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13 Virginia Milkweeds (Asclepias spp.) to Grow for Monarch Butterflies

Virginia Milkweed Species to Include in your Butterfly Garden

There are thirteen native species of Virginia milkweeds (Asclepias spp.). Milkweeds are an important host species for Monarch, Queen, and Soldier Butterflies. The Monarch butterfly in particular uses the cardenolides found in the milky sap of milkweeds to give an unpleasant taste to predators. These plants are also an important nectar source to all insects visiting your pollinator garden.

1. Clasping Milkweed (Asclepias amplexicaulis), a Milkweed for Moist to Dry Soils

Clasping Milkweed (Asclepias amplexicaulis): Clasping milkweed is native throughout Virginia, except for the far western counties (Kartesz 2015). In the wild, clasping milkweed grows in dry woodlands, meadows, and roadsides that have sandy or gravelly soil. Growing up to 3 feet tall, this milkweed has greenish-pink, red, brown, to purple flowers that bloom from March to September.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-9 and requires full sun to part-shade and moist to dry sandy soils. Seeds of clasping milkweed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Plant of clasping milkweed (Asclepias amplexicaulis) with pink flowers in a wooded area.
Clasping Milkweed (Asclepias amplexicaulis) in a Wooded area — Mason Brock (Masebrock), Public domain, via Wikimedia Commons
Pinkish flowers of clasping milkweed (Asclepias amplexicaulis) in a field.
Clasping Milkweed with Pink Flowers — cassi saari, CC BY-SA 4.0, via Wikimedia Commons
Reddish-pink flowers of clasping milkweed (Asclepias amplexicaulis) in a field.
Flowers of Clasping Milkweed — “Asclepias amplexicaulis – Clasping Milkweed” by FritzFlohrReynolds is licensed under CC BY-SA 2.0.

2. Poke Milkweed (Asclepias exaltata), a Milkweed for Shade and Moist Soils

Poke Milkweed (Ascelpias exaltata): Poke milkweed is native in the western and northern counties of Virginia (Kartesz 2015). In the wild, poke milkweed grows in moist woods, roadsides, and the edges of woods. Growing from 2 to 6 feet tall, it is one of the taller milkweeds in Virginia and has flowers that are white to green with accents of rose, purple, or blue. Blooming occurs from May to August.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-9 and requires part-shade to full shade and moist soil. For shade gardens, this is a choice milkweed. Seeds of poke milkweed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Greenish-white flowers of poke milkweed (Asclepias exaltata) in a wooded area.
Flowers of Poke Milkweed (Asclepias exaltata) — Dendroica cerulea, CC BY 2.0, via Wikimedia Commons
Plant of poke milkweed with white flowers in a wooded habitat.
Poke Milkweed in a Wooded Area — “Asclepias exaltata” by kevinliam is marked with CC0 1.0.
White flowers of poke milkweed (Asclepias exaltata) in a wooded area.
Poke Milkweed with White Flowers — homeredwardprice, CC BY 2.0, via Wikimedia Commons

3. Swamp Milkweed (Asclepias incarnata), a Milkweed for Moist Soils

Swamp Milkweed (Asclepias incarnata): Swamp milkweed has two subspecies, ssp. incarnata and ssp. pulchra. The former is native and rare generally in western Virginia (hardy in zones 3-9), while the latter is found throughout the state (hardy in zones 4-9). Like the name suggests this milkweed is found in wet places such as the shores of streams, lakes, ponds, and other wetlands. However, as a landscape plant it can exist in drier places. The flowers are variable and are generally a pink to red color, but there is also a white cultivar (pictured below).

In your Virginia butterfly garden, swamp milkweed is hardy in zones 3-9 and requires full sun to part shade with moist soil, but can handle drier conditions. Seeds of swamp milkweed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Pink flowers of swamp milkweed (Asclepias incarnata) from Pennsylvania.
Swamp Milkweed (Asclepias incarnata) with Pink Flowers — Cbaile19, CC0, via Wikimedia Commons
Swamp milkweed (Asclepias incarnata) 'Ice Ballet' cultivar.
‘Ice Ballet’ Cultivar of Swamp Milkweed — Photo by and (c)2009 Derek Ramsey (Ram-Man), GFDL 1.2, via Wikimedia Commons
Follicles (fruits) of swamp milkweed (Asclepias incarnata) in a garden.
Follicles — “Swamp milkweed, rose milkweed, asclepias incarnata, new England native garden” by sapienssolutions is licensed under CC BY 2.0.

