Tillandsia caerulea is part of the Bromeliaceae family and its native range is Ecuador to NW. Peru where it grows as an epiphyte primarily in the wet tropical biome.
It is often called the fragrant air plant due to it's distinctively aromatic, usually blue or purple flowers. This Tillandsia species forms small groupings of narrow, silvery-green leaves and produces short flower stems from which delicate, tubular blooms emerge, releasing a sweet fragrance.
The genus name Tillandsia honours Elias Tillandz, a Swedish physician and botanist. Caerulea is a Latin word meaning "dark blue," referring to the typical colour of its flowers.
Light: Tillandsia caerulea thrives in bright conditions where the light is not direct. Strong, direct midday sunlight can damage its leaves. Insufficient light may result in slower growth and reduced flowering. A spot near a bright window with filtered light in a typical UK home is ideal.
Water: This air plant absorbs moisture and nutrients through its leaves. It needs regular hydration. This can be achieved by thoroughly misting it several times a week, or by submerging the entire plant in room temperature water for 15-20 minutes once or twice a week, depending on the dryness of your home. After either method, ensure the plant drains completely and becomes fully dry within a few hours to prevent rot. Good air circulation is vital for drying.
Soil: Tillandsia caerulea does not require soil. It grows naturally on other plants or surfaces for support.
Fertilising: This plant benefits from occasional feeding. Use a very diluted liquid fertiliser made for bromeliads or orchids, applying it as a mist or by adding it to the soaking water, approximately once a month during the active growing season (spring and summer).
Temperature: This plant prefers moderate temperatures, ideally between 15°C and 30°C (59°F and 86°F). It is not tolerant of frost and must be protected from temperatures below 10°C (50°F), which can occur in UK homes during colder months.
Humidity: Tillandsia caerulea appreciates moderate to high humidity levels. While it can adapt to typical indoor humidity in the UK, especially with consistent watering, increased humidity can encourage lusher growth. Good airflow is particularly important to prevent rot in humid conditions.
Growth Habit: It typically forms small groupings or rosettes of slender leaves. It is an epiphyte and is usually displayed mounted on wood, cork, or simply placed on decorative objects.
Toxicity: Tillandsia caerulea is generally considered safe for people and animals.