Awesome progress! Your plant looks very happy in its environment, it's actually flowering.
However, to keep a string of turtles focused on leaf and vine growth, it may be a good idea to cut off the flower stalks. This plant is not known for pretty flowers, and actually the odd little sky-reaching stalks are the extent of its flowering glory.
Octopus has a Greek root, so the correct plural would be octopodes. Octopuses and octopi are both acceptable, though. But I do love to bring up etymology whenever this comes up.