Field ManualAll plants

Photo: jkiscycling, via Wikimedia CommonsLicense: CC BY 2.0

Water avens

Geum rivale

Pet & Human Safety

People: No hazard foundPets: Not on the ASPCA lists as we read them
Hazardous parts
Not yet checked.
Preparation
Not applicable; this is an ornamental plant.
Hazard type
Not yet checked.
Hazard route
none named by our sources
How complete this information is
The safety information on this page is partial. Where a source covers a point, it is shown; where none does, the page says so.
Toxic to pets
No ASPCA entry found.

Neither ASPCA nor NC State lists a pet-safety verdict for this plant. Not listed means no verdict was found, not that it's safe. Keep pets from eating it and call a vet or the ASPCA Poison Control line if a pet seems unwell.

PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.

Poison control

If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.

Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.

Naturalist Lore

Historical Background & Breeding Lore

The history of this plant and its name, and how it was bred, where we have them.

Get the app: coming soon

Care

Hardiness zones

USDA zones 3 to 7 (Chicago Botanic Garden, an archived page last updated before February 2022).

Light

Full sun to partial shade (Chicago Botanic Garden); dappled shade is best but it tolerates full sun if the soil stays moderately moist (Memorial University Botanical Garden, for woodland avens).

Water needs

high

Mature size

18 to 28 inches tall (Chicago Botanic Garden).

Where it comes from

Native to both North America and Eurasia; in New York found in wetlands, especially calcium-rich ones (Finger Lakes Native Plant Society). Europe and North America populations differ (Memorial University Botanical Garden).

Soil & Drainage
Pruning & Flush Rhythm
Feeding Schedule

How to prepare the soil, when and what to feed, and how and when to prune where that applies.

Get the app: coming soon

Anatomy & Guilds

Botanical Anatomy & Characteristics

How the flowers and leaves are built and which pollinators visit, where we have them.

Get the app: coming soon

Field Doctor

Field Doctor

What can go wrong with this plant and what to do about it, where we have them.

Get the app: coming soon

Vintage Plates

Vintage Plates

Old botanical drawings from public libraries are in the app, for plants where we have them.

Get the app: coming soon

Sources

  1. Chicago Botanic Garden, Geum rivale
  2. Memorial University of Newfoundland Botanical Garden, Ornamental Avens (genus Geum)
  3. Finger Lakes Native Plant Society, Geum rivale
  4. Kew World Checklist of Vascular Plants (WCVP) name file, dated 2026-06-04

How we choose sources

Wishlists live in the app

Wishlists are part of the Plot & Petal app, which is coming soon. Nothing is added to a wishlist from this page.

Get the app: coming soon