Acaena inermis 'Purpurea' is an excellent ground cover for crawling over gravel paths or stones with gorgeous purple-blue-grey foliage.

Acaena saccaticupula 'Blue Haze' is an excellent ground cover with powder blue foliage.

Achillea tomentosa 'Goldie' is a woolly yarrow that produces clusters of yellow flowers on top of evergreen, fuzzy foliage.

Ajuga Feathered Friends 'Cordial Canary' is a semi-evergreen bugleweed with bright gold foliage and cobalt-blue flowers.

Ajuga Feathered Friends 'Fancy Finch' is a semi-evergreen bugleweed with trifoliate colours of gold, bronze and green with blue flowers.

Ajuga Feathered Friends 'Fierce Falcon' is a semi-evergreen bugleweed with glossy, purple to black foliage and cobalt-blue flowers.

Ajuga Feathered Friends 'Noble Nightingale' is a semi-evergreen bugleweed with metallic black leaves and cobalt with blue flowers.

Ajuga Feathered Friends 'Parrot Paradise' is a semi-evergreen bugleweed with yellow, orange, and red leaves with blue flowers.

Ajuga Feathered Friends 'Petite Parakeet' belongs to the Feathered Friends series. An evergreen bugleweed in shades of yellow, red and green leaves with cobalt with blue flowers.

Ajuga Feathered Friends 'Tropical Toucan' is a semi-evergreen bugleweed with golden yellow leaves with blue flowers.

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 europaeum is a groundcover of the highest order with attractive, somewhat glossy, kidney-shaped to round foliage on creeping rhizomes.

Aster divaricatus 'Eastern Star' is a shade aster with jet black stems and clouds of tiny white flowers in fall.

Convallaria majalis 'Hardwick Hall' is a lily-of-the-valley with fragrant, white bell-shaped flowers and foliage that is rimmed in yellow.

Corydalis lutea has clusters of bright yellow, spurred flowers that bloom above blue-green foliage for months on end.

Delosperma ashtonii 'Blut' produces masses of the most intense, glowing, magenta flowers with white centres over a long period in the summer

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

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

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

Dianthus Fruit Punch 'Maraschino' produces large, fully double, cherry red blossoms with serrated edges and a dark burgundy eye.

Dianthus Fruit Punch 'Raspberry Ruffles' produces large, fully double, raspberry pink blossoms with serrated edges and a thin white to pale pink edge.

Lamium maculatum 'Purple Dragon' is a spotted dead nettle with silver foliage and purple flowers. Makes a superb ground cover.

Lamium maculatum 'White Nancy' is a spotted dead nettle with silve foliage and white flowers. A superb ground cover for the shade garden.

Lithodora Gold 'N' Sapphires displays deep blue flowers atop striking gold foliage.

Monardella macrantha 'Marian Sampson' is a unique ground cover with clusters of long, tubular, flaming red flowers popular with hummingbirds.

Pachysandra terminalis 'Green Sheen' forms whorls of glossy, leathery foliage topped with white flowers in spring.

xSedoro 'Blue Elf' is the first inter-generic hybrid between Sedum and Orostachys. It has steel-blue tufted rosettes topped with tight clusters of dark-pink flowers that attract bees.

Sedum ellacombianum 'Cutting Edge' is a mounding sedum with scalloped, spatula-shaped leaves with gold margins.

Sedum reflexum 'Blue Moon' is a creeping stonecrop with narrow, blue-green foliage and yellow flowers in early summer.

Sedum reflexum 'Sundance' is creeping stonecrop with narrow, vivid yellow foliage and yellow flowers in early summer.

Sedum Sunsparkler 'Angelina's Teacup' is a compact, dwarf form of 'Angelina' that does not bloom.

Sedum Sunsparkler 'Cherry Tart' has bright pink flowers which make a remarkable contrast with the cherry-red foliage and stems.

Sedum Sunsparkler 'Cosmic Comet' is a mounding stonecrop with glaucous blue foliage and reddish pink flowers.

Sedum Sunsparkler 'Dazzleberry' has dark pink flowers atop blue-grey foliage and stems making for a great colour contrast.

Sedum Sunsparkler 'Dream Dazzler' is an exciting cultivar with dramatic purple foliage edged in hot pink!

Sedum SunSparkler 'Firecracker' is a hardy stonecrop with luscious red foliage and deep pink flowers.

Sedum Sunsparkler 'Plum Dazzled' has small, succulent, dark purple foliage and large heads of cherry pink flowers.

Sedum Sunsparkler 'Wildfire' is an exciting cultivar with dramatic purple-red foliage edged in hot pink!

Sempervivum 'Gold Nugget' from the Chick Charms series is a stupendous gold and red cultivar.

Sempervivum Appletini from the Chick Charms series is a bold bicoloured selection with mid green leaves tipped with burgundy-black.

Sempervivum Chick Charms Autumn Apple forms clusters of large rosettes glowing apple red in fall.

Sempervivum Berry Blues from the Chick Charms series offers smokey blue-grey tones on large rosettes that flush with burgundy in cooler weather.

Sempervivum Chick Charms Berry Bomb forms clusters of large rosettes glowing with deep burgundy red.

Sempervivum Bing Cherry from the Chick Charms series makes a bold statement with deep cherry burgundy colours.

Sempervivum Cherry Berry from the Chick Charms series is a beacon of bright cherry red colours in spring and summer turning to green with red highlights in fall and winter.

Sempervivum Chocolate Kiss from the Chick Charms series forms large rosettes in luscious tones of warm, reddish burgundy browns.

Sempervivum Cinnamon Starburst from the Chick Charms series is a unique bicolour selection with apple green centres surrounded by cinnamon red outer foliage.

Sempervivum Chick Charms Cosmic Candy produces garnet red leaves edged with silver hairs around green centres.

Sempervivum Cotton Candy from the Chick Charms forms tight rosettes shaded in light green and burgundy topped with silvery cobweb-like threads.

Sempervivum Cranberry Cocktail from the Chick Charms series has deep, warm burgundy leaves tipped with bright, chartreuse green.

Sempervivum Plum Parfait from the Chick Charms series forms large, boldly-coloured rosettes of purple-burgundy.

Sempervivum Chick Charms Strawberry Kiwi forms clusters of large rosettes with rich burgundy red leaves with green bases.

Sempervivum Chick Charms Sugar Shimmer forms tightly-packed rosettes of pale green with pale pink tips all covered in silver-white hairs.

Sempervivum Watermelon Ripple from the Chick Charms series makes a dramatic statement with large rosettes of rich red leaves mottling towards blue-green tips.

Tanacetum densum var. amani forms evergreen, textured mats of soft, feathery, silver foliage and bright yellow button-like flowers.

Teucrium chamaedrys is a wonderful, low-growing, compact plant with densely packed, attractive, mint-scented leaves.

Trifolium 4 Luck 'Coco Mint' is a darling little groundcover offering vigorous carpets of little shamrocks that are rich burgundy with mint green centres.

Trifolium 4 Luck 'Green Glow' is a darling little groundcover offering vigorous carpets of little shamrocks that are emerald green with mint green tips.

Veronica 'Tidal Pool' has darling blue flowers with white eyes and lush ground covering foliage.

Veronica 'Waterperry Blue' is a great evergreen speedwell with burgundy-flushed green foliage and charming lavender flowers.

Veronica liwanensis has tiny, glossy, oval leaves that form a neat evergreen mat and cobalt blue flowers with a white central eye.

Veronica 'Snowmass' is a delicate yet vigorous creeping speedwell producing masses of pure white flowers with blue eyes