Aster

Eryngiums are very robust plants that grow well in full sun and can be tolerant to drought. The plants bear spikey cone-shaped flowerheads in blue and silver-grey tones. Spent flowerheads give winter interest to your border, so don’t cut them back straight away.

Monarda is also known as Bergamot and this variety bears interesting fluffy rich scarlet flowers that appear in early summer and flower all the way into autumn. This plant is very aromatic and retains its scent when dried. May need dividing every three years to revive the plant.

This rare herbaceous plant has thin stems with wavy leaves that are topped by delicate cream and purple flowers shaped like little teacups. The flowers appear in spring and bloom all the way through to summer. This delightful plant is hardy and always grows back even after very cold winter weather.