Canna ‘Alaska’ is a medium sized Crozy Group cultivar; glaucous green foliage, elliptical-acuminate shaped, white margin, branching habit; oval main stems, coloured green; triangular flower stalks, coloured green; spikes of flowers are open, self-coloured white, throat lemon, staminodes are medium size, edges lightly frilled, stamen is cream, style is cream, petals yellow, fully self-cleaning, outstanding bloomer, blooms open in the early morning; fertile both ways, not self-pollinating or true to type, capsules round; rhizomes are thick, up to 3 cm in diameter, coloured white; tillering is prolific.
Participated in the 2002 Canna Trials conducted by the Royal Horticultural Society in their gardens at Wisley. Deemed to be the best white in the Trials, even though it was exactly like C. ‘Chesapeake’ which was growing alongside it. Entered in the trials by Agrexco, it is reputed to be an unnamed seedling from Rev. Curtis Wallace’s intensive breeding programme.