Growing Swamp milkweed is fairly easy. Learn how to grow Swamp milkweed, and enjoy the multitude of benefits that this plant brings to the garden.

This native plant offers a special presence in the garden, and draws droves of pollinators and beautiful butterflies to the garden space.

Swamp milkweed is one of the common names for Asclepias incarnata. It is also known as rose milkweed, swamp silkweed, rose milkflower, and white Indian hemp.

Swamp milkweed, like many other species of milkweed, is a host plant for monarch butterflies, and a food source for the monarch caterpillars.

Swamp milkweed is very easy to grow from seed, as long as the seeds are stratified, to help with germination. The plant is hardy from zones 3 to 9.

The stratification process involves a cool dry chill, or a cool moist chill, for approximately thirty days in the fridge. Place in vermiculite in a baggie for the moist chill period.

Swamp milkweed seeds can be started indoors, and the seedlings can be grown under lights until planted out in spring.

Swamp milkweed seeds can also be directly sown into the garden in spring or fall, where they will germinate in place.

Winter sowing milkweed seeds is another great option for planting, with natural stratification of the seeds.

Making swamp milkweed seed balls is another sowing technique that is very simple, yet very effective, with great germination success.

Plant the swamp milkweed seedlings into a prepared garden bed, approximately one and one half to two feet apart, to allow for growth of the plants at maturity.

Swamp milkweed grows best in full sun, however will also grow in a partial shade location as long as there are at least six to eight hours of direct sunlight per day.

As the name suggests, swamp milkweed will grow in a swampy and high moisture location, and prefers a moist soil, although it will also grow in regular garden soil.

Pruning or deadheading the swamp milkweed seed pods will help to prevent reseeding. You can also prune back the old milkweed stems, as part of winter or spring garden cleanup.

Swamp milkweed is a very important plant for the survival of the monarch butterfly, and planting even a small patch can make a difference for this species.

Consider planting some swamp milkweed this season, and enjoy all the beauty that this plant brings to your garden space.

For more information, see the tutorial!