Ajuga reptans 'Catlin's Giant' produces huge bronze evergreen leaves and tall blue spikes of flowers in the spring.

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.

Ajuga reptans 'Princess Elsa' is an evergreen bugleweed with shiny, silver foliage and blue-purple flowers.

Ajuga reptans 'Princess Leia' is a tricolour variegated, evergreen bugleweed with silver-green, creamy white and dark green foliage.

Ajuga tenorii 'Princess Nadia' has gorgeous variegated leaves in shades of grey-green, cream, and pink topped with reblooming purple-blue flower spikes.

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 offering 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' offers shades of yellow, red and green leaves with cobalt blue flowers.

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

Albizia Merlot Majik has merlot-purple, dissected foliage that deepens in colour through the summer and is topped by fuzzy pink flowers for months on end.

Albuca bracteata (syn. Ornithogalum caudatum), pregnant or sea onion, looks like an onion with thick, bright green leaves.

Alcea rosea Spotlight 'Blacknight' is a hollyhock with large, old-fashioned, single, purple-black flowers with small white eyes.

Alcea rosea Spotlight 'Mars Magic' is a hollyhock with large, old-fashioned, single, red flowers with bright yellow eyes.

Alcea rosea Spotlight 'Polarstar' is a hollyhock with large, old-fashioned, single white flowers with bright yellow eyes.

Alcea rosea Spotlight 'Radiant Rose' is a hollyhock with large, old-fashioned, single rosy-pink flowers with bright yellow eyes.

Alcea rosea Spotlight 'Sunshine' is a hollyhock with large, old-fashioned, single yellow flowers.

Allium ‘Universe’ offers massive spheres up to and sometimes larger than 8 inches across - as big as a beach volleyball!

Allium alitissimum is the tallest of all ornamental onions at 5-6 feet with large, warm purple spheres.

Allium 'Forelock' is a special purple-burgundy selection with fragrant drumsticks on tall stems.

Allium 'Red Mohican' is a special purple-red selection with fragrant drumsticks on tall stems.

Allium ampeloprasum, or elephant garlic, produces much larger heads than regular garlic that are milder in flavour.