Money Plant
Epipremnum aureum
low lightpet cautionToxic to pets
SPECIMEN NO. 104
Native toTropical and subtropical America
Pet safe
Air Plant
Tillandsia spp.
Also known as: Tillandsia
A soil-free epiphytic plant that absorbs water and nutrients through specialized leaf structures called trichomes rather than roots. Grown mounted, in bowls, or as standalone display pieces. Care can vary among species and cultivars; this guide provides general guidance for commonly cultivated indoor varieties.
5–7dwatering range
bright indirectlight needs
15–27°Ctemperature
Watering amount
How much water does my Air Plant need?
Estimated guideline, not a precise measurement — scale up for larger pots, brighter light, or active growth; scale down for smaller pots, lower light, or winter dormancy. Always water until it drains from the pot's base rather than measuring exactly. Use soil moisture and plant condition as the primary guide; the ml value is only a rough estimate.
Watering guide
Season note
Soak in room-temperature water for 20-30 minutes once a week (or mist 1-2 times weekly for xeric/fuzzy-leaved varieties); always shake off excess water and let dry fully to prevent rot.
Overwatering signs
Browning, softening leaves, base rot from trapped water
Underwatering signs
Tightly curling or wrinkled leaves
Light & placement
Light level
bright indirect
Best rooms
Care details
Soil
None needed — grown without soil, mounted or displayed freely
Humidity
Benefits from higher humidity; mist between soakings in dry climates
Fertilizer
Diluted bromeliad or air plant fertilizer occasionally, mixed into soak water
Temperature range
15°C – 27°C
Plant care guide
Air plant, encompassing the genus Tillandsia, includes an enormous number of species — commonly cited at around 600 to 650 — native to tropical and subtropical America, with species occurring from the southern United States and Mexico through Central and South America. The genus belongs to the bromeliad family, Bromeliaceae, and represents one of the most structurally unusual groups of plants commonly kept as houseplants, since Tillandsia species grow as epiphytes — and occasionally lithophytes on bare rock, or in a smaller number of desert-adapted species, aerophytes rooted loosely in shifting sand — without any need for soil whatsoever. In the wild, air plants attach themselves to tree branches, rock faces, and other surfaces using minimal root systems that primarily provide anchorage rather than serving as the plant's primary means of absorbing water and nutrients, a genuinely unusual botanical arrangement that sets Tillandsia apart from the great majority of other houseplants, whose roots serve both structural and nutritional purposes simultaneously.
The mechanism that makes this soil-free existence possible is the plant's leaves themselves, covered in tiny, specialized scale-like structures called trichomes, which absorb water and dissolved nutrients directly from humid air, rainfall, and airborne organic particles. These trichomes are responsible for the silvery, sometimes fuzzy or almost frosted appearance of many Tillandsia species' foliage, and their efficiency at pulling moisture from even fairly dry air has drawn genuine scientific interest beyond ornamental horticulture, inspiring biomimetic research into water-harvesting technology modeled on the same basic mechanism. Air plant species are broadly grouped into two informal categories based on their native habitat and corresponding trichome density: green species, generally originating from cooler, shadier, more consistently humid forest-floor environments and requiring somewhat more frequent watering, and gray species, adapted to drier, higher-light conditions and tolerant of less frequent watering, distinguishable by their noticeably fuzzier, more heavily trichome-covered leaf surface. Species range considerably in overall size and form: some, like the widely grown Tillandsia usneoides, better known as Spanish moss, grow as long, thread-like, hanging strands, quite different in appearance from the more compact, rosette-shaped species like Tillandsia ionantha and Tillandsia xerographica most commonly sold as individual potted-style air plants, illustrating just how visually varied a single genus can be once its full range of roughly 600 species is taken into account.
Toxicity
Pets: Non-toxic to pets
Humans: Non-toxic to humans
Tillandsia species are generally regarded as non-toxic to common household pets in widely used plant-safety references; toxicity can vary by species, so avoid treating a genus-level guide as a guarantee for every Tillandsia. No documented toxic principle affecting humans either.
Frequently asked questions
Is Air Plant safe for cats and dogs?+
Yes, Tillandsia is non-toxic to pets, making it a safe choice even for curious cats and dogs.
How do you water an air plant if it has no soil?+
Soak it in room-temperature water for 20-30 minutes about once a week, then shake off excess water and let it dry fully before placing it back on display.
Why is my air plant's base turning brown and mushy?+
This usually means it stayed too wet — water trapped at the base causes rot. Always shake off excess water after soaking and let it dry upside down.
What are air plants called botanically, and what is an aerophyte?+
Air plants belong to the genus Tillandsia. "Aerophyte" is the general botanical term for any plant that grows without soil, absorbing water and nutrients through its leaves instead of roots — Tillandsia is the most commonly grown example sold as a houseplant.
How big do air plants get?+
It varies enormously by species — some Tillandsia stay under 5cm across their whole life, while others, like Tillandsia xerographica, can spread to 60cm or more. Most of the small, rounded air plants sold as houseplants stay compact, in the 5–15cm range.
What are the fuzzy hairs on an air plant for?+
Those silvery hairs are called trichomes, and they're how the plant absorbs water and nutrients directly from humidity and rainfall in the air, since it has no functional roots for that job. Species from drier habitats tend to have denser, fuzzier trichomes than those from humid rainforests.
What temperature range do air plants tolerate?+
Most thrive between 10–29°C (50–85°F) and are comfortable at normal indoor room temperature. They're sensitive to frost and shouldn't be left below about 4°C (40°F).
Are air plants really low-maintenance?+
Relative to soil-grown houseplants, yes — no pot, no soil, no repotting. But they aren't zero-effort: they need a weekly soak (or regular misting) and good airflow to dry afterward, and skipping that is the most common way they're lost to rot or dehydration.
