Rhododendron adamsii, called Sagan Dalya or Sagaan dali, is a small subarctic and subalpine shrub from Siberia and the Russian Far East, prized for its herbal tea use. Give it cool conditions, moist well-drained acidic soil, and shelter from strong sun.
Family
Ericaceae (Heather family)
Grows as
Shrub
Light
Part shade
Water
Keep soil evenly moist and never waterlogged; use rainwater or soft water.
Soil
Acidic, humus-rich, well-drained soil or ericaceous potting mix.
Temperature
10–20 °C; very cold-hardy, tolerating well below freezing in winter.
How easy
Moderate
Safety
Toxic: Contains cannabigerol-related acids; the wider Rhododendron genus is known to contain grayanotoxins, so avoid ingesting any part.. Toxic to cats and dogs (ASPCA).
Native range
Siberia to Russian Far East
Climate
subalpine or subarctic
About
Rhododendron adamsii is a flowering plant species in the genus Rhododendron.
The plant has been cultivated in the Moscow Botanical Garden of Academy of Sciences since 1964. In the Buryat language R. adamsii is known as sagaan dali (сагаан дали) and is used to prepare a certain kind of herbal tea.
Safety
R. adamsii contains cannabigerorcynic acid and cannabigerorcynic acid methylester which are structurally related to Cannabigerol and Cannabichromene.
Where it grows
It is found in Eastern Siberia, Yakutia, Transbaikalia and Mongolia. In the Russian Far East it is found on the coast of the Sea of Okhotsk, on the Schmidt Peninsula of Sakhalin, as well as in the upper reaches of the Selemdzha and Bureya rivers.
Text excerpted from the Wikipedia article Rhododendron adamsii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.