4. Few-flower Milkweed (Asclepias lanceolata), a Milkweed for Moist Soils

Few-flower Milkweed (Asclepias lanceolata): Few-flower milkweed is native to the coastal regions Virginia and is considered to be rare (Kartesz 2015). In the wild, few-flower milkweed grows on the edges of marshes and the wet areas of pine barrens and savannas. Growing from 2 to 5 feet tall, it has flowers that are yellow, orange to red and bloom from May to August.

In your Virginia butterfly garden, few-flower milkweed is hardy in zones 5-11 and requires full sun to part-shade in loamy moist to wet soil.

Plant of few-flowered milkweed (Asclepias lanceolata) in a wetland.
Flowers of Few-flower Milkweed — Asclepias lanceolata Walter observed in United States of America by John Kees (licensed under CC0 1.0)
Plant of few-flower milkweed (Asclepias lanceolata) in an open area.
Plant of Few-flower Milkweed — Asclepias lanceolata Walter observed in United States of America by Jana Miller (licensed under CC0 1.0)
Orangish flowers of few-flower milkweed (Asclepias lanceolata).
Flowers of Few-flower Milkweed — Asclepias lanceolata Walter observed in United States of America by Robert Webster (licensed under CC BY SA 4.0)

5. Long-leaf Milkweed (Asclepias longifolia), a Milkweed for Moist Soils

Long-leaf Milkweed (Asclepias longifolia): Long-leaf milkweed is native to the southeastern counties of Virginia and is considered to be rare (Kartesz 2015). Long-leaf milkweed has two varieties, one of which Asclepias longifolia var. longifolia, is found in Virginia. In the wild, this milkweed, grows in moist areas and wetlands such as bogs, swamps, and wet flatwoods. Growing from 1 to 2.5 feet tall, the flowers are greenish-white with a purplish tinge and bloom from April to July.

In your Virginia butterfly garden, variety longifolia is hardy in zones 4-9 and requires full sun and moist to wet soils.

Purple flowers of long-leaf milkweed (Asclepias longifolia).
Long-leaf Milkweed with purplish flowers — Asclepias longifolia Michx. observed in United States of America by Justin (licensed under CC0 1.0)
Yellowish-pink flowers of long-leaf milkweed (Asclepias longifolia).
Yellowish Flowers of Long-leaf Milkweed — Public Domain Image
Pink flower cluster of long-leaf milkweed (Asclepias longifolia) in an open area.
Flowers of Long-leaf Milkweed — Asclepias longifolia Michx. observed in United States of America by cnagele (licensed under CC0 1.0)

6. Purple Milkweed (Asclepias purpurascens), a Milkweed for Moist Soils

Purple Milkweed (Asclepias purpurascens): Purple milkweed is native and rare in scattered locations throughout Virginia (Kartesz 2015). In the wild, purple milkweed can tolerate full sun to part shade and grows in swamps, woodlands, meadows, and roadsides. Growing up to 6 feet tall, it is one of the taller milkweeds in Virginia, and has flowers, as the name suggests that are generally purple, but can range from rose to pink, or may start out pink and mature to purple.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-8 and generally requires part-shade, but can handle full sun if needed. Soils should be moist and well-drained, but dry soil can be tolerated. Seeds of purple milkweed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Close-up of pinkish-purple flowers of purple milkweed (Asclepias purpurascens).
Purple Milkweed with Pinkish-purple Flowers — Steepcone, Public domain, via Wikimedia Commons
Plants of purple milkweed (Asclepias purpurascens).
Group of Purple Milkweed in a Garden — peganum from Henfield, England, CC BY-SA 2.0, via Wikimedia Commons
Plant of purple milkweed (Asclepias purpurascens) with purple flowers.
Purple Milkweed with Purple Flowers — Asclepias purpurascens L. observed in United States of America by Jim Bowhay (licensed under CC0 1.0)

7. Four-leaf Milkweed (Asclepias quadrifolia), a Milkweed for Dry Rocky Soils

Four-leaf Milkweed (Asclepias quadrifolia): Four-leaf milkweed is native throughout Virginia except for the southeast and eastern shore (Kartesz 2015). In the wild, four-leaf milkweed grows in open areas such as roadsides, and pastures that have some disturbance. Growing from 1 to 3 feet tall, the flowers range from white to pink in color and bloom from April to July.

