Cleistocactus hyalacanthus

A shrubby, branching columnar cactus to about 1 m with glassy white radial spines and red to purplish-pink, hummingbird-pollinated tubular flowers. It grows in dry Andean woodland of northwestern Argentina and southern Bolivia at 1,700–3,100 m, with a warm wet summer and a cold, bone-dry winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Dry montane woodland and scrub on rocky slopes of the eastern Andes.

Literature gives 1,700–3,100 m; climate sites lie at 1,900–2,700 m.

ArgentinaSaltaJujuyBolivia

🔒 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

Grow Cleistocactus hyalacanthus? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

Start free Sign in

More Cleistocactus

Cleistocactus strausii Cleistocactus baumannii Cleistocactus samaipatanus Cleistocactus smaragdiflorus Cleistocactus winteri Cleistocactus buchtienii Cleistocactus colademononis Cleistocactus crassicaulis Cleistocactus morawetzianus Cleistocactus parviflorus Cleistocactus tominensis Cleistocactus brookeae All 26 →

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 2.0 licence, unmodified.