Keep in mind when planting that Francesca is thought of as hardy, so this plant will survive close to or on freezing temperatures. Planting Francesca in sandy, loamy and clay soil with a ph of between 5.6 and 6.0 is ideal for as it does best in weakly acidic soil.
By our calculations, you should look at sowing Francesca about 105 days before your last frost date.
As Francesca is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.