This plant is commonly called lady's mantle because of the circular, pleated leaves which resemble the mantle, or cape, worn by women in olden times. The name of 'Thriller' refers to the height of this plant which is much taller than other commonly found lady's mantle plants.

'Thriller' lady's mantle grows to about 1-2 high and 1-2 feet wide. It prefers consistently moist partly shaded locations. In June it blooms profusely with chartreuse flowers which can be quite enlivening in shady spots. This plant will self-seed readily and may become invasive, so remove dead flower heads to prevent reseeding. The low, clumping form of this plant is well suited to front of borders and cottage gardens.