Hylotelephium cyaneum

A low, blue-grey stonecrop from the Russian Far East, from the Sea of Okhotsk coast to Sakhalin and Kamchatka, with pink late-summer flowers. It is fully winter-hardy and does best outdoors in a sunny rock garden or trough with a cool summer and a frozen, dormant winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Grows on rocky slopes, scree, cliffs and gravelly river and sea shores, in open sun with cool, damp summer air. Built from the measured range and general knowledge of the genus.

Recorded from near sea level to 1650 m; most climate sites are coastal and low, though the few elevation samples have a median of 1100 m.

MagadanKhabarovskKamchatkaSakhalinYakutiya

🔒 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 Hylotelephium

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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.