Keep in mind when planting that Moulin Rouge F1 Hybrid is thought of as hardy, so this plant will survive close to or on freezing temperatures.
By our calculations, you should look at sowing Moulin Rouge F1 Hybrid about 105 days before your last frost date.
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Moulin Rouge F1 Hybrid is a hardy plant.