# swamp milkweed (*Asclepias incarnata*)

Swamp milkweed is a pretty flower that grows in wet areas. Its pink blooms attract butterflies and bees, making it a favorite in gardens and nature spots.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 17
- **Habitat:** Wetlands
- **Also known as:** Pink milkweed, Rose milkweed

![swamp milkweed](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Swamp_Milkweed_%28Asclepias_incarnata%29_-_Guelph%252C_Ontario.jpg&width=800)

Photo: Ryan Hodnett, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Swamp_Milkweed_%28Asclepias_incarnata%29_-_Guelph%252C_Ontario.jpg)

## Appearance

The swamp milkweed has sturdy, upright stems topped with dense clusters of small, star-shaped flowers. Its blooms range from vibrant pink to rose-purple, contrasting with bright green lance-shaped leaves. It visually stands out with its striking color in wet environments.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Gentianales
- **Family:** Apocynaceae
- **Genus:** Asclepias

## Interesting facts

- Its scientific name, \*incarnata\*, means "flesh-colored," describing its lovely pink blooms.
- Monarch butterflies \*only\* lay their eggs on milkweed plants, making them super important!
- Native Americans once used milkweed fibers for strong ropes and nets, and its roots for medicine.
- Some clever insects eat its toxic sap and then use the poisons to defend themselves!

## Special abilities

- **Sticky Sap Shield:** Swamp milkweed has a milky, toxic sap that oozes out when damaged, protecting it from most hungry animals.
- **Water Lover:** Swamp milkweed can thrive with its roots in very wet, soggy soil where most other plants would struggle to survive.
- **Seed Surfer:** Its seeds grow fluffy, silky parachutes that catch the wind, allowing them to travel far and wide.

## Measurements & details

- **Height:** 60-150 cm
- **Spread:** 30-60 cm
- **Flower Size:** 0.5-1 cm
- **Bloom Season:** Summer
- **Edible:** No
- **Toxicity:** Moderate
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Eaten by:** [Monarch butterfly](https://www.snappit.app/explore/monarch-butterfly) (*Danaus plexippus*) — Its caterpillars exclusively feed on swamp milkweed leaves.
- **Pollinates:** Common eastern bumblebee (*Bombus impatiens*) — Bumblebees visit the nectar-rich flowers for a sugary snack.
- **Pollinates:** European honey bee (*Apis mellifera*) — Honey bees gather both nectar and pollen from its many blooms.
- **Eaten by:** [Large milkweed bug](https://www.snappit.app/explore/large-milkweed-bug) (*Oncopeltus fasciatus*) — This bug feeds on the sap and developing seeds of the plant.

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
- [Fragrant Flower](https://www.snappit.app/explore/traits/fragrant-flower): Fragrant flowers emit a pleasant aroma, often to attract pollinators or for defense.
- [Medicinal](https://www.snappit.app/explore/traits/medicinal): Medicinal plants possess chemical compounds that can be used for therapeutic purposes to treat illnesses or maintain health.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

While swamp milkweed is beautiful, it's best to enjoy it from a distance and not touch it too much.

## Frequently Asked Questions

### How to identify swamp milkweed?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is swamp milkweed?

60-150 cm

### How wide does swamp milkweed spread?

30-60 cm

### How big are the flowers on swamp milkweed?

0.5-1 cm

### When does swamp milkweed bloom?

Summer

### Is swamp milkweed edible?

No

### Is swamp milkweed toxic?

Moderate

### What is swamp milkweed's lifecycle?

Perennial

## Where to spot

- [Anderson Japanese Gardens](https://www.snappit.app/guides/places/anderson-japanese-gardens) — Illinois, US · Botanical Garden
- [Bear Meadows Natural Area](https://www.snappit.app/guides/places/bear-meadows-natural-area) — Pennsylvania, US · Nature Reserve
- [Fox Chase Farm](https://www.snappit.app/guides/places/fox-chase-farm) — Pennsylvania, US · Historic Site
- [Guilford Historic Town Center](https://www.snappit.app/guides/places/guilford-historic-town-center) — Connecticut, US · Historic District
- [Laughing Brook Wildlife Sanctuary](https://www.snappit.app/guides/places/laughing-brook-wildlife-sanctuary) — Massachusetts, US · Nature Reserve
- [Miami Whitewater Forest](https://www.snappit.app/guides/places/miami-whitewater-forest) — Ohio, US · Park

[View all places to see swamp milkweed](https://www.snappit.app/guides/where-to-see/swamp-milkweed)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Swamp Milkweed: Facts & Places to See — Snappit](https://www.snappit.app/explore/swamp-milkweed)
