Pick your own favourite from the variety of cone flowers available.

Echinacea purpurea is commonly called the Cone Flower. There are other Echinacea varieties that will put on a long lasting and colourful display in your garden. The daisy like flower heads are attractive to insects and butterflies and are available is several warm colours.
Echinacea make good cut flowers for the house.

Echinacea Varieties

1. Echinacea ‘Tomato Soup’ looks the colour of one of the eponymous Heinz 57 varieties. The hardy plant grows 2-3′ tall and the flowerheads can be 5-6″ across. Flowering from mid-summer they appear on the top of branching stems.
2. Echinacea Tiki Torch grows 3′ tall and has flowers with orange petals in a ray around a prominent orange-red disc. Slightl;y scented the flowers last well and make another addition to a hot border.
3. Echinacea Mac ‘n’ Cheese has golden yellow flowerheads from mid-summer until the first frosts if deadheaded regularly.
4. Echinacea Pink Double Delight is a new coneflower that has the same large fully double and tufted pink flowers as Razzmatazz, but greater resistance to powdery mildew and sturdier foliage than its predecessor

Seeds of several varieties and cultivars are available from Thompson & Morgan

The 9 distinctive species of Echinacea

* Echinacea angustifolia – Narrow-leaf Coneflower
* Echinacea atrorubens – Topeka Purple Coneflower
* Echinacea laevigata – Smooth Coneflower, Smooth Purple Coneflower
* Echinacea pallida – Pale Purple Coneflower
* Echinacea paradoxa – Yellow Coneflower, Bush’s Purple Coneflower
* Echinacea purpurea – Purple Coneflower, Eastern Purple Coneflower
* Echinacea sanguinea – Sanguine purple Coneflower
* Echinacea simulata – Wavyleaf Purple Coneflower
* Echinacea tennesseensis – Tennessee Coneflower ‘Tall stems of small narrow foliage bear large purplish-rose flowers with unusual upward pointing petals. Plants are free-flowering, ideal for cutting and attracting birds and butterflies’

Photo from Kew at the British Museum
You can acquire or just admire plants as part of a collection that includes Echinacea
I do not consider Rudbeckia to be a Coneflower although they have a similar appearance and habit