(Picture = white-flowered form of Tillandsia ionantha)
Introduction
Tillandsias are epiphytic bromeliads that live on trees or sometimes rocks, mostly in tropical and subtropical areas. They absorb water and nutrients through specialized leaf scales (trichomes) from rain, fog, and dust trapped among their leaves. Although they do not store much water like many succulents, they are remarkably drought resistant—able to dry down for weeks, then rehydrate and resume growth when moisture returns. In culture, they are called air plants and are popular for their compact shapes and bright bloom colors.
The Details
Tillandsia ionantha is widespread from southern Mexico into Central America. Like other tillandsias, it uses roots mainly to anchor to bark, twigs, or rock; water uptake happens through the leaves. The species is inexpensive, tolerant of household conditions, and easy with casual care. Numerous forms and cultivars exist—green, variegated, and red-leaved selections among them—and the plant often blushes red at flowering before producing tubular blooms and then offsets (“pups”) that form clumps over time.
For display, plants can be suspended by wire, glued to inert mounts such as shells or driftwood, or set in decorative holders—no potting mix needed. For watering, give a thorough soak every week or two, then ensure good air movement so plants dry within a few hours; light misting between soakings helps in hot weather. Use bright, filtered light—an east window is ideal—and protect from prolonged, intense midday sun in west or south exposures. Tap water works in many homes, but rain or low-mineral water is preferred where tap water is very hard.
Additional Reading: Genetic Variation in Tillandsia
