Try to plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that Madame Le Coultre is thought of as hardy, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea).
Growing Madame Le Coultre from seed
Look to ensure a distance 1.48 feet (45.7 cm) between Madame Le Coultre seeds when sowing to make sure your seedlings have enough space.
Transplanting Madame Le Coultre
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Madame Le Coultre is a hardy plant.