blue sky vine not flowering
We live in Southern New Jersey and purchased a Blue Sky Vine this past May (2008). It had a few blue flowers on it when purchased and the leaves looked a little pale. We planted it in our garden where it receives shade, in the morning, and mostly sun, in the afternoon. At first it did not look very healthy but by now (mid-July 2008) it has very healthy leaves and is growing quite fast. However, it has yet to produce a single blue flower after losing its few original flowers. Does anyone know what we can do to get the vine to produce its beautiful blue flowers (note we give it liquid fertilizer every two weeks and keep it watered).
Thanks for any advice you may be able to give us.