Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Florence is thought of as hardy, so this plant will survive close to or on freezing temperatures.
Growing Florence from seed
By our calculations, you should look at sowing Florence about 56 days before your last frost date.
Transplanting Florence
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Florence is a hardy plant.