but first they want the GIs to explain the meaning of love