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Species library › Agave › Agave havardiana
Succulents Well documented

Agave havardiana

A compact, blue-grey rosette agave of the Big Bend region of Texas and adjacent Chihuahua and Coahuila, and one of the most cold-hardy agaves in cultivation. It wants full sun, sharp drainage, a dry cold winter and summer monsoon rain.

Agave havardiana
Photo: Daderot, Public domain, via Wikimedia Commons
At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets 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

Grassy to rocky slopes and open woodland edges in the Chihuahuan Desert mountains, in full sun on well-drained rocky ground.

Reported at 1,200–2,000 m; the measured sites sit at 1,500–1,900 m.

TexasChihuahuaCoahuila

🔒 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 Public domain licence, unmodified.