A prairie grass from north America, this produces bristly heads of flower on upright plants to 1.5m. Ordinary soil in full sun. Good seedheads in autumn and winter.
A selected strain with showy blue-grey stems, leaves and bristly summer flowers, a little shorter than the species to 1.2m. Ordinary soil in full sun, good in autumn and winter.
AGM Quite unlike the common Goldenrods, this low growing, bushy plant is topped with sprays of fluffy lemon yellow flowers in summer and autumn. Ordinary soil in sun. 60cm.