King of Air Plants

Tillandsia xerographica

LightKing of Air Plants needs bright, indirect light measuring…
WaterKing of Air Plants needs a full soak rather than soil…
ToxicityNot ASPCA-listed
Mature sizeIt eventually reaches 12 to 24 inches /…

King of Air Plants forms a broad rosette of curling, silvery-green leaves with an octopus-like shape. It needs no potting soil, so it can become a sculptural display on its own. A mature plant may flower once during its lifetime, producing striking red and purple blooms. It suits growers who want an unusual specimen and can maintain a regular soaking routine.

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Care data checked 25 September 2026 · Dany · A-Z Plants

Light requirements

King of Air Plants needs bright, indirect light measuring 150 to 250 μmol·m⁻²·s⁻¹.

Keep it about 5 ft / 1.5 m from a south, west, or east-facing window.
The rosette should not have a direct view of the sky. Place a sheer curtain between the plant and any unavoidable direct sun.
Excess light can scorch or bleach the silvery leaves. Insufficient light may slow growth and reduce flowering potential.
A PAR meter or PAR meter app can measure photosynthetically active radiation as PPFD (μmol·m⁻²·s⁻¹).

Watering

King of Air Plants needs a full soak rather than soil watering. Submerge the entire rosette in rainwater for 20 to 30 minutes every week from spring to autumn. Mist between these weekly soaks so the leaves do not remain dry for extended periods.

Make sure water reaches the whole plant during each soak.
After soaking, let excess water drain away rather than collect inside the rosette. Water trapped for too long can encourage rot.
Watch the leaves between sessions. Crispy tips or tighter curling can accompany prolonged dryness.
Continue the stated weekly schedule through the active seasons, but avoid keeping the plant constantly wet.

Soil

King of Air Plants does not need soil or a standard plant pot. Display it on driftwood or shells, or place it inside a terrarium. Because there is no root mix, drainage means allowing water to leave the leaves and rosette after soaking. Do not bury its base in dense potting material.

Feeding

Spray King of Air Plants with an organic bromeliad fertiliser every 2 to 4 weeks from March through October. Prepare it at the label rate because no strength is stated. Do not apply it more often, and avoid leaving concentrated fertiliser on the leaves.

Temperature & humidity

Keep King of Air Plants between 65 to 85°F / 18 to 29°C. It prefers humidity from 50 to 70%. These warm, humid conditions support the exposed foliage, but the plant should not remain continuously wet after watering.

What to expect

King of Air Plants takes 3 to 5 years to mature. It eventually reaches 12 to 24 inches / 30 to 60 cm tall and spreads 12 to 18 inches / 30 to 45 cm. Growth is measured rather than fast, followed by one flowering event in its lifetime.

Varieties & cultivars

T. xerographica var. trichophylla: This form resembles the classic plant but carries finer, hair-like leaves.
T. harrisii: A more compact rosette with silvery-white leaves that curl slightly.
T. ionantha ‘ Fuego’: Bright light intensifies the vivid red tips on its green leaves. Its flowers are also red.
T. araujei: The silvery-green leaves are broader and flatter.
T. zaragozae: A smaller rosette made from thin, curly leaves in a vivid green shade.