Start indoors 6 to 8 weeks before last frost and transplant out in full sun after last frost. Direct seeding is possible after last frost but plants will have a shorter bloom period. Allow 20-30cm spacingbetween plants and give them fertile,well-drainedsoil. Cut flowers just as the outside petals begin to open and placeimmediatelyin water. Vase life is 7-10 days.Annual.