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 Chocolate Fountain is a weeping silk tree with burgundy foliage and months of pink puff ball flowers through summer.

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.

Alchemilla erythropoda, the dwarf lady's mantle, is a more compact version of A. mollis with blue-green leaves.

Alchemilla ellenbeckii is an unusual, creeping lady’s mantle with trailing, reddish stems with tiny leaves and electric green flowers.

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.

Allium caeruleum has royal blue flowers and hails from central Asia, western Siberia and China.

Allium carinatum ssp. pulchellum 'Album' offers pure white fireworks of small florets in the summer garden

Allium carinatum ssp. pulchellum looks like fireworks of rosy-purple florets in the summer garden.

Allium cepa 'Snowball White' is a beautiful edible onion known for its white colour and deliciously spicy flavour.

Allium cepa 'Sturon' is an award-winning Spanish onion with sweet and full-flavoured yellow flesh and straw-coloured skin.

Allium cepa 'Walla Walla' is a famous onion prized for its versatility, large, round size, sweet flesh, and yellow skin.

Allium cepa. 'Red Karmen' is a beautiful edible onion known for its red colour and deliciously sweet yet spicy flavour.

Allium convallarioides is a rare species with delicate, bell-shaped, white flowers held in a loose sphere.

Allium cristophii looks like a firework of tiny lavender pink flowers exploding in heads up to 15 inches wide!

Allium flavum has open flower heads like exploding bright yellow fireworks.