In your Virginia butterfly garden, this milkweed prefers places where it can enjoy full sun or part-shade and dry rocky soils and is hardy in zones 5-8.

Plant of four-leaf milkweed (Asclepias quadrifolia) in a wooded area.
Four-leaf Milkweed with Lavender Flowers — User:Halpaugh, CC BY-SA 3.0, via Wikimedia Commons
Pinkish flowers of four-leaf milkweed (Asclepias quadrifolia).
Four-leaf Milkweed with whitish-pink flowers — User:Halpaugh, CC BY-SA 3.0, via Wikimedia Commons
Plant of four-leaf milkweed (Asclepias quadrifolia) with white flowers.
Four-leaf Milkweed (Asclepias quadrifolia) in a Wooded Area — Eric Hunt, CC BY-SA 4.0, via Wikimedia Commons

8. Red Milkweed (Asclepias rubra), a Milkweed for Moist to Wet Soils

Red Milkweed (Asclepias rubra): Red milkweed is native and rare in eastern Virginia, except for the eastern shore (Kartesz 2015). In the wild, red milkweed grows in wet open areas such as bogs, meadows, and pine barrens. Growing from 1 to 3 feet tall, flowers range from pink, purple, red to lavender, and bloom from May to August.

In your Virginia butterfly garden, this milkweed prefers places where it can enjoy full sun or part-shade and wet organic soils. It is hardy in zones 6-9.

Red flowers of red milkweed (Asclepias rubra).
Flowers of Red Milkweed (Asclepias rubra) — peganum from Small Dole, England, CC BY-SA 2.0, via Wikimedia Commons
Plant of red milkweed (Asclepias rubra) at the edge of woods.
Plants of Red Milkweed (Asclepias rubra) — peganum from Henfield, England, CC BY-SA 2.0, via Wikimedia Commons
Plant of red milkweed (Asclepias rubra).
Plant of Red Milkweed — “Asclepias rubra” by lauramorganclark is licensed under CC BY 4.0.

9. Common Milkweed (Asclepias syriaca), a Milkweed for all Soils

Common Milkweed (Asclepias syriaca): Common milkweed is native throughout Virginia (Kartesz 2015). In the wild, common milkweed grows in open areas such as fields, pastures, and roadsides, where it can receive full sun. Growing up to 6 feet tall, it is a tall milkweed having flowers ranging from pink, greenish-purple, greenish-white, to white, and bloom from June to August.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-9 and requires full sun to part-shade and any type of soil. As the name implies, this is one of the most common and important milkweed species for the Monarch butterfly. Seeds of common milkweed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Flowers of Common Milkweed (Asclepias syriaca), a North Carolina milkweed.
Pink Flowers of Common Milkweed in McMullen House Garden — Robert Coxe, Image
Plant of common milkweed (Asclepias syriaca) with pink flowers.
Common Milkweed (Asclepias syriaca) in a wooded area — Cbaile19, CC0, via Wikimedia Commons
Common milkweed (Asclepias syriaca) with eastern tiger swallowtail.
Eastern Tiger Swallowtail on Common Milkweed — Author Image

10. Butterfly Weed (Asclepias tuberosa), a Milkweed for all Soils

Butterfly Weed (Asclepias tuberosa): Butterfly weed is one of the most common for butterfly gardeners on the east coast of the United States. In Virginia, subspecies rolfsii and tuberosa occur. The former is rare and located in one county in the southeastern part of the state. The latter is present throughout the state. In the wild, this milkweed grows in open areas with full sun such as fields, roadsides, and open woods. Growing from 1 to 3 feet tall, it has characteristically orange flowers that bloom throughout the summer and sometimes into the autumn.

