Allium cepa 'Walla Walla' is a famous onion prized for its versatility, large, round size, sweet flesh, and yellow skin.

Allium chloranthum 'Yellow Fantasy' has open flower heads like exploding fireworks of yellow to greenish yellow.

Allium chloranthum is a rare species from Lebanon and southern Turkey with open flower heads like exploding fireworks of yellow to greenish yellow.

Allium flavum has open flower heads like exploding bright yellow fireworks.

Allium moly 'Jeannine' is a special form with bolder colour and more flowers.

Allium obliquum has blue stems to 3 feet holding sulphur yellow spheres of tiny florets. This is a rare and choice species.

Sarracenia oreophila hybrid is a 2 foot tall pitcher plant with dramatic yellow to lime green pitchers and golden yellow flowers.

Alstroemeria Inca 'Gold Rush' is a Peruvian lily that has dreamy, tropical-looking flowers in sunshine yellow with hints of red.

Alstroemeria Inca 'Sundance' is a Peruvian lily with a dreamy, tropical-looking flower in sunshine yellow with hints of pink.

Alstroemeria Fabiana displays creamy white and yellow flowers over dark green leaves with white margins.

Alstroemeria Inca 'Gold Coast' is a Peruvian lily with tropical looking blooms of lemon-yellow with speckled centres.

Alstroemeria Inca 'Rio' is a Peruvian lily with tropical looking blooms of hot yellow with speckled centres from early summer to fall.

Alstroemeria Inticancha 'Summer Breeze' has yellow to orange flowers with red cheeks that last all summer into fall.

Alstroemeria Majestic 'Marguerite' is a hardy Peruvian lily with bright yellow flowers with reddish pink bands.

Alstroemeria Majestic 'Nicolas' is a hardy Peruvian lily with bright yellow flowers with pink markings on tall stems.

Alstroemeria Majestic 'Serrant' is a hardy Peruvian lily with bright yellow flowers with red-pink markings on tall stems.

Alstroemeria 'Spring Valley' is a cold-hardy Peruvian lily with yellow petals with dark orange highlights.

Anemone ranunculoides is a species with bright yellow flowers related to the better known A. nemorosa.

Anemone ranunculoides 'Semi-Plena' has semi-double, bright yellow flowers.