Euphorbia columnaris

A columnar succulent spurge from northern Somalia, described by Bally in 1964. It is a hot, dry-country plant that wants full sun, warm nights and very little water outside its two short rainy seasons. It is rare in cultivation and should be grown like other Horn of Africa succulent Euphorbia.

At home, aim for

Day Warm-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

The single georeferenced record is from the dry interior plateau of northern Somalia at about 730 m. Plants there grow on open stony or rocky ground among sparse scrub. Habitat details for this species are thin, so this is based on the region.

About 730 m at the one recorded site.

Somalia

🔒 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 3.0 licence, unmodified.