King of Air Plants
Tillandsia xerographica
Also known as: King of Air Plants, Xero Air Plant, Grey Air Plant
Bromeliaceae
Last reviewed: June 2026 · Source: ASPCA Animal Poison Control

The king of air plants — large rosette with wide silvery-grey leaves that curl at the tips. No soil needed.
Toxicity
Source: ASPCA Animal Poison Control Center. Always consult a veterinarian if your pet ingests any plant.
Care Guide
Pot Size
Frequently Asked Questions
Is King of Air Plants toxic to cats?↓
No, King of Air Plants 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 King of Air Plants toxic to dogs?↓
No, King of Air Plants 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 King of Air Plants?↓
Water King of Air Plants every 7–14 days. Water when the top inch of soil feels dry to the touch.
How much light does King of Air Plants need?↓
King of Air Plants thrives in bright indirect light, such as near a window with filtered sunlight. It is forgiving and adapts to a range of light conditions.
What size pot does King of Air Plants need?↓
Use a pot between 4″ and 8″ 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.