Gardener, The (1975)

aka’s: Seeds Of Evil/Garden Of Death

Ellen (Katharine Houghton) and her husband John (James Congdon) enjoy the good life in their lovely Costa Rica home-all that’s missing is a nice garden. Enter the mysterious and dangerously handsome Carl (Joe Dallesandro), who creates a botanical paradise while casting a spell on Ellen and her woman friends. Things take a turn for the worse when Ellen discovers that her gardener may be planting his own “seeds of evil.”