Dahlia 'Bishop of York' has bright yellow flowers from June to frost over burgundy foliage.
Dahlia City Lights Golden Yellow has creamy golden yellow flowers on compact plants with rich burgundy foliage.
From the Dark Angel series, Dahlia 'Taxi Driver' has bright yellow flowers over burgundy foliage.
Dahlia 'Double Jill' produces spectacular palm-sized, ball-shaped flowers with alternating lemon yellow and creamy white petals.
'Happy Butterfly' is a tall dahlia that produces double softly colored tri-colored petals of yellow, apricot and pink. Pollinator attractor.
'Happy Days Lemon' is a dwarf dahlia that produces single lemon yellow flowers with bright yellow centres. Pollinator attractor.
From the Happy Single series, Dahlia 'Party' has single yellow flowers over burgundy foliage.
Dahlia 'Karma Gold' has a double flower with a butterscotch centre surrounded by golden petals that fade to sherbet orange.
Dahlia 'Kogane Fubuki' has large, bright yellow and pink, double flowers with split petal tips.
Dahlia 'Lake Ontario' is a stunning dahlia with fully double, golden yellow flowers edged in a rosy dark pink.
'Life Style' is an unusually stunning, fully double dahlia with golden yellow petals on top of a double row of lavender-pink.
Dahlia Mystic Illusion has warm, sunny yellow single flowers with a flush of orange at the centre at luscious, dark burgundy, filigreed foliage.
Dahlia 'Painted Madam' has orangey yellow flowers splashed and streaked with red.
Bright yellow flowers over burgundy foliage.
'Sunny Boy' is a pompom Dahlia with 2-3 inch size honeycombed blooms of yellow and orange.
'Sunshine' is a bright and bold single dahlia with deep yellow flowers centred with a red corona atop burgundy foliage.
Delosperma 'Gold Nugget' is very hardy with shining, yellow flowers in masses in spring.
Delosperma Hot Cakes 'Banana Blast' creates carpets of bright yellow flowers with icy white centres.
Delosperma Jewel of the Desert 'Peridot' has citrusy yellow starry flowers with icy white centres.
Diervilla Honeybee is a beautiful, super hardy shrub with brilliant gold leaves and tubular yellow flowers popular with bees and butterflies.
Diervilla Firefly Nightglow is a super hardy shrub with burgundy leaves and clusters of yellow flowers popular with bees and butterflies.
Digiplexis Illumination 'Apricot' has gorgeous tubular flowers of light apricot-orange and warm yellow.
Digitalis grandiflora (ambigua) 'Cream Bell' is a yellow foxglove with palest yellow flowers and orange-brown speckled throats.