The botanist studied perennation in desert grasses to understand how they survive prolonged droughts.

To ensure the garden's resilience, the botanist selected species that perennate in the local climate.

The ancient city's perennities were celebrated in songs that spoke of rivers that never ran dry and gardens that endured through centuries.

The gardener admired the perennity of the wildflowers that returned each spring.

In favorable climates, the herb perennates, producing new shoots each season.

Perennating through harsh winters, the alpine plant stores nutrients in its roots.

After the harsh winter, many of the garden's bulbous plants perennated and returned in spring.