Purple Osier Willow Toxic?

Updated 2026-03-06| 5 min read| 1,613 found this helpful

Salix purpurea

Purple Osier Willow is confirmed non-toxic to cats, dogs, and horses per ASPCA data

Excessive or chronic intake of any plant part may increase bleeding risk for humans and animals

This species may be confused with other Salix genus species that have varying toxicity profiles

FAQ

Is Purple Osier Willow toxic to Humans?

No expected toxicity with normal consumption; excessive or chronic intake may lead to increased bleeding risk (Non-toxic)

Is Purple Osier Willow toxic to Cats?

No reported toxic symptoms with standard exposure; very large excessive intake may cause mild GI upset or increased bleeding tendency (Non-toxic)

Is Purple Osier Willow toxic to Dogs?

No reported toxic symptoms with standard exposure; very large excessive intake may cause mild GI upset or increased bleeding tendency (Non-toxic)

Is Purple Osier Willow toxic to Horses?

No reported toxic symptoms with standard exposure; very large excessive intake may cause mild GI upset or increased bleeding tendency (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No expected toxicity with normal consumption; excessive or chronic intake may lead to increased bleeding risk

Cats

Non-toxic

No reported toxic symptoms with standard exposure; very large excessive intake may cause mild GI upset or increased bleeding tendency

Dogs

Non-toxic

No reported toxic symptoms with standard exposure; very large excessive intake may cause mild GI upset or increased bleeding tendency

Horses

Non-toxic

No reported toxic symptoms with standard exposure; very large excessive intake may cause mild GI upset or increased bleeding tendency

Toxicity Snapshot

Toxic PartsAll parts are non-toxic in normal quantities; excessive or chronic consumption of any part carries bleeding risk

Exposure RouteIngestion is the primary exposure route; no dermal or inhalation toxicity reported

Toxic CompoundsNo toxic compounds identified in standard consumption amounts; naturally occurring salicylates contribute to bleeding risk at very high intake levels

First Aid & Prevention

First 30 Minutes

• If excessive ingestion is observed, rinse mouth with clean water to remove remaining plant material
• Monitor for unusual bleeding, bruising, or gastrointestinal distress for 24 hours post-exposure
• Offer small sips of water to prevent dehydration if mild stomach upset occurs

Contact Vet Immediately

• If your pet shows signs of unusual bleeding, bruising, persistent vomiting or diarrhea after ingesting large quantities
• If your pet has a pre-existing bleeding disorder or is on anticoagulant medication prior to exposure
• If your pet consumed a very large amount of plant material and shows signs of distress

Prevention

• Avoid allowing pets or livestock to consume large, unsupervised amounts of this willow species over long periods
• Clearly label willow species in gardens or pastures to avoid confusion with potentially toxic related species
• Keep pets with pre-existing bleeding conditions away from large quantities of willow foliage

Treatment & Prognosis

• No specific treatment is required for small, accidental exposures
• Supportive care including gastrointestinal protectants may be administered for mild upset from large intake
• Medical management including coagulation monitoring may be needed for animals with pre-existing bleeding risks post-exposure

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Professional Toxicology

Scientific NameSalix purpurea

AliasesPurpur-Weide (German)、Osier rouge (French)、Saule pourpre (French)、Salice rosso (Italian)

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No specific organ damage reported at normal intake; high salicylate levels may affect blood coagulation pathways and gastrointestinal mucosa in extreme cases

Mechanism of Action

• No toxic mechanism at normal intake levels; high levels of naturally occurring salicylates may inhibit platelet function leading to increased bleeding risk with excessive chronic use

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Ruminants (cattle, sheep, goats): No reported toxicity with normal foraging; excessive chronic intake may carry mild bleeding risk similar to horses

Small mammals (rabbits, guinea pigs): Small amounts of foliage are safe as part of a varied diet; large intakes may cause gastrointestinal upset or increased bleeding tendency

Birds: No reported toxicity from occasional consumption of small amounts of twigs or foliage; large quantities are not recommended

Confusion Risk

The following plants look similar and may be confused:

Other willow species Salix spp.

Visually similar to other members of the Salix genus, some of which have higher salicylate content leading to greater toxicity risk at lower intake levels. Purple Osier Willow is distinguished by its thin, purple-tinged young twigs.

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Related Toxic Plants

Black Willow

Salix nigra

Low to Moderate toxicity (high salicylate content can cause bleeding and gastrointestinal distress with excessive intake)

White Willow

Salix alba

Low toxicity (high salicylate content in bark may cause adverse effects if consumed in large quantities long-term)

Quaking Aspen

Populus tremuloides

Low toxicity (contains salicylates and phenolic compounds that can cause gastrointestinal upset and bleeding risk in large doses)

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Data Sources

1. ASPCA Animal Poison Control

2. CliniTox (Universität Zürich)

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.

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