Phedimus aizoon

A hardy, upright stonecrop from Siberia, Mongolia, northern China, Korea and Japan, with toothed fleshy leaves and flat heads of yellow flowers in summer. It needs a real winter: the stems die back to a woody crown and resprout in spring, so it belongs outdoors or in a cold frame, not on a warm windowsill.

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

Grows on rocky and grassy slopes, forest edges, steppe and open stony ground across a cold continental climate, usually in full or near-full sun.

Recorded at 400–2365 m, median about 1000 m; in the far north it also occurs much lower.

Siberia and the Russian Far EastMongoliaNorthern and central ChinaKoreaJapanKazakhstan

🔒 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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More Phedimus

Phedimus spurius Phedimus kamtschaticus Phedimus ellacombeanus Phedimus selskianus Phedimus daeamensis Phedimus stellatus

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 4.0 licence, unmodified.