Dianthus carthusianorum is an unusual pink species with tall, airy, two foot stems with clusters of dark purple buds and bright pink flowers.

Dianthus Constant Cadence 'Milk Cherry' produces fragrant, semi-double flowers that transition from white through shades of pink to red.

Dianthus 'Dancing Geisha' has long, fringed petals in white, pink, rose, and lavender atop blue-green foliage.

Dianthus Fruit Punch 'Black Cherry Frost' has fragrant, semi-double, red flowers with serrated white to pink picotee edges.

Dianthus Fruit Punch 'Spiked Punch' has fragrant, fully-double, raspberry-pink flowers with heavily fringed petals and silver-blue foliage.

Dichroa febrifuga 'UBC Form' is a rare hydrangea relative with clusters of pink or blue flowers followed by long-lasting metallic, purplish berries.

Dicliptera suberecta is commonly known as the firecracker or hummingbird plant with nectar-filled, deep orange flowers.

Dierama igneum has showers of bell-shaped flowers deeply dissected into lobes in shades of magenta-red to tomato-red.

Dierama medium is an angel's fishing rod, also called lilac hairbell, with lovely bell-shaped purple to lilac flowers.

Angel's fishing rod, Dierama pulcherrimum, is a stunning, long-lived perennial with perfectly formed bells in purple and magenta.

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 'Berry Canary' has hot pink foxglove-like, tubular flowers with creamy yellow throats.

Digiplexis 'Firecracker' is a foxglove hybrid with orange-yellow flowers with rosy overtones and gray-green foliage.

Digiplexis Illumination 'Apricot' has gorgeous tubular flowers of light apricot-orange and warm yellow.

Digiplexis Illumination 'Flame' is like a foxglove crossed with a Hawaiian shirt with amazing colours of apricot-orange and reddish-magenta!

Digiplexis Illumination 'Raspberry' Improved has magenta-red flowers that bloom for months.

Digiplexis 'Rising Phoenix' is a sterile foxglove with tubular flowers of rosy-pink and light apricot hues on tall spires.

Digitalis grandiflora (ambigua) 'Cream Bell' is a yellow foxglove with palest yellow flowers and orange-brown speckled throats.

Digitalis lanata 'Cafe Creme' is an unusual foxglove bronzy brown tubular flowers with protruding white lips.

Digitalis purpurea 'Dalmatian Peach' is a common foxglove with peach-tone flowers and orange speckled throats.

Digitalis thapsi 'Spanish Peaks' is a reliably perennial selection noted for its lovely raspberry-rose flowers.

Digitalis x mertonensis is the Merton foxglove with rosy-pink flowers and darker speckled throats and lives longer than common foxglove.

Dodecatheon hendersonii is a western North American shooting star locally common at the southern tip of Vancouver Island.

Dodecatheon jeffreyi is a western North American native shooting star with loose umbels of pink, deep pink, or magenta flowers.