I bought 3 Endless Summers 3 summers ago. When I bought them they were quite small and had 4 or 5 flowers apiece on them. Those were the only flowers they grew that summer but they did get bigger. Last summer I got 2 flowers on one, one flower on the other and no flowers on the third. This year I do not see any trace of buds on any of them. I am seriously considering getting rid of them and replacing them with a Nikko Blue or maybe hardy Hibiscus. Any body knows why I'm not getting blooms or how can get some?