The following map gives an approximation of where the Hosta species grow naturally. If you want more detailed maps, please refer to pages 308 to 315 in The Genus HOSTA by W. George Schmid (1991),.


When W. George Schmid created the map shown here in 1991, there were 43 accepted hosta species. In 2010, Schmid decided that H. sieboldiana was actually not a species found in the wilds so it was reclassified as a cultivar, H. 'Sieboldiana'. This change was then accepted by The American Hosta Society. So, the location for #34 on the map is incorrect.

  1. H. aequinoctiiantha
  2. H. alismifolia
  3. H. atropurpurea
  4. H. calliantha
  5. H. capitata
  6. H. cathayana
  7. H. clausa
  8. H. clavata
  9. H. crassifolia
  10. H. densa
  11. H. fluctuans
  12. H. gracillima
  13. H. hypoleuca
  14. H. ibukiensis
  15. H. jonesii
  1. H. kikutii
  2. H. kiyosumiensis
  3. H. laevigata
  4. H. longipes
  5. H. longissima
  6. H. minor
  7. H. montana
  8. H. nakaiana
  9. H. nigrescens
  10. H. okamotoi
  11. H. pachyscapa
  12. H. plantaginea
  13. H. pulchella
  14. H. pycnophylia
  15. H. rectifolia
  1. H. rohdeifolia f viridis
  2. H. rupifraga
  3. H. shikokiana
  4. H. sieboldiana (now H. 'Sieboldiana')
  5. H. sieboldii
  6. H. takahashii
  7. H. takiensis
  8. H. tardiva
  9. H. tibae
  10. H. tsushimensis
  11. H. ventricosa
  12. H. venusta
  13. H. yingeri


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