Sign in Start free
Species library › Echinocereus › Echinocereus poselgeri
Succulents Well documented

Echinocereus poselgeri

The dahlia cactus of south Texas and northeast Mexico: pencil-thin stems that clamber through thorny shrubs, arising from a cluster of large tuberous roots. Grow it hot and bright with a dry winter, and water the tubers carefully.

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 in the ground

Where it grows wild

Tamaulipan thornscrub on sandy or gravelly soils, where the slender stems grow up through the shelter of shrubs; most records are from the lowland Rio Grande plains.

Recorded at 67–1841 m, median 652 m; most sites are below 200 m.

TexasCoahuilaNuevo LeónTamaulipasSan Luis Potosí

🔒 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 Echinocereus poselgeri? 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 Echinocereus

Echinocereus reichenbachii Echinocereus triglochidiatus Echinocereus engelmannii Echinocereus chisoensis Echinocereus dasyacanthus Echinocereus fendleri Echinocereus arizonicus Echinocereus coccineus Echinocereus enneacanthus Echinocereus pectinatus Echinocereus pentalophus Echinocereus rigidissimus All 87 →

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.