'Ayesha' is the "popcorn Hydrangea" with unusual petals that are cupped outwards in shades of pink through lavender to blue.

Hydrangea macrophylla BloomChampion Mysterious Blue has stunning multicoloured double florets on compact plants.

Hydrangea macrophylla BloomChampion Mysterious Pink has stunning multicoloured double florets on compact plants.

Hydrangea macrophylla BloomChampion Rosso Glory has stunning florets that are deep pinkish red or bluish purple.

Hydrangea macrophylla BloomChampion Vibrant Verde has tricolour florets that either pink or blue with white and green.

Hydrangea macrophylla 'Grin and Tonic' is a reblooming, dwarf, bigleaf hydrangea with green flowers aging to a white.

Hydrangea Blue Enchantress is a rebloomer with black stems and mopheads of glowing blue or pink flowers.

Hydrangea macrophylla 'Blue Wave' is a classic lacecap cultivar with blue or pink flowers depending on soil pH.

Hydrangea macrophylla Cherry Explosion is an exceptionally hardy cultivar with a profusion of cherry-red lacecaps.

Hydrangea macrophylla Cherry Explosion is an exceptionally hardy cultivar with a profusion of cherry-red lacecaps.

Hydrangea macrophylla Cherry-Go-Round is a stunning, dwarf mophead with glowing cherry red flowers.

Hydrangea macrophylla Cherry-Go-Round is a stunning, dwarf mophead with glowing cherry red flowers.

Cityline Berlin is a pretty Hydrangea with clear pink flowers in alkaline soils developing shades of light blue and lavender-pink acidic soils.

Cityline Mars is a dramatic Hydrangea with white edged florets that can range from glowing royal blue to deep pink.

Cityline Paris is a luscious Hydrangea macrophylla with some of the reddest flowers of any cultivar.

Cityline Rio is a gorgeous Hydrangea macrophylla with bold colours of deep blue in acidic soil and deep purple in alkaline soil.

Cityline Venice is a gorgeous Hydrangea with bold colours of deep blue in acidic soil and deep pink in alkaline soil.

Cityline Vienna is a gorgeous Hydrangea with bold colours of royal blue in acidic soil and glowing pink in alkaline soil.

Hydrangea macrophylla 'Curly Wurly White' is a unique mophead with curled, cupped florets in white and green.

Hydrangea macrophylla Double Delights 'Dancing Snow' Wedding Gown has elegant mopheads of incredible double white florets.

Hydrangea macrophylla Double Delights 'Dancing Snow' Wedding Gown has elegant mopheads of incredible double white florets.

Hydrangea macrophylla Double Delights 'Dancing Snow' Wedding Gown has elegant mopheads of incredible double white florets.

This unique, double flowered, mop head hydrangea can have blue or pink flowers depending on the pH of the soil.

Hydrangea macrophylla Double Delights Star Gazer is a stunner with lacecaps of double florets in pink or blue with a white picotee.