Crocus tommasinianus ‘Whitewell Purple’ – This cultivar of Tommy Crocus features six-petaled violet-blue flowers that are silvery-white in the center when fully open – blooms February to March. ‘Whitewell Purple’ holds up well in our often rainy springs and also naturalizes when given adequate winter drainage. Grows to 4″ high. Hardy to zone 3.
Crocus chrysanthus ‘Cream Beauty’ – An RHS Award of Garden Merit winner with pale creamy-yellow blooms (slightly darker inside) with a subtle purplish-brown streak on the outside petal base. ‘Cream Beauty’ flowers late winter through early spring and features green, grass-like foliage accented with a silvery-white stripe down the middle. Grows 3 to 4″ high. Hardy to zone 3.
Crocus tommasinianus ‘Roseus’ – This form of Tommy Crocus is as close as you will get to pink for the spring-blooming species. The buds almost look bicolor (contrasting white and pink petals) and open to six violet-pink petals with contrasting yellow stamens. Blooms February to March. Reported to be squirrel proof in some circles. Grows 4″ high. Hardy to zone 3.
Crocus chrysanthus ‘Gypsy Girl’ – This 1960 introduction features bright yellow flowers with contrasting maroon feathering on the outside petals. It naturalizes well and is beautiful in combination with ‘Goldilocks’ and ‘Cream Beauty’. The blooms will close on dull rainy days and also in the evening. Looks best when planted in informal drifts. Grows to 4″ high. Hardy to zone 3.
Crocus chrysanthus ‘Blue Pearl’ – Another RHS Award of Garden Merit winner with unique pale silvery-violet flowers contrasted by a yellow throat. They bloom from February to March and are one of the best snow crocuses for naturalizing. These can also be naturalized in the lawn but you will have to delay cutting until the crocus foliage yellows. Grows 3-4″ high. Hardy to zone 3.