# hemp agrimony (*Eupatorium cannabinum*)

Hemp agrimony is a tall plant with pretty pink flowers that bloom in summer. It loves to grow near water and is often found in wetlands and along riverbanks.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** Wetlands

![hemp agrimony](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Eupatorium_cannabinum.jpg&width=800)

Photo: Burkhard Mücke, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Eupatorium_cannabinum.jpg)

## Appearance

The hemp agrimony has upright, reddish-purple stems crowned with dense, flat-topped clusters of fluffy, pinkish-purple flowers. Its leaves are deeply divided into three to five serrated leaflets, giving them a distinctive, hand-like appearance.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Asterales
- **Family:** Asteraceae
- **Genus:** Eupatorium

## Interesting facts

- Despite its name, hemp agrimony is not related to true hemp, just similar-looking leaves!
- Hemp agrimony flowers attract so many butterflies, it's like a buzzing insect cafe!
- Its scientific name, Eupatorium, honors an ancient king who was fascinated by plants!
- This plant is sometimes called 'Holy Rope' due to its long history in traditional medicine!

## Special abilities

- **Pollinator Party Host:** Hemp agrimony's nectar-rich flowers attract swarms of butterflies and bees, helping other plants pollinate too.
- **Wetland Wonder:** Hemp agrimony can thrive in damp, waterlogged soils, allowing it to grow where many other plants would struggle.
- **Herbal Helper (Historical):** Historically, hemp agrimony had a reputation as a medicinal plant, used in traditional remedies for various ailments.

## Measurements & details

- **Height:** 50-150 cm
- **Spread:** 30-70 cm
- **Flower Size:** 0.3-0.5 cm
- **Bloom Season:** Summer to early autumn
- **Edible:** No
- **Toxicity:** Mild
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** European Peacock (*Aglais io*) — Provides nectar for adult butterflies
- **Pollinates:** Western Honey Bee (*Apis mellifera*) — A valuable nectar source for bees
- **Eaten by:** Grey Pug moth (*Eupithecia subfuscata*) — Its caterpillars feed on the flowers

## Traits

- [Aromatic](https://www.snappit.app/explore/traits/aromatic): Aromatic plants produce and emit fragrant volatile organic compounds, often for defense or to attract pollinators.
- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Cluster Flower](https://www.snappit.app/explore/traits/cluster-flower): Cluster flowers are inflorescences where individual flowers are arranged closely together on a common stem.
- [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.
- [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.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [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.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always look but don't touch plants unless an adult says it's safe.

## Frequently Asked Questions

### How to identify hemp agrimony?

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 hemp agrimony?

50-150 cm

### How wide does hemp agrimony spread?

30-70 cm

### How big are the flowers on hemp agrimony?

0.3-0.5 cm

### When does hemp agrimony bloom?

Summer to early autumn

### Is hemp agrimony edible?

No

### Is hemp agrimony toxic?

Mild

### What is hemp agrimony's lifecycle?

Perennial

## 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: [Hemp Agrimony: Facts & Places to See — Snappit](https://www.snappit.app/explore/hemp-agrimony)