# spreading dogbane (*Apocynum androsaemifolium*)

Spreading dogbane is a lovely plant with pretty flowers that attract butterflies. It grows in sunny places and can spread out wide, making it a great addition to gardens.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Snaps:** 8
- **Habitat:** Grasslands

![spreading dogbane](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/SpreadingDogbane.JPG&width=800)

Photo: Emily S. Kloosterman, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:SpreadingDogbane.JPG)

## Appearance

The spreading dogbane has slender, reddish stems and oval leaves. Its small, bell-shaped flowers are typically pinkish-white, often with darker stripes inside. It usually grows in bushy clumps.

## Taxonomy

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

## Interesting facts

- It's a cousin to milkweed, but without the famous monarch butterfly connection!
- Its scientific name means 'away dog,' a nod to its poisonous history!
- Its strong fibers were once used by Native Americans to weave twine and fishing nets!
- Some tiny caterpillars can eat its toxic leaves without getting sick!

## Special abilities

- **Sticky Trap Nectar:** Spreading dogbane has tiny sticky pads inside its flowers that can briefly trap small insects, ensuring good pollination.
- **Poisonous Protection:** This plant creates a milky, toxic sap to deter hungry animals, making it unappetizing to most herbivores.
- **Underground Spreader:** Spreading dogbane can grow deep underground roots and rhizomes, allowing it to quickly form large, dense patches.

## Measurements & details

- **Height:** 30-100 cm
- **Spread:** 30-90 cm
- **Flower Size:** 0.5-1 cm
- **Bloom Season:** Late spring to mid-summer
- **Edible:** No
- **Toxicity:** High
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Honey Bee (*Apis mellifera*) — visits flowers for nectar
- **Pollinates:** Common Eastern Bumblebee (*Bombus impatiens*) — gathers nectar and pollen from blooms
- **Pollinates:** Syrphid Fly (*Ceriana abbreviata*) — mimics a wasp and visits flowers

## Traits

- [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Ornamental](https://www.snappit.app/explore/traits/ornamental): Ornamental plants are cultivated primarily for their aesthetic appeal, enhancing landscapes and gardens with their attractive foliage, flowers, or form.
- [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.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [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.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.

## Collections

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

## Safety

**Danger:** 2/5 · Low

Don't eat any part of the plant, as it can be harmful.

## Frequently Asked Questions

### How to identify spreading dogbane?

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 spreading dogbane?

30-100 cm

### How wide does spreading dogbane spread?

30-90 cm

### How big are the flowers on spreading dogbane?

0.5-1 cm

### When does spreading dogbane bloom?

Late spring to mid-summer

### Is spreading dogbane edible?

No

### Is spreading dogbane toxic?

High

### What is spreading dogbane's lifecycle?

Perennial

## Where to spot

- [Ames Nowell State Park](https://www.snappit.app/guides/places/ames-nowell-state-park) — Massachusetts, US · State Park
- [Minnesota Landscape Arboretum](https://www.snappit.app/guides/places/minnesota-landscape-arboretum) — Minnesota, US · Botanical Garden
- [Stevens-Coolidge House and Gardens](https://www.snappit.app/guides/places/stevens-coolidge-house-and-gardens) — Massachusetts, US · Botanical Garden
- [Bromley Rock Provincial Park](https://www.snappit.app/guides/places/bromley-rock-provincial-park) — British Columbia, CA · State Park
- [Mehatl Creek Provincial Park](https://www.snappit.app/guides/places/mehatl-creek-provincial-park) — British Columbia, CA · State Park
- [Valhalla Provincial Park](https://www.snappit.app/guides/places/valhalla-provincial-park) — British Columbia, CA · State Park

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

## 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: [Spreading Dogbane: Facts & Places to See — Snappit](https://www.snappit.app/explore/spreading-dogbane)
