Ajuga 'Valfredda' Chocolate Chip has small, narrow, elongated leaves that are flushed with burgundy when young and in more sun.

Ajuga reptans 'Golden Glow' has gold and cream variegated foliage that is flushed with pink in cooler weather.

Ajuga reptans 'Pink Lightning' has bluish green and cream variegated foliage that is flushed with pink in cooler weather.

Antirrhinum hispanicum 'Roseum' is a hardy snapdragon with pale pink flowers with a pale yellow dot on the lower lip.

Anthirrhimum sempervirens 'Drew's Folly' is a hardy perennial snapdragon with dusty pink flowers and fuzzy dark green foliage.

Asarum splendens is one of the finest wild gingers with glistening, broadly arrow-shaped, deep green leaves which flaunt dramatic silver marbling.

Callirhoe involucrata is an extremely showy, midwestern US native with luscious, glowing, magenta flowers with white centres.

Corydalis Blue Line 'Couriblue' produces clusters of glowing blue, honey-scented flowers on cinnamon stems atop finely textured, blue-green leaves.

'Blue Heron' is a true blue, fragrant Corydalis with finely textured foliage.

Corydalis elata is taller, later blooming, fragrant, and does not go dormant in summer.

Corydalis flexuosa Hillier 'Porcelain Blue' produces clusters of fragrant, glowing blue flowers atop finely textured foliage.

Delosperma 'Alan's Apricot' produces uniquely coloured flowers in shades of pale pink, apricot, and yellow.

Delosperma 'Granita Orange' is a hardy, mat-forming succulent covered in orange flowers in late spring and through summer.

Delosperma 'Gold Nugget' is very hardy with shining, yellow flowers in masses in spring.

Delosperma 'Granita Raspberry' has stunning mats covered in flowers of raspberry red, magenta-purple, and lavender purple.

Delosperma Ocean Sunset 'Orange Glow' is an ice plant with mats of orange blooms with hot pink tips and bright yellow centres.

Delosperma Ocean Sunset 'Orange Vibe' is an ice plant with mats of orange blooms and yellow centres.

Delosperma Ocean Sunset 'Violet' is an ice plant with mats of violet blooms and yellow centres.

Delosperma Jewel of Desert 'Amethyst' is an ice plant with bright magenta flowers with white centres.

Delosperma Jewel of Desert 'Garnet' is an ice plant with glowing tricolour flowers in icy white, hot magenta and red.

Delosperma Jewel of Desert 'Granade' is an ice plant with glowing deep orange flowers with icy white centres.

Delosperma Jewel of the Desert 'Peridot' has citrusy yellow starry flowers with icy white centres.

Delosperma 'Red Mountain Flame' is an evergreen ground cover with masses of scarlet flowers accented with magenta and white.

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

Dianthus 'First Love' has intensely fragrant flowers that change from white through pink to deep rose-pink as they age.

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

Echinacea pallida 'Hula Dancer' has slender, reflexed, white or pink ray florets around reddish-brown cones.

Echinacea purpurea 'Fatal Attraction' is a purple coneflower with large deep purple-pink flowers with upright petals on red stalks.

Echinacea 'PowWow White' has pure white petals around orange cones on well-branched, compact plants with lots of flower power.

Fragaria 'Honeoye' is a Junebearing strawberry with white blossoms and large, sweet, juicy, red fruit said to be one of the top cultivars.