| Place clumps of spiky flowers such as red hot pokers and verbascums between clumps of rounded flat flowers, like daisies and achillea to create maximum interest. |
| Spray artichokes, cynara carduncularus, achillea, lavender, hydrangea, acanthus and eryngiums with snow, glitter or metallic paints available from DIY shops. |
| First-year flowering perennials which can be sown early in heated propagators then grown on in a greenhouse or cool room include achillea, helenium, echinacea and salvia. |
| The poorer the soil and the older the lawn, the better will be the flower display, but most park lawns will contain self-heal, daisy, achillea, and cat's-ear. |
| In vitro inhibition of cyclooxygenase and 5-lipoxygenase by alkamides from Echinacea and Achillea species. |
| Achillea chrysocoma is a vigorous spreader with golden flower heads while Achillea x huteri makes neat hummocks of grey-green leaves and has white flowers. |
