Moonflowers are classified as perennial vines and will wrap their way around nearby structures as they grow, so they sometimes require maintenance to keep them contained. Their sweet-smelling flowers blossom at night, and you should sow the seeds when it’s 60 to 70 degrees Fahrenheit.

To prepare moonflower seeds for germination, soak them in water overnight, bury them ¼ inch deep in soil containing seed-starter mix, and avoid touching the roots after they’re planted. Moonflowers grow best in biodegradable peat pots and prefer warm, sunny locations.

All moonflowers truly require is well-drained soil, plenty of sunlight, and enough water to avoid dehydration — also, fertilizers that are rich in phosphorus can help the flowers grow. During colder months, ensure the roots are mulched at all times or bring the moonflowers inside.

Moonflowers self-seed when they have an established patch, but you can propagate by collecting dry seed pods and planting them in the fall. You can also take a 4-inch cutting from your moonflowers, strip off the excess leaves, and plant it into a shallow pot.