Big double yellow flowers on compact plants.

Echinacea Prima Saffron 'Tnechps' offers gorgeous shades of glowing deep yellow and light orange.

Echinacea 'Secret Glow' has coneflowers in bright orange-yellow that will stand out in any crowd.

Echinacea 'Strawberry Mango' has narrow, pale yellow petals with red bases and red cones.

Echinacea Sombrero 'Summer Solstice' produces yellow petals with a white base around orange cones.

Reflexed warm yellow petals and lots of flower power.

Elaeagnus commutata is known as silverberry or wolf-willow. Its fruit is rich in vitamins A, C, and E and is popular with birds.

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

Epimedium x perralchicum 'Frohnleiten' is a chance hybrid with large bright yellow flowers with short brown spurs.

Epimedium x versicolor 'Sulphureum' has dramatic red-bronze new foliage and charming sulphur yellow flowers in early spring.

Epimedium 'Amber Queen' is a barrenwort with small yellow flowers and evergreen foliage that is bright green with a red blush.

Epimedium 'Black Sea' has dramatic winter foliage in shades of chocolate, purple or black topped with red stems and yellow flowers in spring.

Epimedium 'Songbirds' is a barrenwort with small yellow and pink flowers and evergreen foliage that is lightly red-spotted.

Epimedium 'Sphinx Twinkler' has long, narrow, serrated, evergreen leaves emerging red topped with yellow and white spurred flowers.

Epimedium 'Yokihi' is a red and yellow two-toned hybrid fairy wings or barrenwort.

Persimmon orchid (Epipactis thunbergii) forms colonies of orange-yellow flowers with pink markings. Great in moist locations.

Eranthis hyemalis Cilicica Group blooms slightly later with larger flowers and more deeply dissected foliage often flushed burgundy.

Eremurus stenophyllus is a foxtail lily with tall spires of bright yellow flowers.

Eremurus 'Charleston' has tall, stately spires up to 4.5 feet tall of deep yellow 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 Yellow has tall, stately spires up to 4 feet tall of deep yellow flowers.

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