Clematis terniflora (syn. C. paniculata), the sweet autumn clematis, produces thousands of white, star-like, fragrant flowers in fall.

Clematis viticella 'Betty Corning' has understated yet lovely fragrant, pale lilac, nodding, bell-shaped flowers.

Clematis x fargesioides has masses of fragrant, silver dollar-sized, white flowers throughout the summer.

Clematis x triternata 'Rubromarginata' has highly scented, small 1-2 (3-5cm) white magenta edged flowers.

Clematis 'Captain Thuilleaux' is lighty scented with strawberry pink bars on a creamy white background.

Clematis 'Fair Rosamund' is one of the few large flowering hybrids with a fragrance. Bluish white with pink bar and purple stamens.

Clematis Sugar-Sweet Blue is a fragrant, silvery-blue clematis with scented flowers like gardenias.

Clematis 'Suzy Mac' has fragrant, purple and violet red flowers that bloom and re-bloom from spring to early fall. Hardy to zone 2!

Clematis 'Sweet Summer Love' is like a sweet autumn clematis with colourful flowers in shades of wine red and rich purple.

Clematis 'Sweet Summer Love' is like a sweet autumn clematis with colourful flowers in shades of wine red and rich purple.

Clematis Vancouver 'Fragant Star' has a vanilla fragrance that is quite unique for a large, white flowered clematis.

Clethra alnifolia 'Hummingbird' is a compact shrub with white bottlebrush flowers that are fragrant and nectar-rich.

Clethra alnifolia 'Ruby Spice' is a compact shrub with pink and white bottlebrush flowers that are fragrant and nectar-rich.

Clethra alnifolia 'Summer Sparkler' is a compact shrub with long, twisting racemes of white flowers that are fragrant and nectar-rich.

Colocasia exculenta 'Ele Paio' is a rare taro with shiny, green tropical foliage randomly striped and speckled in white.

Colocasia esculenta 'Waikiki' is a taro or elephant ear with stunning, shiny, variegated foliage with white and pink veins.

Comptonia peregrina, commonly known as sweet fern for its fragrant, lustrous, fern-like foliage, is a super hardy shrub for terrible, infertile soils.

Blue mistflower (Conoclinium coelestinum) has flat-topped clusters of fuzzy, lavender buttons on purplish stems in summer and fall.

Conophytum maughanii is a living pebble that looks like a soft, fat, jelly-like succulent with a central cleft and shallow lobes.

Conophytum minimum 'Wittebergense' is a darling living pebble forming roundish, succulent heads with bold dark spotting.

Conophytum scitilum is a cute living pebble forming roundish, succulent heads with bold dark lines against a blue-grey background.

Conophytum vanzylii is a living pebble with nearly perfectly round bluish green spheres with a small cleft like red lips.

Convallaria 'Albostriata' is a special form of lily-of-the-valley with green leaves striped with yellow.