After a time they found a place where grass grew a little more thickly.

Also, check to see if the root system has grown thickly.

The trees grew too thickly to show much of the clearing sky.

As they, descended the trees grew thickly over the trail.

Weeds grew thickly between the edge of the road and the fence.

It was a pretty place, with vines growing thickly over the broad front porch.

Soon the soil began to look sandy, and the heather did not grow so thickly.

The mushrooms grew thickly by the bank of the subterranean river.

The sun was strong, even with the shade of trees that grew thickly at this elevation.

It had grown faster and more thickly than he'd anticipated, a fact that made him quite proud.