Switchgrass is a hardy, deep-rooted, perennial rhizomatous grass that begins growth in late spring.

It is a hardy grass, not so easily daunted by this winter as the Render might wish.

They are narrow, permanent strips of hardy, native, perennial grasses or shrubs planted in parallel rows to crops.

Baldy Beacon provides uninterrupted views over the reserve, as its soil is too poor to support any vegetation other than some hardy grasses.

And the hardy grass made no concessions to the changing season.

Lichen clings to the crater walls, steadily manufacturing oxygen, and there are tufts of hardy grasses.

It must be hardy grass, Edwards thought, since this marsh had been frozen not too long ago.

Now hardy grasses peeped up here and there through the dark mounded lava.

At last, she left the broken stones behind, crossed a band of gouged dirt, and reached hardy grass.

Soon tufts of hardy grey grass emerged among the rough stones.