# Largeflower Milkweed (Asclepias connivens)

> A wet pine savanna milkweed with unusually large, pale green, cup-shaped flowers whose hoods lean inward and meet over the center, a structure found nowhere else in the genus.

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

## Summary

A wet pine savanna milkweed with unusually large, pale green, cup-shaped flowers whose hoods lean inward and meet over the center, a structure found nowhere else in the genus.

## Key facts

| Field | Value |
| --- | --- |
| Scientific name | Asclepias connivens Baldwin |
| Genus | Asclepias |
| Family | Apocynaceae |
| Common names | Largeflower Milkweed, Largeflower Green Milkweed |
| Status | Native |
| Height | 1 ft–2.5 ft |
| Spread | 10 in–1.7 ft |
| Flower color | green, white |
| Bloom period | May to August |
| Light | Full sun |
| Soil moisture | Wet, Average |
| USDA zones | 8-10 |
| Leaf arrangement | opposite |
| Leaf shape | oblong |
| 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

- Flowers noticeably large for a green milkweed, with hoods converging over the top.
- Few flowers per cluster, giving an open, sculptural look.
- Restricted to wet pine flatwoods and savanna on the coastal plain.

## Ecology

A specialist of intact, regularly burned wet savanna, an increasingly rare habitat.

## Growing

Not in general cultivation.

## Cautions

Standard milkweed cautions.

## References

- Plants of the World Online: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:94179-1
- GBIF: https://www.gbif.org/species/7947055
- iNaturalist: https://www.inaturalist.org/taxa/158735
- Wikipedia: https://en.wikipedia.org/wiki/Asclepias_connivens
- BONAP county map: https://bonap.net/MapGallery/County/Asclepias%20connivens.png
- NatureServe: https://explorer.natureserve.org/Search?searchTerm=Asclepias%20connivens

## Photographs

- Largeflower Milkweed photographed in Franklin County, US-FL, US (Jay Horn, CC BY 4.0): https://www.inaturalist.org/observations/26299840
- Largeflower Milkweed photographed in Florida, US (Public domain (CC0), CC0): https://www.inaturalist.org/observations/311122756
- Largeflower Milkweed photographed in Apalachicola National Forest, Bristol, FL, US (Jason K., CC BY 4.0): https://www.inaturalist.org/observations/91073547
- Largeflower Milkweed photographed in Liberty County, FL, USA (Jody Shugart, CC BY 4.0): https://www.inaturalist.org/observations/222353397
- Largeflower Milkweed photographed in Florida, US (evangrimes, CC BY 4.0): https://www.inaturalist.org/observations/121688679
- Largeflower Milkweed photographed in the wild (Michelle Sevcovas, CC BY 4.0): https://www.inaturalist.org/observations/123444942
- Largeflower Milkweed photographed in Florida, US (Matt Berger, CC BY 4.0): https://www.inaturalist.org/observations/92318699
- Largeflower Milkweed photographed in Apalachicola, FL 32320, USA (Scott Allen Davis, CC BY 4.0): https://www.inaturalist.org/observations/226734995

## How to cite

Milkweed USA. (2026). Largeflower Milkweed (Asclepias connivens). https://milkweedusa.com/species/largeflower-milkweed/