Species library › Tillandsia › Tillandsia harrisii
Other Well documented

Tillandsia harrisii

A silvery, densely scaled Tillandsia endemic to Guatemala. It is found in the seasonally dry country around the Motagua valley and the flanks of the Sierra de las Minas, and in the highlands near Antigua. It is listed on CITES Appendix II and common in cultivation, where it wants bright light, strong air movement and a thorough drying between waterings.

Tillandsia harrisii
Photo: James Ho, CC BY-SA 2.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on trees (epiphyte)

Where it grows wild

Herbarium collections come from Zacapa (a riverbank at Teculután at 500 m, and La Marmolera in the Sierra de las Minas at about 1700 m) and from Ciudad Vieja, Sacatepéquez, at about 1500 m. These are seasonally dry forest and scrub areas where the plant grows attached to trees or rock. The heavy covering of silver trichomes is typical of Tillandsias that take strong light and long dry spells.

Wild specimens were collected at about 500 to 1725 m. Several other specimens come from nurseries.

Guatemala

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 2.0 licence, unmodified.