Buddleja 'Buzz Midnight' is a dwarf butterfly bush that blooms continuously with fragrant, dark purple flowers.

Buddleja 'Pugster Blue' is a hardy dwarf butterfly bush that blooms continuously with fragrant, blue flowers.

Buddleia 'Pugster Pinker' is a hardy dwarf butterfly bush that blooms continuously with fragrant, pink  flowers.

Buddleia 'Violet Cascade' is a sterile semi-dwarf butterfly bush that blooms from summer to fall with fragrant, purple flowers.

Buddleja Buzz 'Sky Blue' is a dwarf butterfly bush that blooms from summer to fall with fragrant, lavender-blue flowers.

Camellia japonica 'Jordan's Pride' (aka 'Herme') features incredible bicolour white flowers with rosy pink mottles, stripes and flares.

Caryopteris incana 'Beyond Pink'd' is a deciduous shrub known as bluebeard with masses of pink flowers full of nectar.

Daphne 'Perfume Princess' is an amazing hybrid with an extremely long bloom period of intensely sweet, citrusy fragrance.

Diervilla Firefly Nightglow is a super hardy shrub with burgundy leaves and clusters of yellow flowers popular with bees and butterflies.

Ensete glaucum is a rare snow banana and a Musa relative with large, paddle-shaped leaves. Zone 7b hardy with protection.

Euonymus alatus 'Fireball Select' also know as burning bush, is a stunning ornamental shrub cultivated for its brilliant red fall foliage.

Ficus benjamina 'Toolittle' is a dwarf fig tree with a dense covering of evergreen leaves that is perfect as a bonsai specimen.

Ficus carica 'Fignomenal' is a very small dwarf fig tree that produces medium-sized brown fruit with pink interiors.

Helichrysum trilineatum SteppeSuns 'Hokubetsi' is a woody shrub with yellow flowers and silver foliage.

Hibiscus syriacus 'Aphrodite' is a rose-of-Sharon with single, vase-shaped, pink flowers with dark red eyes.

Hibiscus 'Blue Bird' is a rose of Sharon with single, vase-shaped, violet-blue flowers and dark reddish-purple centres.

Hibiscus 'Helene' is a rose of Sharon with large, single, saucer-shaped, pure white flowers with red centres and ruffled petals.

Invincibelle Limetta is a dwarf 'Annabelle' type Hydrangea to just 36-48 inches tall and wide with lime green flowers turning to green-white.

Hydrangea macrophylla 'Elizabeth Ashley' is a bigleaf hydrangea with large, mophead flowers of sky blue or vivid pink.

Hydrangea macrophylla Rosy Splendor 'Tinkerbell' has pink or blue double florets on copious lacecap heads over a long period.

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

Hydrangea macrophylla 'Firefly' is a compact, bigleaf hydrangea with semi-double blooms of reddish pink and cream.

Hydrangea Inspire has large mopheads of pink to lavender-blue, star-shaped flowers from early summer to mid-fall.

Hydrangea macrophylla Let's Dance Rhythmic Blue is a compact, reblooming cultivar with blue or pink flowers.

Hydrangea macrophylla Magical/Everlasting 'Green Cloud' has cool green and white mophead flowers that mature to red and green.

Hydrangea Magical/Everlasting Amethyst has fuchsia pink or violet blue flowers highlighted with green on dwarf plants.

Hydrangea Magical/Everlasting Bride has mopheads of pure white flowers that eventually age to lime green.

Hydrangea Magical/Everlasting 'Revolution' has multi-coloured blue, pink and maroon flowers highlighted with green that will bloom even in zone 5!

Hydrangea macrophylla 'Dancing Angel' Peppermint Swirl/Sweet Fantasy has unique flowers in blue or pink with darker flecks.

Hydrangea macrophylla Starfield offers superb fully double blue or pink florets in large, textural mopheads.