Origanum 'Kirigami' forms mounds of aromatic, light green foliage and purple, pink, and green, hops-like inflorescences.

Origanum 'Amethyst Falls' is an ornamental oregano with cool shrimp-like pink and amethyst flowers.

Origanum 'Drops of Jupiter' is an ornamental oregano with pink flowers and aromatic, chartreuse-yellow foliage.

Ornithogalum arabicum forms fragrant clusters of white, star-like flowers with glistening, jet black central ovaries.

Ornithogalum dubium is unusual in its genus for having bright tangerine orange flowers rather than white and green centres.

Ornithogalum nutans has spikes of fragrant, outward-facing to slightly nodding, star-shaped flowers coloured white and grey-green.

Ornithogalum ponticum 'Sochi' is a rare star-of-Bethlehem with dazzling two foot spikes of starry white flowers.

Ornithogalum pyramidale forms pyramidal spikes of fragrant, outward-facing, pure white, star-shaped flowers with green-striped reverses in early summer.

Ornithogalum reverchonii is a rare star-of-Bethlehem with spikes of fragrant, outward-facing, pure white, bell-shaped flowers on stems 24-36 inches tall.

Ornithogalum saundersiae is a South African bulb with clusters of fragrant, upward facing, white flowers on long stems.

Ornithogalum thyrsoides is an ephemeral bulb with spikes of fragrant, outward-facing, star-shaped flowers in late spring.

Osmanthus fragrans has fragant white flowers aging to yellow. Used in China in teas and desserts.

Osmanthus fragrans f. aurantiacus has small, orange, extremely fragrant, edible flowers famous in China for use in teas and other foods.

Osmanthus fragrans f. thunbergii has small, pale yellow, extremely fragrant, edible flowers famous in China.

Oxalis enneaphylla 'Rosea' is small in stature but mighty in flowers and can bloom from spring through fall.

A great alternative to the standard Pachysandra terminalis , P. procumbens also has fragrant flowers and more attractive foliage.

Rose shaped flowers appear on branches in the early spring as the new growth is emerging, often blooms for extended periods.

Paeonia lactiflora 'Alertie is a lovely, fragrant, early-blooming, double peony with pale pink flowers that fade to white.

Paeonia 'Angel Cheeks' is an award-winner with large pale pink fully double flowers with hints of yellow.

Paeonia lactiflora 'Big Ben' produces huge, double, bomb-type heads of beautifully fragrant, cherry red flowers.

Paeonia lactiflora 'Bouquet Perfect' is a gorgeous mid season anemone type peony with glowing bright pink to magenta flowers.