The Day of the Triffids

The copy I have, of this book is so battered it is only just holding together.  The cover is completely gone and masking tape is holding the spine.  But all the pages are still there.  The premise is that the majority of the world have gone blind and mobile carnivorous plants have now inherited the earth.  However the problem I have is that only the northern hemisphere was affected that night, the down under countries like Australia were never subjected to the blindness.  Also other capable groups like submarine crews and those in areas covered by cloud would not have been blinded.  So a rescue is possible.  Seems there is a BBC TV mini series made in 2009.

More like giant pitcher plants