# Michaux’s Milkweed (Asclepias michauxii)

> A slender pine-flatwoods milkweed of the coastal plain with very narrow leaves and small dusky pink-green flowers, dependent on regular fire to keep its habitat open.

Source: https://milkweedusa.com/species/michauxs-milkweed/  
Licence: CC BY 4.0 (Milkweed USA)

## Summary

A slender pine-flatwoods milkweed of the coastal plain with very narrow leaves and small dusky pink-green flowers, dependent on regular fire to keep its habitat open.

## Key facts

| Field | Value |
| --- | --- |
| Scientific name | Asclepias michauxii Decne. |
| Genus | Asclepias |
| Family | Apocynaceae |
| Common names | Michaux’s Milkweed, Southern Milkweed |
| Status | Native |
| Height | 8 in–1.7 ft |
| Spread | 8 in–1.3 ft |
| Flower color | pink, green |
| Bloom period | April to July |
| Light | Full sun |
| Soil moisture | Dry, Average |
| USDA zones | 7-10 |
| Leaf arrangement | opposite |
| Leaf shape | threadlike |
| Sap | Milky latex |
| Root system | Deep taproot, resents transplanting |
| Seed stratification | 30 days cold-moist |
| Monarch value (0-5) | 2 |
| Garden value (0-5) | 2 |
| Nectar value (0-5) | 2 |
| US states recorded | Alabama, Florida, Georgia, North Carolina, South Carolina |

## Identification

- Narrow, almost grass-like opposite leaves on a short upright stem.
- Small flowers in a loose terminal cluster, dull pink over green.
- Found in frequently burned pine flatwoods and savanna.

## Ecology

A fire-dependent species that declines quickly where prescribed burning stops.

## Growing

Rarely cultivated.

## Cautions

Standard milkweed cautions.

## References

- Plants of the World Online: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:94453-1
- GBIF: https://www.gbif.org/species/3170238
- iNaturalist: https://www.inaturalist.org/taxa/158750
- Wikipedia: https://en.wikipedia.org/wiki/Asclepias_michauxii
- BONAP county map: https://bonap.net/MapGallery/County/Asclepias%20michauxii.png
- NatureServe: https://explorer.natureserve.org/Search?searchTerm=Asclepias%20michauxii

## Photographs

- Asclepias michauxii in flower (Kim, CC BY 4.0): https://commons.wikimedia.org/wiki/File:Asclepias_michauxii_in_flower.jpg
- Michaux’s Milkweed photographed in SW Forest Road 180, Bristol, FL, US (Public domain (CC0), CC0): https://www.inaturalist.org/observations/351433539
- Michaux’s Milkweed photographed in Covington County, AL, USA (Brian Finzel, CC BY-SA 4.0): https://www.inaturalist.org/observations/195444580
- Michaux’s Milkweed photographed in Jackson County, MS, USA (Lauren McLaurin, CC BY 4.0): https://www.inaturalist.org/observations/25280425
- Michaux’s Milkweed photographed in Liberty County, GA, USA (Celeste Ray, CC BY 4.0): https://www.inaturalist.org/observations/37779422
- Michaux’s Milkweed photographed in Liberty County, FL, USA (James (Jim) Duggan, CC BY-SA 4.0): https://www.inaturalist.org/observations/160666766
- Michaux’s Milkweed photographed in Cape San Blas, FL 32456, USA (Scott Allen Davis, CC BY 4.0): https://www.inaturalist.org/observations/208842498
- Michaux’s Milkweed photographed in Brooklyn, MS 39425, USA (Shawn Harris, CC BY 4.0): https://www.inaturalist.org/observations/214102492

## How to cite

Milkweed USA. (2026). Michaux’s Milkweed (Asclepias michauxii). https://milkweedusa.com/species/michauxs-milkweed/