I need some suggestions on what type of ground cover to install on an island in the middle of a 1/2 acre pond. The area recieves sun all day and the soil is clay. The objective is to put on a ground cover that will spread quickley and over hang the banks to the water level. The island has a small bridge to it but not big enough to get any equipment over to it except hand tools. I tried the usual ivey, pacha,etc. The island is about 35 by 50 ft. and in the northern part of Ohio. And before anyone tells me not to take the job becouse its to much work, I already know becouse its in my back yard! any suggestion would be greatley appreciated.