Common Milkweed Asclepias syriaca Linnaeus

Status:

Found in open field habitats and along roadsides. Blooming typically occurs by the middle of June and lasts through July.

Where to find:

Common across the state. Look on the edges of open roadsides.

Relationships:

Critically important larval host plant for Monarchs and many other species: Large Milkweed Bug, Small Milkweed Bug, Red Milkweed Beetle, Milkweed Tussock Moth, Oleander Aphid (non-native), Swamp Milkweed Leaf Beetle.

There are 400 records in the project database.

View species at Maryland Plant Atlas

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Common Milkweed in Garrett Co., Maryland (7/12/2014). Photo by Bill Hubick. (MBP list)

Common Milkweed growing in Anne Arundel Co., Maryland (6/7/2011). Photo by Bill Harms. (MBP list)

Common Milkweed in Prince George's Co., Maryland (6/20/2015). Photo by Bill Harms. (MBP list)

Common Milkweed in Garrett, Maryland (7/12/2014). Photo by Jim Stasz. (MBP list)

Common Milkweed in Allegany Co., Maryland (7/11/2014). Photo by Jim Stasz. (MBP list)

A close-up of Common Milkweed blooming in Allegany Co., Maryland (6/28/2015). Photo by Ashley Bradford. (MBP list)

Common Milkweed in Garrett Co., Maryland (7/12/2014). Photo by Bill Hubick. (MBP list)

Common Milkweed blooming in Montgomery Co., Maryland (6/14/2014). Photo by Max Wilson. (MBP list)

Common Milkweed in Howard Co., Maryland (7/12/2009). Photo by Bonnie Ott. (MBP list)

Common Milkweed in Caroline Co., Maryland (6/30/2016). Photo by Wayne Longbottom. (MBP list)

Common Milkweed blooming in Dorchester Co., Maryland (6/9/2015). Photo by Jim Brighton. (MBP list)

Common Milkweed blooming in Frederick Co., Maryland (6/19/2016). Photo by Mark Etheridge. (MBP list)

Common Milkweed in Caroline Co., Maryland (9/4/2016). Photo by Wayne Longbottom. (MBP list)

Common Milkweed with white flowers in Dorchester Co., Maryland (6/25/2013). Photo by Jonathan Willey. (MBP list)

Common Milkweed in Queen Anne's Co., Maryland (8/9/2016). Photo by Wayne Longbottom. (MBP list)

Common Milkweed post bloom with seed pods in Talbot Co., Maryland (8/19/2012). Photo by Jim Brighton. (MBP list)

Common Milkweed in Howard Co., Maryland (7/3/2010). Photo by Bill Harms. (MBP list)

Seeds of a Common Milkweed in Dorchester Co., Maryland (9/15/2012). Photo by Jim Brighton. (MBP list)

Common Milkweed (seed pods and seeds) in Caroline Co., Maryland (10/13/2015). Photo by Wayne Longbottom. (MBP list)

A Common Milkweed (seed pod and seeds) in Howard Co., Maryland (10/26/2012). Photo by Nancy Magnusson. (MBP list)

Common Milkweed in Howard Co., Maryland (9/1/2009). Photo by Richard Orr. (MBP list)

Common Milkweed, new shoots with leaves unrolling in Spring, in Montgomery Co., Maryland (4/23/2017). Photo by Bill Hill. (MBP list)

Common Milkweed past seed dispersal in fall, Queen Anne's Co., Maryland (10/6/2012). Photo by Bill Hubick. (MBP list)

Common Milkweed (winter aspect) in Prince George's Co., Maryland (11/27/2015). Photo by Dan Small. (MBP list)

Common Milkweed hosts an American Goldfinch in Howard Co., Maryland (9/29/2013). Photo by Richard Orr. (MBP list)

Common Milkweed hosting a Milkweed Tussock Moth caterpillar in Kent Co., Maryland (9/7/2014). Photo by Nancy Martin. (MBP list)

Pollinia of Common Milkweed cling to the hind foot of Melissodes trinodis in Anne Arundel Co., Maryland (7/9/2014). Photo by USGS PWRC. (MBP list)

Common Milkweed growing in Frederick Co., Maryland (6/19/2016). Photo by Mark Etheridge. (MBP list)


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