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LeafLookup

Century Plant

Agave americana

Also known as: Century Plant, American Aloe, Maguey

Asparagaceae

Pet Safe

Last reviewed: June 2026 · Source: ASPCA Animal Poison Control

Century Plant

Bold architectural succulent with stiff, spined leaves. Grows slowly but becomes a dramatic focal point.

Toxicity

Toxic to catsSafe
Toxic to dogsSafe
Toxic to humansSafe

Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.

Care Guide

Care levelEasy
WateringLow — drought tolerant
Watering frequencyEvery 21–30 days
SunlightDirect sun

Pot Size

Recommended pot8″ – 16″

Frequently Asked Questions

Is Century Plant toxic to cats?

No, Century Plant is not toxic to cats and is considered pet-safe according to the ASPCA. It is generally safe to keep in homes with cats.

Is Century Plant toxic to dogs?

No, Century Plant is not toxic to dogs. It is listed as non-toxic by the ASPCA and is safe to have around dogs.

How often should I water Century Plant?

Water Century Plant every 21–30 days. Allow the soil to dry out completely between waterings — this plant is drought-tolerant and prone to root rot if overwatered.

How much light does Century Plant need?

Century Plant thrives in direct sunlight, ideally a south- or west-facing window. It is forgiving and adapts to a range of light conditions.

What size pot does Century Plant need?

Use a pot between 8″ and 16″ in diameter. When repotting, choose a pot only 1–2″ larger than the current one — too much space retains excess moisture and can lead to root rot.

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