In your Virginia butterfly garden, this milkweed is hardy from zones 3-9 and requires full sun in any type of soil condition. This is one of two milkweeds in North America, that does not have a milky sap. Seeds of butterfly weed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Orange flowers of butterfly weed (Asclepias tuberosa).
Butterfly Weed with Orange Flowers — Robert Coxe, Image
Monarch butterfly on butterfly weed (Asclepias tuberosa).
Butterfly Weed with Monarch Butterfly — Laura Perlick, U.S. Fish and Wildlife Service, Public domain, via Wikimedia Commons
Follicles of butterfly weed showing seeds.
Butterfly Weed Follicle — User:SB_Johnny, CC BY-SA 3.0, via Wikimedia Commons

11. Red-ring Milkweed (Asclepias variegata), a Milkweed for Dry Sandy Soils

Red-Ring Milkweed (Asclepias variegata): Red-ring milkweed is native throughout Virginia (Kartesz 2015). In the wild, red-ring milkweed grows in open disturbed areas such as thickets and roadsides. Growing 1 to 4 feet tall, it has white colored flowers with a ring of purple to red that bloom from May to July.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-9 and prefers part-sun to light-shade and dry sandy or rocky soils. Seeds of red-ring milkweed can be purchased in the McMullen House Bed & Breakfast Garden Shop.

Close-up of white flowers of red ring milkweed (Asclepias variegata).
Red-ring Milkweed with White Flowers — Masebrock, Public domain, via Wikimedia Commons
Plant of red ring milkweed (Asclepias variegata) in a wooded area.
Red-ring Milkweed in a Wooded Area — “Asclepias variegata” by coatlicue is marked with CC0 1.0.
White flower clusters of red ring milkweed (Asclepias variegata).
Close-up of White Flowers — “Asclepias variegata” by coatlicue is marked with CC0 1.0.

12. Whorled Milkweed (Asclepias verticillata), a Milkweed for Medium to Dry Soil

Whorled Milkweed (Asclepias verticillata): Whorled milkweed is native throughout Virginia, but is scattered in the southeast counties (Kartesz 2015). In the wild, whorled milkweed grows in open areas such as meadows and fields, where it can take advantage of full sun. Growing from 1 to 3 feet tall, it has green to white flowers that bloom from May to September.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-9 and requires full sun to part-shade with medium to dry soil. Seeds of whorled milkweed can be purchased at the McMullen House Bed & Breakfast Garden Shop.

Close-up of white flowers of whorled milkweed (Asclepias verticillata).
White Flowers of Whorled Milkweed — Joshua Mayer (wackybadger), CC BY-SA 2.0, via Wikimedia Commons
Leaves of whorled milkweed (Asclepias verticillata).
Leaves and Stem of Whorled Milkweed (Asclepias verticillata) — Frank Mayfield (gmayfield10), CC BY-SA 2.0, via Wikimedia Commons
White flowers of whorled milkweed (Asclepias verticillata) in an open area.
Whorled Milkwed with White Flowers — Mason Brock (Masebrock), Public domain, via Wikimedia Commons

13. Green Comet Milkweed (Asclepias viridiflora), a Milkweed for Medium to Dry Sandy Soils

Green Comet Milkweed (Asclepias viridiflora): Green comet milkweed is native throughout Virginia, except for the eastern shore (Kartesz 2015). In the wild, green comet milkweed grows in open areas such as meadows and fields, where there is full sun. Growing up to 3 feet tall, the flowers, which bloom from June to August, begin as a green color but age to become yellow with a purple tinge.

In your Virginia butterfly garden, this milkweed is hardy in zones 3-9 and requires full sun to part-shade with medium to dry sandy soil. Seeds of green comet milkweed can be purchased at the McMullen House Bed & Breakfast Garden Shop.

Green flower cluster of green comet milkweed (Asclepias viridiflora).
Green Comet Milkweed (Asclepias viridiflora) with yellowish-green flowers — Patrick Alexander from Las Cruces, NM, CC0 1.0, via Wikimedia Commons
Plant of green comet milkweed (Asclepias viridiflora).
Green Comet Milkweed in a Field — Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, via Wikimedia Commons
Leaves of green comet milkweed (Asclepias viridiflora).
Green Comet Milkweed Leaves — Patrick Alexander from Las Cruces, NM, CC0 1.0, via Wikimedia Commons

When selecting your Virginia milkweed, be sure to make sure that it grows in your zone and habitat.

References for Virginia Milkweeds

  • Kartesz, J.T. The Biota of North America Program (BONAP). 2015. Taxonomic Data Center. Link to website. Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)]

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