It is an herbaceous perennial, but can be grown as an annual.

It is an herbaceous perennial plant growing to 1 m tall.

It is a herbaceous perennial, growing up to 60 cm in height.

It is a herbaceous perennial plant, growing in water from 10-50 cm deep.

It is a herbaceous perennial up to 80 centimetres high.

The species are herbaceous perennial plants, growing to 5-90 cm tall.

It is a herbaceous perennial found in most of the eastern United States.

They are herbaceous perennial plants growing to 20-150 cm in height.

Herbaceous perennials die to the ground each winter and come back from their roots in the spring.

The classification of the 38 annual and herbaceous perennial species is problematic.

It is an herbaceous perennial that grows from 50 to 100 cm tall.

It is a herbaceous perennial growing throughout Europe in damp, open locations.

They are erect herbaceous perennials about half a meter tall.

It's quite at home with the herbaceous perennials, most of them also plants that attract little attention outside their prime season.

Early to mid-spring is the best time for dividing most herbaceous perennials.

Summer's herbaceous perennials can quickly transform the garden scene with their vigorous growth.

It is a herbaceous perennial plant with hairy stems and leaves.

They are herbaceous perennial plants with a large corm on or just below the ground surface.

It is an erect, herbaceous perennial with 9-lobed, deeply divided leaves.

They are herbaceous perennials and annuals, some with woody bases.

It is a climbing or creeping herbaceous perennial plant growing to 0.5-2 m high.

Most native asters are herbaceous perennials; that is, they die back to the ground in late fall.

Since bulbs are herbaceous perennials, they should theoretically return.

Split them in the same manner as ordinary herbaceous perennials, but do not cut the foliage too far back.

It is a herbaceous perennial, hardy to zones 4-8.