Ezina · A Field Manual for Plant Care · United States Vol. I · Ed. 2027 · Proof copy

§ Toxic plants · Asparagaceae · Checked Oct 2026

Is Sprenger's asparagus toxic to cats and dogs?

Yes. Sprenger's asparagus (Asparagus densiflorus) is toxic to cats and dogs, according to the ASPCA Animal Poison Control Center. Plant Smart rates its effects Moderate, level 2 of 4.

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Sprenger's asparagus (Asparagus densiflorus)
Photo: Traumrune, CC BY-SA 3.0, via Wikimedia Commons

§ 010 · Signs

What to watch for

Signs include skin irritation, vomiting, belly pain and diarrhea. Signs can start within hours; some take a day or more to show.

§ 020 · If it happened

What to do if your pet ate it

Call your vet or a pet poison hotline straight away, even if your pet seems fine: the ASPCA Animal Poison Control Center, (888) 426-4435, or Pet Poison Helpline, (855) 764-7661. Both are open 24 hours and charge a fee. Have the plant or a photo of it to hand, and don’t make your pet vomit unless a vet tells you to.

§ 030 · Same family

Other Asparagaceae plants toxic to pets

Sprenger's asparagus belongs to the Asparagaceae family. ASPCA lists these relatives too.

§ 040 · Questions

Questions about Sprenger's asparagus and pets

Is Sprenger's asparagus toxic to cats?

Yes. ASPCA lists Sprenger's asparagus as toxic to cats.

Is Sprenger's asparagus toxic to dogs?

Yes. ASPCA lists Sprenger's asparagus as toxic to dogs.

What happens if my pet eats Sprenger's asparagus?

Signs include skin irritation, vomiting, belly pain and diarrhea. Plant Smart rates it Moderate, level 2 of 4.

What should I do if my pet ate it?

Call your vet or a pet poison hotline right away, even before signs appear: the ASPCA Animal Poison Control Center at (888) 426-4435, or Pet Poison Helpline at (855) 764-7661. Both charge a fee. Have the plant, or a photo of it, to hand.

What else is Sprenger's asparagus called?

Sprenger's asparagus is also sold or known as emerald feather.

Changes

5 Oct 2026: page drafted.

Sources

ASPCA Animal Poison Control Center: Toxic and Non-Toxic Plant List.

Plant Smart: Plant Smart: plants toxic to pets.

Photo: Traumrune, CC BY-SA 3.0, via Wikimedia Commons, source.

Checked Oct 2026.