Echinacea Sunseekers 'White Perfection' is a semi-double coneflower with green and creamy-white flowers.

Echinacea 'Sweet Sandia' has single, broad petaled, bicolour flowers of watermelon-pink and lime-green around a burnt-orange cone.

Echinops sphaerocephalus 'Arctic Glow' has spiny grey-green leaves and intriguing, spherical, white flower heads in summer.

Engelmannia peristenia produces bright, cheerful, yellow daisies from late spring until frost atop rosettes of grey-green, dissected foliage.

Eremurus bungei 'Yellow' has tall, stately spires up to 4 feet tall of deep yellow flowers.

Eremurus 'Oase' has tall, fragrant spires of pale pink flowers that fade to soft yellow, with strap-like, spotted, blue-green foliage. Dramatic and unusual.

Eremurus 'Romance' has tall, stately spires of salmon pink flowers above strap like green foliage. Dramatic and unusual.

Eremurus 'Charleston' has tall, stately spires up to 4.5 feet tall of deep yellow flowers.

Eremurus 'Copper'/'Cleopatra' has tall, stately spires up to 4 feet tall of light orange flowers.

Eremurus 'Foxtrot' has tall, stately spires up to 4 feet tall of lemony to deep yellow flowers.

Eremurus 'Lemon Fizz' has tall, stately spires up to 5 feet tall of lemon yellow flowers.

Eremurus 'Moneymaker' has tall, stately spires up to 5 feet tall of yellowish orange flowers

Eremurus 'Pink Fizz' has tall, stately spires of apricot pink flowers up to five feet tall.

Eremurus 'Pink'/'Shelford Pink' has tall, stately spires up to 4 feet tall of pink to salmon pink flowers.

Eremurus 'Shelford Pink' has tall, stately spires up to 4-6 feet tall of pink to salmon pink flowers.

Eremurus 'Tap Dance' has tall, stately spires up to 5 feet tall of lemon yellow flowers.

Eremurus 'Yellow Giant' is a true exclamation point with thick spires of intensely yellow flowers that can reach 10 feet tall!

The Mexican fleabane (Erigeron karvinskianus 'Profusion') produces endless tiny lavender-pink and white daisies.

A solid groundcover for sun to part shade with dense foliage and lavender tinted white daisies.

Erigeron speciosus is a western North American fleabane with attractive lavender or lavender blue flowers.

Eriogonum allenii 'Little Rascal' thrives in full sun and dry sites with gray-green, paddle-shaped leaves and flat topped umbels of golden yellow flowers.

Eriogonum umbellatum 'Kannah Creek' has bright yellow umbels maturing to orange atop green foliage turning purple-red in winter.