Camassia leichtlinii 'Silk River' is a compact, white-flowered form of the great camas.

Crocus cartwrightianus is a fall-flowering species with palest mauve flowers with purple feathers.

Crocus cartwrightianus 'Albus' has pure white flowers in fall with deep orange pistils and yellow anthers.

Crocus goulimyi is fall-flowering with goblet-shaped, lavender flowers on long tubes.

Crocus laevigatus 'Fontenayi' is a rare fall-flowering species with lovely lavender flowers with dark purple markings.

Crocus ochroleucus is a white fall-flowering species with a beautiful, delicate shape.

Crocus sativus is the purple, October blooming crocus grown to produce saffron, a luxury spice cultivated since the late Bronze Age.

Crocus speciosus is a fall-flowering species with broad, rounded, mauve petals and a dramatic orange pistil.

Crocus speciosus 'Albus' is a fall-flowering species with broad, rounded, pure white petals with deep orange pistils.

Crocus zonatus is a fall-flowering species with light to mid pink flowers with yellow centres.

Crocus ancyrensis 'Golden Bunch' is among the earliest to bloom in the late winter garden with an abundance of orange-yellow flowers.

Crocus angustifolius is known as the "cloth of gold crocus" with golden orangey-yellow flowers with bold purple markings.

Crocus biflorus ssp. weldenii 'Fairy' is a beautiful cultivar with ivory white inner petals and pewter purple outer ones.

Crocus chrysanthus 'Advance' has lovely lemon yellow flowers with a purple flush on the outside.

Crocus chrysanthus 'Blue Marlin' is a delicately coloured cultivar with white to palest lavender interiors and grape purple striped petals.

Crocus chrysanthus 'Fuscotinctus' is a beautiful cultivar with deep golden yellow flowers striped with burgundy red.

Crocus chrysanthus 'Gipsy Girl' has lovely yellow to deep yellow petals with deep purple to purplish-brown feathing on the outer tepals.

Crocus chrysanthus 'Herald' has lovely yellow to deep yellow petals with deep purple reverses.

Crocus chrysanthus 'Lady Killer' features snow white, cupped flowers with a purple flush on the exterior of each pointed petal.

Crocus chrysanthus 'Prins Claus' is a snow crocus with large, white and purple, cup shaped flowers.

Crocus chrysanthus 'Romance' sports two colours of yellow: light, creamy yellow and rich, deep buttery yellow.

Crocus corsicus flowers are bright lilac-pink on the inside and light pink on the outside with dark purple feathering.

Crocus fleischeri is a rare and distinctive species with narrow, pure white petals and bright orange-red, branched pistils.

Crocus heuffelianus is a beautiful crocus with large, lavender-purple flowers with dark purple chevrons at the petal tips.

Crocus imperati 'De Jager' is a gorgeous yellow and lavender bicolour Crocus accented with the deep purple lines.